diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index 042f97eb..cadf0edc 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -124,6 +124,7 @@ public class AppMaster {
 
                     List<Pair<String, String>> postParams = new ArrayList<>();
                     postParams.add(new Pair<String, String>("id", mCmdid));
+                    postParams.add(new Pair<String, String>("XyDev", "1"));
                     postParams.add(new Pair<String, String>("i1Version", mService.getMpAppVersion()));
                     postParams.add(new Pair<String, String>("maintainVersion", mService.getMasterAppVersion()));