diff --git a/arkui-plugins/memo-plugins/memo-cache-factory.ts b/arkui-plugins/memo-plugins/memo-cache-factory.ts
index 1ca4234ed596b0ebecb6b28d244b19272ebb1d75..d3d5350e1acc0c4970214ecc0011f8b5003745f6 100644
--- a/arkui-plugins/memo-plugins/memo-cache-factory.ts
+++ b/arkui-plugins/memo-plugins/memo-cache-factory.ts
@@ -175,8 +175,9 @@ export class RewriteFactory {
             expectReturn ??
             arkts.factory.createPrimitiveType(arkts.Es2pandaPrimitiveType.PRIMITIVE_TYPE_VOID);
         const _isVoidReturn = isVoidType(returnType);
+        const _returnType = _isVoidReturn ? arkts.factory.createETSUndefinedType() : returnType;
         const scopeDeclaration = factory.createScopeDeclaration(
-            returnType,
+            _returnType,
             positionalIdTracker.id(_callName),
             declaredParams.length
         );
diff --git a/arkui-plugins/memo-plugins/memo-factory.ts b/arkui-plugins/memo-plugins/memo-factory.ts
index 948fb082ebea21ea33a76a2652465c111505dada..7ca74abbbefd01a4bf8bf77d64752676f6f7e1db 100644
--- a/arkui-plugins/memo-plugins/memo-factory.ts
+++ b/arkui-plugins/memo-plugins/memo-factory.ts
@@ -231,7 +231,7 @@ export class factory {
                         ),
                         returnTypeAnnotation
                             ? [returnTypeAnnotation]
-                            : [arkts.factory.createPrimitiveType(arkts.Es2pandaPrimitiveType.PRIMITIVE_TYPE_VOID)],
+                            : [arkts.factory.createETSUndefinedType()],
                         [factory.createIdArgument(hash), arkts.factory.createNumericLiteral(cnt)]
                     )
                 ),
@@ -357,12 +357,13 @@ export class factory {
         const paramInfos = buildeParamInfos(parameters);
         const gensymParamsCount = fixGensymParams(paramInfos, node);
         const parameterNames = paramInfos.map((it) => it.ident.name);
-        const scopeDeclaration = factory.createScopeDeclaration(returnTypeInfo.node, hash, parameterNames.length);
+        const isVoidValue = !!returnTypeInfo.isVoid;
+        const _returnType = isVoidValue ? arkts.factory.createETSUndefinedType() : returnTypeInfo.node;
+        const scopeDeclaration = factory.createScopeDeclaration(_returnType, hash, parameterNames.length);
         const memoParametersDeclaration = parameterNames.length
             ? factory.createMemoParameterDeclaration(parameterNames)
             : undefined;
         const syntheticReturnStatement = factory.createSyntheticReturnStatement(!!returnTypeInfo.isStableThis);
-        const isVoidValue = !!returnTypeInfo.isVoid;
         const unchangedCheck = factory.createIfStatementWithSyntheticReturnStatement(
             syntheticReturnStatement,
             isVoidValue
diff --git a/arkui-plugins/memo-plugins/utils.ts b/arkui-plugins/memo-plugins/utils.ts
index e3b415e7fa2216438caddbf64d73efd2ed1455d7..36962225d7373190e81cb6e0120ffb99e776bb40 100644
--- a/arkui-plugins/memo-plugins/utils.ts
+++ b/arkui-plugins/memo-plugins/utils.ts
@@ -616,7 +616,7 @@ export function buildReturnTypeInfo(
 ): ReturnTypeInfo {
     const newReturnType = !!returnType
         ? returnType.clone()
-        : arkts.factory.createPrimitiveType(arkts.Es2pandaPrimitiveType.PRIMITIVE_TYPE_VOID);
+        : arkts.factory.createETSUndefinedType();
     return {
         node: newReturnType,
         isMemo,
diff --git a/arkui-plugins/test/demo/mock/memo/functions/internal-memo-arg.ets b/arkui-plugins/test/demo/mock/memo/functions/internal-memo-arg.ets
index 38f146018c0a4ec38b5456efd91e5a647acaf7be..d9868a38e56ff6654b01cfb7a9d7ed93381fb736 100644
--- a/arkui-plugins/test/demo/mock/memo/functions/internal-memo-arg.ets
+++ b/arkui-plugins/test/demo/mock/memo/functions/internal-memo-arg.ets
@@ -55,7 +55,7 @@ export class MemoCallbackContext {
 }
 
 @memo_intrinsic() export function contextLocalScope<Value>(name: string, value: Value, @memo() content: (()=> void)) {
-  const scope = __context().scope<void>(__id(), 1);
+  const scope = __context().scope<undefined>(__id(), 1);
   scope.param<Value>(0, value, undefined, name, true);
   if (scope.unchanged) {
     scope.cached;
@@ -66,7 +66,7 @@ export class MemoCallbackContext {
 }
 
