diff --git a/interfaces/kits/napi/common_event/include/common_event.h b/interfaces/kits/napi/common_event/include/common_event.h
index 0300f3f6de8caeec1c87952659e51ed697d59c45..51cbd2e67bcf721409273f4d3b2cffef588dc1ca 100644
--- a/interfaces/kits/napi/common_event/include/common_event.h
+++ b/interfaces/kits/napi/common_event/include/common_event.h
@@ -37,7 +37,7 @@ struct subscriberInstanceInfo {
     std::shared_ptr<AsyncCommonEventResult> commonEventResult = nullptr;
 };
 
-static napi_ref g_CommonEventSubscriber = nullptr;
+static thread_local napi_ref g_CommonEventSubscriber = nullptr;
 static std::map<std::shared_ptr<SubscriberInstance>, subscriberInstanceInfo> subscriberInstances;
 static std::mutex subscriberInsMutex;
 
@@ -414,4 +414,4 @@ napi_value CommonEventInit(napi_env env, napi_value exports);
 }  // namespace EventFwkNapi
 }  // namespace OHOS
 
-#endif  // BASE_NOTIFICATION_CES_STANDARD_CESFWK_KITS_NAPI_COMMON_EVENT_INCLUDE_COMMON_EVENT_H
\ No newline at end of file
+#endif  // BASE_NOTIFICATION_CES_STANDARD_CESFWK_KITS_NAPI_COMMON_EVENT_INCLUDE_COMMON_EVENT_H