diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
index 86f372c0..7d1a794f 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
@@ -712,10 +712,6 @@ public class MpMasterService extends Service {
                     }
                 }, 5000);
 
-                // Reset Data Network
-                // logger.info("Switch to Simcard 1");
-                // SysApi.selectSimCard4Data(getApplicationContext(), 1);
-
                 registerHeartbeatTimer();
 
                 startMaster(false);