 @memo_intrinsic() export function NodeAttach<Node extends IncrementalNode>(create: (()=> Node), @memo() update: ((node: Node)=> void), reuseKey?: string): void {
-  const scope = __context().scope<void>(__id(), 0, create, undefined, undefined, undefined, reuseKey);
+  const scope = __context().scope<undefined>(__id(), 0, create, undefined, undefined, undefined, reuseKey);
   if (scope.unchanged) {
     scope.cached;
   } else {
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/argument-call.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/argument-call.test.ts
index 1506b9ca1a38bdce1d4197f24956746f45c044be..35340e7bb1975f106cc0b23da76c89f0bf6239c2 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/argument-call.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/argument-call.test.ts
@@ -33,7 +33,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() function memo_arg_call(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg1: number, arg2: ((x: number)=> number), @memo() arg3: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, x: number)=> number), arg4?: ((x: number)=> number), @memo() arg5?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, x: number)=> number)) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 5);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 5);
     const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg2 = __memo_scope.param(1, arg2), __memo_parameter_arg3 = __memo_scope.param(2, arg3), __memo_parameter_arg4 = __memo_scope.param(3, arg4), __memo_parameter_arg5 = __memo_scope.param(4, arg5);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -51,7 +51,7 @@ function main() {}
     }
 }
 @memo() function memo_arg_call_with_lowering(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg1: number, arg4?: ((x: number)=> number), @memo() arg5?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, x: number)=> number)) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 3);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 3);
     const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg4 = __memo_scope.param(1, arg4), __memo_parameter_arg5 = __memo_scope.param(2, arg5);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -80,7 +80,7 @@ function main() {}
         return __memo_scope.recache(20);
     }) as ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> int)));
     let arg3: int = (((gensym%%_<some_random_number>) !== (undefined)) ? gensym%%_<some_random_number> : (arg1 as int));
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 4);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 4);
     const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg2 = __memo_scope.param(1, arg2), __memo_parameter_arg3 = __memo_scope.param(2, arg3), __memo_parameter_arg4 = __memo_scope.param(3, arg4);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/complex-memo-intrinsic.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/complex-memo-intrinsic.test.ts
index ba06b5787d39a952bd0dfaa26076b8baf031861d..30be2371fb169d3416441d3247f7db8d7aac2a9d 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/complex-memo-intrinsic.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/complex-memo-intrinsic.test.ts
@@ -109,13 +109,13 @@ export type SimpleArray<T> = (Array<T> | ReadonlyArray<T> | Readonly<Array<T>>);
 
 class Use {
   @memo() public test(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (228150357)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (228150357)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     const style = @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, attributes: IA<number>) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (237001330)), 1);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (237001330)), 1);
       const __memo_parameter_attributes = __memo_scope.param(0, attributes);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/declare-and-call.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/declare-and-call.test.ts
index b4d2d21c4e4376797b78044103e26192daa60794..14556e0f95504a0ec92e844da217f8a6011a3739 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/declare-and-call.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/declare-and-call.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -43,7 +43,7 @@ function main() {}
     funcA(__memo_context, ((__memo_id) + (<some_random_number>)));
     funcWithMemoBuilder(__memo_context, ((__memo_id) + (<some_random_number>)), {
         builder: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -65,7 +65,7 @@ function main() {}
 });
 @memo() function funcA(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void
 @memo() function funcB(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -77,7 +77,7 @@ function main() {}
     }
 }
 @memo() function funcWithMemoBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() memo_arg: MemoBuilder): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
     const __memo_parameter_memo_arg = __memo_scope.param(0, memo_arg);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -92,7 +92,7 @@ function funcWithArg(arg: (()=> void)): void {}
 function func(): void {}
 class A {
     @memo() public foo(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/inner-functions.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/inner-functions.test.ts
index a73b950b6e13f509ac97580facb00a16306e1f18..de82b995e891aabd1924e53913f7f0cbacea7719 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/inner-functions.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/inner-functions.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() function foo(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -46,13 +46,13 @@ function main() {}
     }
 }
 @memo() function bar(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     const qux = @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -71,14 +71,14 @@ function main() {}
 }
 class A {
     @memo() public goo(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         let func = (() => {});
         let func2 = @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/internal-memo-arg.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/internal-memo-arg.test.ts
index 02fc30648d42839da531deb3fa2280e52eba2436..6e47350f3f883b7703e20e7e9a1e5787555bf68b 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/internal-memo-arg.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/internal-memo-arg.test.ts
@@ -68,7 +68,7 @@ export function __id(): __memo_id_type
 }
 
 @memo_intrinsic() export function contextLocalScope<Value>(__memo_context: __memo_context_type, __memo_id: __memo_id_type, name: string, value: Value, @memo() content: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) {
-  const scope = __memo_context.scope<void>(__memo_id, 1);
+  const scope = __memo_context.scope<undefined>(__memo_id, 1);
   scope.param<Value>(0, value, undefined, name, true);
   if (scope.unchanged) {
     scope.cached;
@@ -79,7 +79,7 @@ export function __id(): __memo_id_type
 }
 
 @memo_intrinsic() export function NodeAttach<Node extends IncrementalNode>(__memo_context: __memo_context_type, __memo_id: __memo_id_type, create: (()=> Node), @memo() update: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, node: Node)=> void), reuseKey?: string): void {
-  const scope = __memo_context.scope<void>(__memo_id, 0, create, undefined, undefined, undefined, reuseKey);
+  const scope = __memo_context.scope<undefined>(__memo_id, 0, create, undefined, undefined, undefined, reuseKey);
   if (scope.unchanged) {
     scope.cached;
   } else {
@@ -88,7 +88,7 @@ export function __id(): __memo_id_type
         update(__memo_context, ((__memo_id) + (6025780)), (__memo_context.node as Node));
       } else {
         memoEntry(__memo_context, 0, ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-          const __memo_scope = __memo_context.scope<void>(((__memo_id) + (31840240)), 0);
+          const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (31840240)), 0);
           if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -111,7 +111,7 @@ export function __id(): __memo_id_type
 }
 
