diff --git a/interfaces/ets/ani/observer/src/observer.cpp b/interfaces/ets/ani/observer/src/observer.cpp
index 0c797c76557d854b6c9ee17392672ff913821477..f0e01adb6d26c783af0a5aad159cc9d78fe9e146 100644
--- a/interfaces/ets/ani/observer/src/observer.cpp
+++ b/interfaces/ets/ani/observer/src/observer.cpp
@@ -637,7 +637,7 @@ public:
         env->Object_SetPropertyByName_Ref(res, "state", routerStateItem);
 
         ani_class uiContextUtil;
-        env->FindClass("Larkui/handwritten/UIContextUtil;", &uiContextUtil);
+        env->FindClass("Larkui/handwritten/UIContextUtil/UIContextUtil;", &uiContextUtil);
         ani_static_method getUiContext;
         env->Class_FindStaticMethod(
             uiContextUtil, "getOrCreateUIContextById", "I:L@ohos/arkui/UIContext/UIContext;", &getUiContext);