diff --git a/incremental/compat/src/arkts/observable.ts b/incremental/compat/src/arkts/observable.ts
index e123c9f52b7e598fe58f353a18584b77d6d2baba..8b48b02a54b417d10f4d17667bf48a7175a27e7b 100644
--- a/incremental/compat/src/arkts/observable.ts
+++ b/incremental/compat/src/arkts/observable.ts
@@ -13,12 +13,12 @@
  * limitations under the License.
  */
 
-export function getObservableTarget(proxy: Object): Object {
-    if (PROXY_DISABLED) return proxy
+export function getObservableTarget(proxyObj: Object): Object {
+    if (PROXY_DISABLED) return proxyObj
     try {
-        return (Proxy.tryGetTarget(proxy) ?? proxy) as Object
+        return (proxy.Proxy.tryGetTarget(proxyObj) ?? proxyObj) as Object
     } catch (error) {
-        return proxy
+        return proxyObj
     }
 }
 
@@ -213,10 +213,10 @@ export function observableProxy<Value>(value: Value, parent?: ObservableHandler,
     }
     if (PROXY_DISABLED) return value as Value
     // TODO: proxy the given object
-    return Proxy.create(value as Object, new CustomProxyHandler<Object>()) as Value
+    return proxy.Proxy.create(value as Object, new CustomProxyHandler<Object>()) as Value
 }
 
-class CustomProxyHandler<T extends Object> extends DefaultProxyHandler<T> {
+class CustomProxyHandler<T extends Object> extends proxy.DefaultProxyHandler<T> {
     override get(target: T, name: string): NullishType {
         const observable = ObservableHandler.find(target)
         if (observable) observable.onAccess()