 @memo() export function Repeat(__memo_context: __memo_context_type, __memo_id: __memo_id_type, count: int, @memo() action: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, index: int)=> void)) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (200707415)), 2);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (200707415)), 2);
   const __memo_parameter_count = __memo_scope.param(0, count), __memo_parameter_action = __memo_scope.param(1, action);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
@@ -153,7 +153,7 @@ export class MemoCallbackContext {
 
 export class CustomComponent {
   @memo() public static _instantiateImpl(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (214802466)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (214802466)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/type-reference.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/type-reference.test.ts
index eca62211fc62871f30dcbfc225feb97dc0c82677..087741dd47bdf6baadd581ae44d64f983ddd77c5 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/type-reference.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/type-reference.test.ts
@@ -41,7 +41,7 @@ function main() {}
         return __memo_scope.cached;
     }
     return __memo_scope.recache(((__memo_context: __memo_context_type, __memo_id: __memo_id_type, item: Item<T>): void => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_item = __memo_scope.param(0, item);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -63,13 +63,13 @@ interface Attribute<T> {
 }
 class B {
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         A<string>(__memo_context, ((__memo_id) + (<some_random_number>))).each(__memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, ri: Item<string>) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
             const __memo_parameter_ri = __memo_scope.param(0, ri);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/function-declarations/void-return-type.test.ts b/arkui-plugins/test/ut/memo-plugins/function-declarations/void-return-type.test.ts
index fd2f3cb8885fe73b2a58e68377b065d63ca14a04..728004ce886f2626fc08855ce0f90035cd7bcbbe 100644
--- a/arkui-plugins/test/ut/memo-plugins/function-declarations/void-return-type.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/function-declarations/void-return-type.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() function func(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
diff --git a/arkui-plugins/test/ut/memo-plugins/lambda-literals/argument-call.test.ts b/arkui-plugins/test/ut/memo-plugins/lambda-literals/argument-call.test.ts
index 18b3a26e3c2fdeeca0190011d9eb903b497f1a4b..3319ddde63d71432b2689f6492eb8e04e63cdddb 100644
--- a/arkui-plugins/test/ut/memo-plugins/lambda-literals/argument-call.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/lambda-literals/argument-call.test.ts
@@ -35,7 +35,7 @@ function main() {}
 ((arg: (()=> void)) => {})((() => {}));
 
 ((arg: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) => {})(@memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -48,7 +48,7 @@ function main() {}
 
 ((gensym%%_1?: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) => {
     let arg: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) = (((gensym%%_1) !== (undefined)) ? gensym%%_1 : (((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (201676739)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (201676739)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -59,7 +59,7 @@ function main() {}
     }
     }) as @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)));
 })(@memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (209782503)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (209782503)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -71,14 +71,14 @@ function main() {}
 }));
 
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, gensym%%_<some_random_number>?: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) => {
         let arg: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) = (((gensym%%_<some_random_number>) !== (undefined)) ? gensym%%_<some_random_number> : (((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -88,7 +88,7 @@ function main() {}
                 return;
             }
         }) as @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)));
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -99,7 +99,7 @@ function main() {}
             return;
         }
     })(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -116,14 +116,14 @@ function main() {}
 });
 
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     let goo = @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, gensym%%_<some_random_number>?: string) => {
         let name: string = (((gensym%%_<some_random_number>) !== (undefined)) ? gensym%%_<some_random_number> : (\"old\" as string));
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_name = __memo_scope.param(0, name);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -144,7 +144,7 @@ function main() {}
 (() => {
     let foo = ((gensym%%_<some_random_number>?: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) => {
         let arg: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) = (((gensym%%_<some_random_number>) !== (undefined)) ? gensym%%_<some_random_number> : (((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -156,7 +156,7 @@ function main() {}
         }) as @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)));
     });
     foo(@memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/lambda-literals/function-with-receiver.test.ts b/arkui-plugins/test/ut/memo-plugins/lambda-literals/function-with-receiver.test.ts
index 60d5c5985a778d9007d1fda091eeccd099ccc8d8..c66c18648fbcb69a0d6266a19d172d5139740b81 100644
--- a/arkui-plugins/test/ut/memo-plugins/lambda-literals/function-with-receiver.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/lambda-literals/function-with-receiver.test.ts
@@ -44,7 +44,7 @@ import { memo as memo } from "arkui.stateManagement.runtime";
 function main() {}
 
 @memo() function foo1(this: B, __memo_context: __memo_context_type, __memo_id: __memo_id_type, str: string): void {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (38567515)), 2);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (38567515)), 2);
   const __memo_parameter_this = __memo_scope.param(0, this), __memo_parameter_str = __memo_scope.param(1, str);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/lambda-literals/trailing-lambdas.test.ts b/arkui-plugins/test/ut/memo-plugins/lambda-literals/trailing-lambdas.test.ts
index b2465acc7af6249c504a615323acf7e4e6e429a0..13a973259e78365cef4d1ec6ddc69f46641a2b0f 100644
--- a/arkui-plugins/test/ut/memo-plugins/lambda-literals/trailing-lambdas.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/lambda-literals/trailing-lambdas.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -45,7 +45,7 @@ function main() {}
         console.log();
     }));
     a.goo(((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -57,7 +57,7 @@ function main() {}
         }
     }));
     a.koo(__memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -72,7 +72,7 @@ function main() {}
         console.log();
     }));
     par(((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -84,7 +84,7 @@ function main() {}
         }
     }));
     kar(__memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -101,7 +101,7 @@ function main() {}
     }
 });
 @memo() function bar(__memo_context: __memo_context_type, __memo_id: __memo_id_type, f?: (()=> void)): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
     const __memo_parameter_f = __memo_scope.param(0, f);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -114,7 +114,7 @@ function main() {}
 }
 function par(f?: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {}
 @memo() function kar(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() f?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
     const __memo_parameter_f = __memo_scope.param(0, f);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -127,7 +127,7 @@ function par(f?: @memo() ((__memo_context: __memo_context_type, __memo_id: __mem
 }
 class A {
     @memo() public foo(__memo_context: __memo_context_type, __memo_id: __memo_id_type, p?: (()=> void)): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_p = __memo_scope.param(0, p);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -140,7 +140,7 @@ class A {
     }
     public goo(@memo() p?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {}
     @memo() public koo(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() p?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_p = __memo_scope.param(0, p);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/lambda-literals/void-lambda.test.ts b/arkui-plugins/test/ut/memo-plugins/lambda-literals/void-lambda.test.ts
index 37b1c13655ec89a611c7d49d6fc1f13b28810d15..eff93d6fd213c8e9cb9e5b164cb9a30ac6944d56 100644
--- a/arkui-plugins/test/ut/memo-plugins/lambda-literals/void-lambda.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/lambda-literals/void-lambda.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -46,7 +46,7 @@ function main() {}
     }
 });
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg?: (()=> string)): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
     const __memo_parameter_arg = __memo_scope.param(0, arg);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/lambda-literals/with-receiver.test.ts b/arkui-plugins/test/ut/memo-plugins/lambda-literals/with-receiver.test.ts
index 748b1dd4b520b4881721b271ec8c6fedc6884833..e031f864d87d5a37d3f26c3857d3703b1cc1c500 100644
--- a/arkui-plugins/test/ut/memo-plugins/lambda-literals/with-receiver.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/lambda-literals/with-receiver.test.ts
@@ -37,14 +37,14 @@ import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     let x = new Person();
     fullName(x, __memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -58,7 +58,7 @@ function main() {}
     let f2: F2 = goo;
     let a = new A();
     f1(a, __memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -69,7 +69,7 @@ function main() {}
         }
     }));
     f1(a, __memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -80,7 +80,7 @@ function main() {}
         }
     }));
     f2(__memo_context, ((__memo_id) + (<some_random_number>)), a, ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -97,7 +97,7 @@ function main() {}
 });
 
