diff --git a/ui2abc/libarkts/src/arkts-api/InferVoidReturnType.ts b/ui2abc/libarkts/src/arkts-api/InferVoidReturnType.ts
index f25337500afdfd17aaadab8e49299f60dd4808c0..8125c3240bc2c3e4be7a25d98c0a776f19275b6d 100644
--- a/ui2abc/libarkts/src/arkts-api/InferVoidReturnType.ts
+++ b/ui2abc/libarkts/src/arkts-api/InferVoidReturnType.ts
@@ -69,7 +69,7 @@ class InferVoidReturnType extends AbstractVisitor {
                         Es2pandaPrimitiveType.PRIMITIVE_TYPE_VOID,
                     ),
                     result.hasReceiver,
-                    result.flags,
+                    result.flags & (~Es2pandaScriptFunctionFlags.SCRIPT_FUNCTION_FLAGS_TRAILING_LAMBDA),
                     result.modifierFlags,
                     result.id,
                     result.annotations,
diff --git a/ui2abc/libarkts/test/arkts-api/recheck/lambda/unchanged/dump-src/main.ets b/ui2abc/libarkts/test/arkts-api/recheck/lambda/unchanged/dump-src/main.ets
index 061169c18fe42d580f170dc0ec23adbdbcf5a76b..a0c2e545a5255e7f29eabb7d54e22d8a1e8b99cd 100644
--- a/ui2abc/libarkts/test/arkts-api/recheck/lambda/unchanged/dump-src/main.ets
+++ b/ui2abc/libarkts/test/arkts-api/recheck/lambda/unchanged/dump-src/main.ets
@@ -9,13 +9,13 @@ function foo(): void {
 }
 
 function hasTrailing(first?: string, trailing?: (()=> void)): void {
-  ({let gensym%%_994 = trailing;
-  (((gensym%%_994) == (null)) ? undefined : gensym%%_994())});
+  ({let gensym%%_942 = trailing;
+  (((gensym%%_942) == (null)) ? undefined : gensym%%_942())});
 }
 
 function bar(zzz: string): void {
   hasTrailing("xxx");
-  hasTrailing("xxx", (() => {
+  hasTrailing("xxx", ((): void => {
     const d = zzz;
   }));
 }
diff --git a/ui2abc/libarkts/test/arkts-api/recheck/optional/unchanged/dump-src/main.ets b/ui2abc/libarkts/test/arkts-api/recheck/optional/unchanged/dump-src/main.ets
index 743c45104052715b63123a42d4446bae787aa52f..3f58df541d6c7e647ca761c73d91a56c7d82b574 100644
--- a/ui2abc/libarkts/test/arkts-api/recheck/optional/unchanged/dump-src/main.ets
+++ b/ui2abc/libarkts/test/arkts-api/recheck/optional/unchanged/dump-src/main.ets
@@ -3,9 +3,9 @@ function main(): void {}
 
 
 function foo(x: (X | undefined)): void {
-  let zzz = ({let gensym%%_860 = ({let gensym%%_859 = x;
-  (((gensym%%_859) == (null)) ? undefined : gensym%%_859.y)});
-  (((gensym%%_860) == (null)) ? undefined : gensym%%_860.length)});
+  let zzz = ({let gensym%%_806 = ({let gensym%%_805 = x;
+  (((gensym%%_805) == (null)) ? undefined : gensym%%_805.y)});
+  (((gensym%%_806) == (null)) ? undefined : gensym%%_806.length)});
 }
 
 
diff --git a/ui2abc/libarkts/test/arkts-api/recheck/static/trailing-block/dump-src/main.ets b/ui2abc/libarkts/test/arkts-api/recheck/static/trailing-block/dump-src/main.ets
index 97ac6287fc601e80ca00128cbbe40fa95238dbd4..0cbbc4c5642a3418f9293c8ce22967556b591010 100644
--- a/ui2abc/libarkts/test/arkts-api/recheck/static/trailing-block/dump-src/main.ets
+++ b/ui2abc/libarkts/test/arkts-api/recheck/static/trailing-block/dump-src/main.ets
@@ -7,7 +7,7 @@ class C {
   public f(arg: (()=> void)): void {}
   
   public g(): void {
-    this.f((() => {
+    this.f(((): void => {
       const x = 11;
     }));
   }