diff --git a/src/device/DmsAsyncAction.h b/src/device/DmsAsyncAction.h
index 3b22678..13b6364 100644
--- a/src/device/DmsAsyncAction.h
+++ b/src/device/DmsAsyncAction.h
@@ -43,6 +43,7 @@ private:
     QString mResponseSignal;
     QString mSendData;
     bool mIsResponsed;
+    bool mIsRunning;
 };
 
 #endif // DMSASYNCACTION_H