 @memo() function fullName(this: Person, __memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() arg?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_this = __memo_scope.param(0, this), __memo_parameter_arg = __memo_scope.param(1, arg);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -110,7 +110,7 @@ function main() {}
 }
 
 @memo() function foo(this: A, __memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() arg?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_this = __memo_scope.param(0, this), __memo_parameter_arg = __memo_scope.param(1, arg);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -123,7 +123,7 @@ function main() {}
 }
 
 @memo() function goo(__memo_context: __memo_context_type, __memo_id: __memo_id_type, a: A, @memo() arg?: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)): void {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_a = __memo_scope.param(0, a), __memo_parameter_arg = __memo_scope.param(1, arg);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/argument-call.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/argument-call.test.ts
index f56a4c7cf0253c6502ce49436f73e8021dcd995b..4815096bdd3056cebefbbe3a28fa7057e6fcae2c 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/argument-call.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/argument-call.test.ts
@@ -34,7 +34,7 @@ import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 class Test {
     @memo() public lambda_arg(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() arg: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -46,7 +46,7 @@ class Test {
         }
     }
     @memo() public lambda_arg_with_arg(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() arg: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string)=> string)) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -58,7 +58,7 @@ class Test {
         }
     }
     @memo() public memo_content(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() content: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void)) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_content = __memo_scope.param(0, content);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -71,7 +71,7 @@ class Test {
         }
     }
     @memo() public compute_test(__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() arg1: (((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) | undefined), arg2: ((()=> void) | undefined), content: ((()=> void) | undefined)): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 3);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 3);
         const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg2 = __memo_scope.param(1, arg2), __memo_parameter_content = __memo_scope.param(2, content);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -86,14 +86,14 @@ class Test {
 }
 class Use {
     @memo() public test(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         const test = new Test();
         test.lambda_arg(__memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type): void => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -112,7 +112,7 @@ class Use {
             return __memo_scope.recache(__memo_parameter_value.value);
         }));
         test.compute_test(__memo_context, ((__memo_id) + (<some_random_number>)), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/callable.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/callable.test.ts
index c611a8e99dcd1ac328a65bc6a48a66103cc53a5a..7ba7e61fc92563adebcf0b8f86d16af6e3033811 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/callable.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/callable.test.ts
@@ -33,14 +33,14 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     A.$_invoke(__memo_context, ((__memo_id) + (<some_random_number>)));
     B.$_invoke(((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -63,7 +63,7 @@ function main() {}
 });
 class A {
     @memo() public static $_invoke(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/declare-and-call.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/declare-and-call.test.ts
index d1e6012ea7cdde4b5b9293f6336e1a4abfd535f4..a32b01e5ea78f91635f51f2747c631f4a62187d5 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/declare-and-call.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/declare-and-call.test.ts
@@ -35,7 +35,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -55,7 +55,7 @@ declare abstract class A {
 }
 class AA extends A {
     @memo() public x(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/internal-calls.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/internal-calls.test.ts
index caf2b1b9fc3addf9a3e03f33f6be9cb5b60fe728..916420a9bcf9f5295faac8d758cf8fd588fc1ad9 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/internal-calls.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/internal-calls.test.ts
@@ -41,7 +41,7 @@ export function __id(): __memo_id_type
 type MemoType = @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void);
 class Test {
     @memo() public void_method(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -52,7 +52,7 @@ class Test {
         }
     }
     @memo() public internal_call(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -64,7 +64,7 @@ class Test {
         }
     }
     @memo() public method_with_internals(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -78,7 +78,7 @@ class Test {
     }
     public memo_lambda() {
         @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -90,7 +90,7 @@ class Test {
         });
     }
     @memo() public memo_variables(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -130,7 +130,7 @@ class Test {
             return 20;
         }) as (()=> int)));
         let arg3: int = (((gensym%%_3) !== (undefined)) ? gensym%%_3 : (arg1 as int));
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 4);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 4);
         const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg2 = __memo_scope.param(1, arg2), __memo_parameter_arg3 = __memo_scope.param(2, arg3), __memo_parameter_arg4 = __memo_scope.param(3, arg4);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -144,7 +144,7 @@ class Test {
         }
     }
     @memo() public optional_args(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg1?: int, arg2?: (()=> int)) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
         const __memo_parameter_arg1 = __memo_scope.param(0, arg1), __memo_parameter_arg2 = __memo_scope.param(1, arg2);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -160,7 +160,7 @@ class Test {
         }
     }
     @memo() public type_alias(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg: MemoType) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/non-void-method.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/non-void-method.test.ts
index 8957ca871ad3e5e0da09ea031a439130286396e6..9551067c720bbefc39a1f22c72272f42b3efd8f2 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/non-void-method.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/non-void-method.test.ts
@@ -43,7 +43,7 @@ export function __id(): __memo_id_type
 @Retention({policy:"SOURCE"}) @interface memo_skip {}
 class Test {
     @memo() public void_method(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -103,7 +103,7 @@ class Test {
 }
 class Use {
     @memo() public test(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/method-declarations/void-method.test.ts b/arkui-plugins/test/ut/memo-plugins/method-declarations/void-method.test.ts
index 41e73d5bb6563d50dc70a623b274578e99c570a5..43eb6ebe5659a045504b90bcc1d6f75d0280d1a6 100644
--- a/arkui-plugins/test/ut/memo-plugins/method-declarations/void-method.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/method-declarations/void-method.test.ts
@@ -41,7 +41,7 @@ class A {
 }
 class Test {
     @memo() public void_method(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -52,7 +52,7 @@ class Test {
         }
     }
     @memo() public a_method_with_implicit_return_type(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -63,7 +63,7 @@ class Test {
         }
     }
     @memo() public void_method_with_arg(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg: string) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -75,7 +75,7 @@ class Test {
         }
     }
     @memo() public void_method_with_return(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg: string) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -87,7 +87,7 @@ class Test {
         }
     }
     @memo() public static static_method_with_type_parameter<T>(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg: T): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -99,7 +99,7 @@ class Test {
         }
     }
     @memo() public obj_arg(__memo_context: __memo_context_type, __memo_id: __memo_id_type, arg: A) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_arg = __memo_scope.param(0, arg);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -114,7 +114,7 @@ class Test {
 }
 class Use {
     @memo() public test(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/property-declarations/class-constructor.test.ts b/arkui-plugins/test/ut/memo-plugins/property-declarations/class-constructor.test.ts
index b3be707bacd797ed55de8322d0854c2c26cf204d..eb0970255b5c5088f9161849effc7bd075c0945f 100644
--- a/arkui-plugins/test/ut/memo-plugins/property-declarations/class-constructor.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/property-declarations/class-constructor.test.ts
@@ -35,14 +35,14 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     let a = new AA({
         a: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -72,7 +72,7 @@ class AA {
         (((gensym%%_<some_random_number>) == (null)) ? undefined : gensym%%_<some_random_number>.a)});
     }
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/property-declarations/class-properties.test.ts b/arkui-plugins/test/ut/memo-plugins/property-declarations/class-properties.test.ts
index 1a97511af702bcfdf1e613dbc950f2081d37d235..d2b8f2940583679001289f29f9cf50ebcc834b27 100644
--- a/arkui-plugins/test/ut/memo-plugins/property-declarations/class-properties.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/property-declarations/class-properties.test.ts
@@ -39,7 +39,7 @@ class A {
     @memo() public memo_arg: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void);
     @memo() public memo_optional_arg?: (((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) | undefined);
     @memo() public memo_union_arg: (((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) | undefined) = ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -53,7 +53,7 @@ class A {
