diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D3F0SelfCheckMessageExecutor.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D3F0SelfCheckMessageExecutor.java
index 719686c0..c607d496 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D3F0SelfCheckMessageExecutor.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D3F0SelfCheckMessageExecutor.java
@@ -33,6 +33,8 @@ public class D3F0SelfCheckMessageExecutor implements Executor<D3F0SelfCheckMessa
     private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
     final String F9PInitCmd = "f9";
+    final String F9PPowerOff = "25 00";
+    final String F9PPowerOn = "25 01";
     final String F9PColdStartCmd = "b56206040400000002001068";
     final String BTCloseMneaCmd = "424be8e1020a00040000ffff";
     final String BTOpenGGACmd = "424b852c0208000400000001";
@@ -208,13 +210,28 @@ public class D3F0SelfCheckMessageExecutor implements Executor<D3F0SelfCheckMessa
 
     void startF9PColdStartTask(Device device){
         Timer timer = new Timer();
+        /*timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                sendGnssCommand(device, F9PColdStartCmd);
+                //改成低功耗模式
+                //sendDebugCommand(device, F9PInitCmd);
+            }
+        },1000);*/
         timer.schedule(new TimerTask() {
             @Override
             public void run() {
-                //sendGnssCommand(device, F9PColdStartCmd);
-                sendDebugCommand(device, F9PInitCmd);
+                //F9p断电
+                sendDebugCommand(device, F9PPowerOff);
             }
-        },1000);
+        },2000);
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                //F9p断电
+                sendDebugCommand(device, F9PPowerOn);
+            }
+        },20000);
     }
 
     void startBTHotStartTask(Device device){