diff --git a/wmserver/src/window_manager_service.cpp b/wmserver/src/window_manager_service.cpp
index 875dba74553a874bd5db14c9116bf19b395ee26f..12a9b7d61c19383f20994efdbae3445c43f42dd8 100644
--- a/wmserver/src/window_manager_service.cpp
+++ b/wmserver/src/window_manager_service.cpp
@@ -1149,7 +1149,11 @@ WMError WindowManagerService::SetWindowAnimationController(const sptr<RSIWindowA
             PostVoidSyncTask(task, "OnRemoteDie");
         }
     );
-    controller->AsObject()->AddDeathRecipient(deathRecipient);
+    if (controller->AsObject() != nullptr) {
+        controller->AsObject()->AddDeathRecipient(deathRecipient);
+    } else {
+        WLOGFE("Convert controller as object failed");
+    }
     RemoteAnimation::SetWindowControllerAndRoot(windowController_, windowRoot_);
     RemoteAnimation::SetMainTaskHandler(handler_);
     auto task = [this, &controller]() {