     public constructor() {
         this.arg = (() => {});
         this.memo_arg = ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -64,7 +64,7 @@ class A {
             }
         });
         this.arg_memo_type = ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -76,7 +76,7 @@ class A {
         });
     }
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/memo-plugins/property-declarations/interfaces.test.ts b/arkui-plugins/test/ut/memo-plugins/property-declarations/interfaces.test.ts
index a28664fde2474320eb0656d51a88c3ef73b1cb8c..4aa135095e3d027cd6a2df65d995685ba3ff2a52 100644
--- a/arkui-plugins/test/ut/memo-plugins/property-declarations/interfaces.test.ts
+++ b/arkui-plugins/test/ut/memo-plugins/property-declarations/interfaces.test.ts
@@ -33,7 +33,7 @@ import { __memo_context_type as __memo_context_type, __memo_id_type as __memo_id
 import { memo as memo } from \"arkui.stateManagement.runtime\";
 function main() {}
 @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -41,7 +41,7 @@ function main() {}
     let a: A = {
         arg: (() => {}),
         memo_arg: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -52,7 +52,7 @@ function main() {}
             }
         }),
         memo_union_arg: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -63,7 +63,7 @@ function main() {}
             }
         }),
         arg_memo_type: ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
diff --git a/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-break-in-nested-content.test.ts b/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-break-in-nested-content.test.ts
index 5c6a393ff785fb0decc0cc4b7c0124415517c00a..4bd49b883d930f50345c84dd70e10fd667d15ed4 100644
--- a/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-break-in-nested-content.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-break-in-nested-content.test.ts
@@ -98,44 +98,44 @@ function main() {}
     public __initializeStruct(initializers: (__Options_A | undefined), @memo() content: (((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) | undefined)): void {}
     public __updateStruct(initializers: (__Options_A | undefined)): void {}
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
             }
             Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
                     return;
                 }
                 Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                     if (__memo_scope.unchanged) {
                         __memo_scope.cached;
                         return;
                     }
                     Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                         if (__memo_scope.unchanged) {
                             __memo_scope.cached;
                             return;
                         }
                         ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
                             }
                             if (false) {
                                 ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                     if (__memo_scope.unchanged) {
                                         __memo_scope.cached;
                                         return;
@@ -170,14 +170,14 @@ function main() {}
                 }
             }));
             ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
                     return;
                 }
                 if (true) {
                     ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                         if (__memo_scope.unchanged) {
                             __memo_scope.cached;
                             return;
diff --git a/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-else-in-content.test.ts b/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-else-in-content.test.ts
index bf60c883dd8fd4b874144b98fc072a61e768fea4..f86006d9f2b662281b7afec1af90ed5af50ea04c 100644
--- a/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-else-in-content.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/builder-lambda/if-else-in-content.test.ts
@@ -113,39 +113,39 @@ function main() {}
     public __initializeStruct(initializers: (__Options_IfElse | undefined), @memo() content: (((__memo_context: __memo_context_type, __memo_id: __memo_id_type)=> void) | undefined)): void {}
     public __updateStruct(initializers: (__Options_IfElse | undefined)): void {}
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
             }
             ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
                     return;
                 }
                 if (true) {
                     ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                         if (__memo_scope.unchanged) {
                             __memo_scope.cached;
                             return;
                         }
                         ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
                             }
                             if (false) {
                                 ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                     if (__memo_scope.unchanged) {
                                         __memo_scope.cached;
                                         return;
@@ -158,14 +158,14 @@ function main() {}
                                 }));
                             } else {
                                 ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                     if (__memo_scope.unchanged) {
                                         __memo_scope.cached;
                                         return;
                                     }
                                     if (true) {
                                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                             if (__memo_scope.unchanged) {
                                                 __memo_scope.cached;
                                                 return;
@@ -178,7 +178,7 @@ function main() {}
                                         }));
                                     } else {
                                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                             if (__memo_scope.unchanged) {
                                                 __memo_scope.cached;
                                                 return;
@@ -208,14 +208,14 @@ function main() {}
                     }));
                 } else {
                     ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                         if (__memo_scope.unchanged) {
                             __memo_scope.cached;
                             return;
                         }
                         if (false) {
                             ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                 if (__memo_scope.unchanged) {
                                     __memo_scope.cached;
                                     return;
@@ -228,7 +228,7 @@ function main() {}
                             }));
                         } else {
                             ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                                     if (__memo_scope.unchanged) {
                                     __memo_scope.cached;
                                     return;
diff --git a/arkui-plugins/test/ut/ui-plugins/builder-lambda/simple-component.test.ts b/arkui-plugins/test/ut/ui-plugins/builder-lambda/simple-component.test.ts
index e8e1ace16621ce77238c023b35f9aec5457e3673..57c3e242cd99814cae4c0cc682ccbf45fed6c9cc 100644
--- a/arkui-plugins/test/ut/ui-plugins/builder-lambda/simple-component.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/builder-lambda/simple-component.test.ts
@@ -55,13 +55,13 @@ import { Column as Column, ColumnAttribute as ColumnAttribute } from \"arkui.com
 function main() {}
 class MyStateSample {
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (263357132)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (263357132)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Column(__memo_context, ((__memo_id) + (65509320)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (147296800)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (147296800)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
diff --git a/arkui-plugins/test/ut/ui-plugins/builder-lambda/switch-case-in-content.test.ts b/arkui-plugins/test/ut/ui-plugins/builder-lambda/switch-case-in-content.test.ts
index 9559e935a6c74a53cc54fe160748a28160a664ad..d3a09a7c314a749b89a394934383bbba267a0fa6 100644
--- a/arkui-plugins/test/ut/ui-plugins/builder-lambda/switch-case-in-content.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/builder-lambda/switch-case-in-content.test.ts
@@ -124,19 +124,19 @@ function main() {}
         this.__backing_num = value;
     }
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Column(__memo_context, ((__memo_id) + (<some_random_number>)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
             }
             ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
                     return;
@@ -144,7 +144,7 @@ function main() {}
                 switch (this.num) {
                     case \"0\": {
                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
@@ -158,7 +158,7 @@ function main() {}
                     }
                     case \"1\": {
                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
@@ -174,7 +174,7 @@ function main() {}
                     }
                     case \"2\": {
                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
@@ -190,7 +190,7 @@ function main() {}
                     }
                     default: {
                         ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-                            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+                            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
                             if (__memo_scope.unchanged) {
                                 __memo_scope.cached;
                                 return;
diff --git a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/builder-param-passing.test.ts b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/builder-param-passing.test.ts
index bed12d063ca9608ec71fc5987e3bae456cc668bd..ebb8c68c538cda7e878f152a1e30bad63cb568fa 100644
--- a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/builder-param-passing.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/builder-param-passing.test.ts
@@ -148,7 +148,7 @@ function main() {}
   }
   
