diff --git a/frameworks/ans/core/common/include/ans_inner_errors.h b/frameworks/ans/core/common/include/ans_inner_errors.h
index 44f0f61998592ca174d7ed7df513d5dda8e63910..15d3d89c135a6e27f193089aacf8297cfb5c39ae 100644
--- a/frameworks/ans/core/common/include/ans_inner_errors.h
+++ b/frameworks/ans/core/common/include/ans_inner_errors.h
@@ -74,6 +74,7 @@ enum ErrorCode : uint32_t {
     ERR_ANS_DISTRIBUTED_GET_INFO_FAILED,
     ERR_ANS_NOTIFICATION_IS_UNALLOWED_REMOVEALLOWED,
     ERR_ANS_GET_ACTIVE_USER_FAILED,
+    ERR_ANS_SUBSCRIBER_ALREADY_DELETE,
 };
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/interfaces/kits/napi/ans/include/subscribe.h b/interfaces/kits/napi/ans/include/subscribe.h
index 193de4582d67a284e65dcf57e9b00e5da27ac466..26babfc735cb4341b005438c7b76b07b63cb4a82 100644
--- a/interfaces/kits/napi/ans/include/subscribe.h
+++ b/interfaces/kits/napi/ans/include/subscribe.h
@@ -52,6 +52,8 @@ public:
 
     void SetCallbackInfo(const napi_env &env, const std::string &type, const napi_ref &ref);
 
+    bool SetObjectDeleting(bool status);
+
 private:
     void SetCancelCallbackInfo(const napi_env &env, const napi_ref &ref);
 
@@ -86,6 +88,9 @@ private:
     CallbackInfo disturbModeCallbackInfo_;
     CallbackInfo disturbDateCallbackInfo_;
     CallbackInfo enabledNotificationCallbackInfo_;
+
+    std::mutex delMutex_;
+    bool isDelete_ = false;
 };
 
 struct SubscriberInstancesInfo {
diff --git a/interfaces/kits/napi/ans/src/subscribe.cpp b/interfaces/kits/napi/ans/src/subscribe.cpp
index 585679aa45cb3bfc39c724ece21a2ce4efb6cc95..3f53310214599a431d07fe26309f5fc56c71f735 100644
--- a/interfaces/kits/napi/ans/src/subscribe.cpp
+++ b/interfaces/kits/napi/ans/src/subscribe.cpp
@@ -851,6 +851,17 @@ void SubscriberInstance::SetDisturbDateCallbackInfo(const napi_env &env, const n
     disturbDateCallbackInfo_.ref = ref;
 }
 
+bool SubscriberInstance::SetObjectDeleting(bool status)
+{
+    std::lock_guard<std::mutex> lock(delMutex_);
+    if (isDelete_ && isDelete_ == status) {
+        return false;
+    } else {
+        isDelete_ = status;
+        return true;
+    }
+}
+
 void SubscriberInstance::SetCallbackInfo(const napi_env &env, const std::string &type, const napi_ref &ref)
 {
     if (type == CONSUME) {
diff --git a/interfaces/kits/napi/ans/src/unsubscribe.cpp b/interfaces/kits/napi/ans/src/unsubscribe.cpp
index 0ba592149706e507b5cb76e40ac5a162f87e05a0..9bd006a38a31464aa1e1b08da902f1e3d9b660ee 100644
--- a/interfaces/kits/napi/ans/src/unsubscribe.cpp
+++ b/interfaces/kits/napi/ans/src/unsubscribe.cpp
@@ -100,8 +100,16 @@ napi_value Unsubscribe(napi_env env, napi_callback_info info)
                 return;
             }
 
-            asynccallbackinfo->info.errorCode =
-                NotificationHelper::UnSubscribeNotification(*(asynccallbackinfo->objectInfo));
+            bool ret = asynccallbackinfo->objectInfo->SetObjectDeleting(true);
+            if (ret) {
+                asynccallbackinfo->info.errorCode =
+                    NotificationHelper::UnSubscribeNotification(*(asynccallbackinfo->objectInfo));
+                if (asynccallbackinfo->info.errorCode != ERR_OK) {
+                    asynccallbackinfo->objectInfo->SetObjectDeleting(false);
+                }
+            } else {
+                asynccallbackinfo->info.errorCode = ERR_ANS_SUBSCRIBER_ALREADY_DELETE;
+            }
         },
         [](napi_env env, napi_status status, void *data) {
             ANS_LOGI("Unsubscribe napi_create_async_work end");