diff --git a/frameworks/js/napi/device_manager/device_manager_middle.h b/frameworks/js/napi/device_manager/device_manager_middle.h
index a5cf0cf55ac683a3d556eea6ba07ef3431dc437d..20010c9f1a65732852a29dfdc8f101d9330d62d8 100644
--- a/frameworks/js/napi/device_manager/device_manager_middle.h
+++ b/frameworks/js/napi/device_manager/device_manager_middle.h
@@ -54,7 +54,7 @@ public:
         if (unbindCallback != nullptr) {
             napi_delete_reference(env, unbindCallback);
         }
-        
+
         drvExtObj = nullptr;
     }
 };