   @memo() public customBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (252759234)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (252759234)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -160,7 +160,7 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (209256344)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (209256344)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -182,7 +182,7 @@ function main() {}
   public __updateStruct(initializers: (__Options_Parent | undefined)): void {}
   
   @memo() public componentBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (219399173)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (219399173)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -195,13 +195,13 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (135515930)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (135515930)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Column(__memo_context, ((__memo_id) + (136716185)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (54078781)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (54078781)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -215,7 +215,7 @@ function main() {}
         return new Child();
       }), {
         customBuilderParam: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-          const __memo_scope = __memo_context.scope<void>(((__memo_id) + (76711614)), 0);
+          const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (76711614)), 0);
           if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
@@ -230,7 +230,7 @@ function main() {}
       Child._instantiateImpl(__memo_context, ((__memo_id) + (213687742)), undefined, (() => {
         return new Child();
       }), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (192802443)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (192802443)), 0);
         if (__memo_scope.unchanged) {
           __memo_scope.cached;
           return;
diff --git a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/init-with-local-builder.test.ts b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/init-with-local-builder.test.ts
index 36276ba82f94353aa20e4c17b9d0da5d44b3f27c..c65876141e351fc6bafedf9be2af7c155e3857aa 100644
--- a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/init-with-local-builder.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/init-with-local-builder.test.ts
@@ -136,7 +136,7 @@ function main() {}
   }
   
