diff --git a/arkoala-arkts/arkui/src/ArkUIEntry.ets b/arkoala-arkts/arkui/src/ArkUIEntry.ets
index 92dd1ec139eca9b6e929be4500f952a6abbced23..2ec37ce4ae9197f392babca2f9905ab056c976d3 100644
--- a/arkoala-arkts/arkui/src/ArkUIEntry.ets
+++ b/arkoala-arkts/arkui/src/ArkUIEntry.ets
@@ -119,7 +119,6 @@ export function destroyUiDetachedRoot(node: PeerNode): void {
 function destroyUiDetachedRootInternal(ptr: KPointer): boolean {
     if (!detachedRoots.has(ptr)) {
         throw new Error(`Root with id ${ptr} is not registered`)
-        return false
     }
     const root = detachedRoots.get(ptr)!
     detachedRoots.delete(ptr)
@@ -382,7 +381,7 @@ export class Application implements UserApplicationControl {
 
     handleMessage(ptr: KPointer, type: int32, param : string) : boolean {
         let result : boolean = false
-        switch (type as MessageType) {
+        switch (MessageType.fromValue(type)) {
             case MessageType.DELETE_DETACHED_ROOT: {
                 result = destroyUiDetachedRootInternal(ptr);
                 break
diff --git a/arkoala-arkts/arkui/src/resources.ets b/arkoala-arkts/arkui/src/resources.ets
index 586d916d89394f93e9c1695b7428d10c9140395a..d01580b069a27193fd11109e0da6ce7286aba253 100644
--- a/arkoala-arkts/arkui/src/resources.ets
+++ b/arkoala-arkts/arkui/src/resources.ets
@@ -110,7 +110,7 @@ export class ArkResource implements Resource {
             const retval = ArkUIGeneratedNativeModule._SystemOps_getResourceId(bundleNamea, moduleNamea, thisSerializer.asBuffer(), thisSerializer.length());
             thisSerializer.release();
             this._id = retval;
-            if (this.id > -1 && this.params!.length > 0) {
+            if (this._id > -1 && this.params!.length > 0) {
                 this.params!.shift();
             }
         }
@@ -157,7 +157,7 @@ export function _r(id: number, type: number, bundleName: string, moduleName: str
     if (id === -1) {
         return new ArkResource(null, bundleName, moduleName, ...params);
     }
-    return new ArkResource(id as long, type as int32, bundleName, moduleName, ...params);
+    return new ArkResource(id.toLong(), type.toInt(), bundleName, moduleName, ...params);
 }
 export function _rawfile(id: number, type: number, bundleName: string, moduleName: string, ...params: Array<string | int | long | double | Resource>): Resource {
     const name: string = params[0] as string;
diff --git a/arkoala-arkts/arkui/src/stateManagement/base/observeSingleton.ts b/arkoala-arkts/arkui/src/stateManagement/base/observeSingleton.ts
index 3ad78d85e9d3c024d2b5188342b8f95352ea0279..2c3296cfa67d7fa43c14944d86cbb744008ce22d 100644
--- a/arkoala-arkts/arkui/src/stateManagement/base/observeSingleton.ts
+++ b/arkoala-arkts/arkui/src/stateManagement/base/observeSingleton.ts
@@ -36,9 +36,7 @@ export class ObserveSingleton implements IObserve {
     public renderingComponentRef?: ITrackedDecoratorRef;
     private monitorPathRefsChanged_ = new Set<WeakRef<ITrackedDecoratorRef>>();
     private computedPropRefsChanged_ = new Set<WeakRef<ITrackedDecoratorRef>>();
-    private finalizationRegistry = new FinalizationRegistry<WeakRef<ITrackedDecoratorRef>>(
-        this.finalizeComputedAndMonitorPath
-    );
+    private finalizationRegistry: FinalizationRegistry<WeakRef<ITrackedDecoratorRef>>;
     private reverseBindingRefsToSet_ = new Map<WeakRef<ITrackedDecoratorRef>, Set<WeakRef<IBindingSource>>>();
 
     get renderingComponent(): number {
@@ -58,7 +56,11 @@ export class ObserveSingleton implements IObserve {
     }
     public _renderingId: RenderIdType | undefined = ObserveSingleton.InvalidRenderId;
 
-    constructor() {}
+    constructor() {
+        this.finalizationRegistry = new FinalizationRegistry<WeakRef<ITrackedDecoratorRef>>(
+            this.finalizeComputedAndMonitorPath
+        );
+    }
 
     public castToIObservedObject<T>(obj: T): IObservedObject | undefined {
         return obj && typeof obj === 'object' && StateMgmtTool.isIObservedObject(obj as Object)
diff --git a/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorComputed.ts b/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorComputed.ts
index 328758e76b34ed3500d17c620d9cd14674055ff1..d6507ebcbc86153e288ace88bcfa43500e7a96cf 100644
--- a/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorComputed.ts
+++ b/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorComputed.ts
@@ -81,7 +81,7 @@ export class ComputedDecoratedVariable<T> implements IComputedDecoratedVariable<
         let newValue: T;
         try {
             newValue = this.computedLambda_();
-        } catch (e: Exception) {
+        } catch (e) {
             StateMgmtConsole.log(`@Computed Exception caught for ${this.varName}: ${e.toString()}.`);
             throw e;
         } finally {
diff --git a/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorMonitor.ts b/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorMonitor.ts
index e40f5dc0d591ef0c722685e0f45e242a87f04517..36e4ce4ba8ed86790a48f29176fb94e0c11afc10 100644
--- a/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorMonitor.ts
+++ b/arkoala-arkts/arkui/src/stateManagement/decoratorImpl/decoratorMonitor.ts
@@ -60,7 +60,7 @@ export class MonitorFunctionDecorator implements IMonitorDecoratedVariable, IMon
         }
         try {
             this.monitorFunction_(this);
-        } catch (e: Exception) {
+        } catch (e) {
             StateMgmtConsole.log(`Error caught while executing @Monitor function: '${e}'`);
         } finally {
             this.values_.forEach((monitorValue: MonitorValueInternal) => {
diff --git a/arkoala-arkts/arkui/src/stateManagement/storage/storageBase.ts b/arkoala-arkts/arkui/src/stateManagement/storage/storageBase.ts
index 2c212c49872d68ade44352009137a6c6dadbdbf1..1dcd2df171af872dfc308f1d82cd288a186a40a8 100644
--- a/arkoala-arkts/arkui/src/stateManagement/storage/storageBase.ts
+++ b/arkoala-arkts/arkui/src/stateManagement/storage/storageBase.ts
@@ -28,14 +28,15 @@ export interface IStorageProperty {
 
 export class StorageProperty<T> extends StateDecoratedVariable<T> implements IDecoratedV1Variable<T>, IPropRefCounter {
     private refRegistrations_: Set<WatchIdType> = new Set<WatchIdType>();
-    private finalizationRegistry_: FinalizationRegistry<WatchIdType> = new FinalizationRegistry<WatchIdType>(
-        (registrationId: WatchIdType) => {
-            this.__unregister(registrationId);
-        }
-    );
+    private finalizationRegistry_: FinalizationRegistry<WatchIdType>;
 
     constructor(propName: string, initValue: T) {
         super(null, propName, initValue);
+        this.finalizationRegistry_= new FinalizationRegistry<WatchIdType>(
+            (registrationId: WatchIdType) => {
+                this.__unregister(registrationId);
+            }
+        );
     }
 
     public mkRef(propertyNameInAppStorage: string, ttype: Type): SubscribedAbstractProperty<T> {