diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index e3941815..1a6e47e2 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -506,6 +506,7 @@ public class AppMaster {
                 for (int idx = 0; idx < cnt; idx++) {
                     JSONObject cmdObject = cmdObjects.getJSONObject(idx);
                     if (cmdObject != null) {
+                        cid = jsonObject.optLong("cid", 0);
                         processCmd(cid, cmdObject);
                     }
                 }