   @memo() public doNothingBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (174403279)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (174403279)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -148,7 +148,7 @@ function main() {}
   }
   
   @memo() public doNothingBuilder2(__memo_context: __memo_context_type, __memo_id: __memo_id_type, str: string) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (76253767)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (76253767)), 1);
     const __memo_parameter_str = __memo_scope.param(0, str);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
@@ -161,7 +161,7 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (179390036)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (179390036)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
diff --git a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/optional-builder-param.test.ts b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/optional-builder-param.test.ts
index 1a32d8c7a24067b98c9fb01c7ba20ed4fee65102..1463c68025fd46903d2d0c9604c4f6915dabd9db 100644
--- a/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/optional-builder-param.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/decorators/builder-param/optional-builder-param.test.ts
@@ -155,7 +155,7 @@ import { Component as Component, Entry as Entry, Builder as Builder, BuilderPara
 function main() {}
 
 @memo() function showTextBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (183537441)), 0);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (183537441)), 0);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
     return;
@@ -198,26 +198,26 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (234402485)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (234402485)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Row(__memo_context, ((__memo_id) + (46726221)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (213104625)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (213104625)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
       }
       ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
           __memo_scope.cached;
           return;
         }
         if (this.customBuilderParam2) {
           ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
               __memo_scope.cached;
               return;
@@ -235,14 +235,14 @@ function main() {}
         }
       }));
       ConditionScope(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
           __memo_scope.cached;
           return;
         }
         if (this.customBuilderParam2) {
           ConditionBranch(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
               __memo_scope.cached;
               return;
@@ -281,7 +281,7 @@ function main() {}
   public __updateStruct(initializers: (__Options_Parent | undefined)): void {}
   
   @memo() public componentBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (179117969)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (179117969)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -294,13 +294,13 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (245938697)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (245938697)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Column(__memo_context, ((__memo_id) + (78055758)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (136716185)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (136716185)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -309,7 +309,7 @@ function main() {}
         return new Child();
       }), {
         customBuilderParam2: @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-          const __memo_scope = __memo_context.scope<void>(((__memo_id) + (213687742)), 0);
+          const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (213687742)), 0);
           if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/ui-plugins/wrap-builder/builder-in-generic.test.ts b/arkui-plugins/test/ut/ui-plugins/wrap-builder/builder-in-generic.test.ts
index 4f7fc9dc54b685a163191f5e54ea64eb2f85de53..3edafdc23788af32d33360bcfb4d710f8f33e5fb 100644
--- a/arkui-plugins/test/ut/ui-plugins/wrap-builder/builder-in-generic.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/wrap-builder/builder-in-generic.test.ts
@@ -147,14 +147,14 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
     integratedHsp: \"false\",
 } as NavInterface));
 @memo() function MyBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     Text(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_instance = __memo_scope.param(0, instance);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -172,14 +172,14 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
     }
 }
 @memo() function YourBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     Text(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_instance = __memo_scope.param(0, instance);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -210,13 +210,13 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
         this.__backing_message!.set(value);
     }
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Row(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: RowAttribute): void => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
             const __memo_parameter_instance = __memo_scope.param(0, instance);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
@@ -228,7 +228,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
                 return;
             }
         }), undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -237,7 +237,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
             ForEach(__memo_context, ((__memo_id) + (<some_random_number>)), ((): Array<@Builder() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number)=> void)> => {
                 return builderArr;
             }), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, @memo() item: @Builder() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number)=> void)) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
                 const __memo_parameter_item = __memo_scope.param(0, item);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
@@ -269,7 +269,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
 }
 class __EntryWrapper extends EntryPoint {
     @memo() public entry(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/ui-plugins/wrap-builder/init-with-builder.test.ts b/arkui-plugins/test/ut/ui-plugins/wrap-builder/init-with-builder.test.ts
index c3443baebc981a5bdd94c81d55d5e2b17df311b1..06231c6f2222825d7d72baff32ff7426e3836cd5 100644
--- a/arkui-plugins/test/ut/ui-plugins/wrap-builder/init-with-builder.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/wrap-builder/init-with-builder.test.ts
@@ -100,14 +100,14 @@ function main() {}
 
 globalBuilder = wrapBuilder(myBuilder);
 @memo() function myBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (52041161)), 2);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (52041161)), 2);
   const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
     return;
   }
   Text(__memo_context, ((__memo_id) + (175145513)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (47330804)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (47330804)), 1);
     const __memo_parameter_instance = __memo_scope.param(0, instance);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
@@ -134,13 +134,13 @@ globalBuilder = wrapBuilder(myBuilder);
   public __updateStruct(initializers: (__Options_ImportStruct | undefined)): void {}
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (172572715)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (172572715)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Column(__memo_context, ((__memo_id) + (213104625)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (211301233)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (211301233)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
diff --git a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-generic.test.ts b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-generic.test.ts
index d5e87c590cc30d38d715a493fcccfbfe00a7cda6..f180ac50f539bf34b3969f3ad4ee224a47c96129 100644
--- a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-generic.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-generic.test.ts
@@ -147,14 +147,14 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
     integratedHsp: \"false\",
 } as NavInterface));
 @memo() function MyBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     Text(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
         const __memo_parameter_instance = __memo_scope.param(0, instance);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
@@ -172,14 +172,14 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
     }
 }
 @memo() function YourBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 2);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 2);
     const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
     }
     Text(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
     const __memo_parameter_instance = __memo_scope.param(0, instance);
     if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -210,13 +210,13 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
         this.__backing_message!.set(value);
     }
     @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
         }
         Row(__memo_context, ((__memo_id) + (<some_random_number>)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: RowAttribute): void => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
             const __memo_parameter_instance = __memo_scope.param(0, instance);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
@@ -228,7 +228,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
                 return;
             }
         }), undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-            const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+            const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
             if (__memo_scope.unchanged) {
                 __memo_scope.cached;
                 return;
@@ -237,7 +237,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
             ForEach(__memo_context, ((__memo_id) + (<some_random_number>)), ((): Array<WrappedBuilder<@Builder() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number)=> void)>> => {
                 return builderArr;
             }), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, item: WrappedBuilder<@Builder() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number)=> void)>) => {
-                const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 1);
+                const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 1);
                 const __memo_parameter_item = __memo_scope.param(0, item);
                 if (__memo_scope.unchanged) {
                     __memo_scope.cached;
@@ -269,7 +269,7 @@ __EntryWrapper.RegisterNamedRouter(\"\", new __EntryWrapper(), ({
 }
 class __EntryWrapper extends EntryPoint {
     @memo() public entry(__memo_context: __memo_context_type, __memo_id: __memo_id_type): void {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (<some_random_number>)), 0);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (<some_random_number>)), 0);
         if (__memo_scope.unchanged) {
             __memo_scope.cached;
             return;
diff --git a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-ui.test.ts b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-ui.test.ts
index 0b6a8c4ebef6d279b560c4b4b6b64df244ba7d49..7487a427b72ee107c8563c8475895d6a00592e68 100644
--- a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-ui.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-in-ui.test.ts
@@ -117,14 +117,14 @@ function main() {}
 
 
 @memo() function myBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (52041161)), 2);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (52041161)), 2);
   const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
     return;
   }
   Text(__memo_context, ((__memo_id) + (175145513)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (47330804)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (47330804)), 1);
     const __memo_parameter_instance = __memo_scope.param(0, instance);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
@@ -143,14 +143,14 @@ function main() {}
 }
 
 @memo() function yourBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, value: string, size: number) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (151467670)), 2);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (151467670)), 2);
   const __memo_parameter_value = __memo_scope.param(0, value), __memo_parameter_size = __memo_scope.param(1, size);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
     return;
   }
   Text(__memo_context, ((__memo_id) + (211301233)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: TextAttribute): void => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (137225318)), 1);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (137225318)), 1);
     const __memo_parameter_instance = __memo_scope.param(0, instance);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
@@ -177,7 +177,7 @@ function main() {}
   public __updateStruct(initializers: (__Options_ImportStruct | undefined)): void {}
   
   @memo() public testBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (194881372)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (194881372)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -185,7 +185,7 @@ function main() {}
     ForEach(__memo_context, ((__memo_id) + (218979098)), ((): Array<WrappedBuilder<MyBuilderFuncType>> => {
       return globalBuilderArr;
     }), ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, item: WrappedBuilder<MyBuilderFuncType>) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (76711614)), 1);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (76711614)), 1);
       const __memo_parameter_item = __memo_scope.param(0, item);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
@@ -204,13 +204,13 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (142886843)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (142886843)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Column(__memo_context, ((__memo_id) + (54078781)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (213687742)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (213687742)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
diff --git a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-with-lambda.test.ts b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-with-lambda.test.ts
index 38ef976e6db101c0c27258bd8a3de3cd83ea166f..2ea88399bc5e3174e0d18c51a725cb301824d68f 100644
--- a/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-with-lambda.test.ts
+++ b/arkui-plugins/test/ut/ui-plugins/wrap-builder/wrap-builder-with-lambda.test.ts
@@ -220,14 +220,14 @@ function main() {}
 
 
 @memo() function overBuilder(__memo_context: __memo_context_type, __memo_id: __memo_id_type, param: (()=> Tmp)) {
-  const __memo_scope = __memo_context.scope<void>(((__memo_id) + (133793681)), 1);
+  const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (133793681)), 1);
   const __memo_parameter_param = __memo_scope.param(0, param);
   if (__memo_scope.unchanged) {
     __memo_scope.cached;
     return;
   }
   Column(__memo_context, ((__memo_id) + (241913892)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (175145513)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (175145513)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
@@ -314,13 +314,13 @@ function main() {}
   }
   
   @memo() public build(__memo_context: __memo_context_type, __memo_id: __memo_id_type) {
-    const __memo_scope = __memo_context.scope<void>(((__memo_id) + (69406103)), 0);
+    const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (69406103)), 0);
     if (__memo_scope.unchanged) {
       __memo_scope.cached;
       return;
     }
     Column(__memo_context, ((__memo_id) + (218979098)), undefined, undefined, @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type) => {
-      const __memo_scope = __memo_context.scope<void>(((__memo_id) + (76711614)), 0);
+      const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (76711614)), 0);
       if (__memo_scope.unchanged) {
         __memo_scope.cached;
         return;
@@ -331,7 +331,7 @@ function main() {}
         };
       }));
       Button(__memo_context, ((__memo_id) + (46726221)), @memo() ((__memo_context: __memo_context_type, __memo_id: __memo_id_type, instance: ButtonAttribute): void => {
-        const __memo_scope = __memo_context.scope<void>(((__memo_id) + (213104625)), 1);
+        const __memo_scope = __memo_context.scope<undefined>(((__memo_id) + (213104625)), 1);
         const __memo_parameter_instance = __memo_scope.param(0, instance);
         if (__memo_scope.unchanged) {
           __memo_scope.cached;