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 c607d496..6ee5dc24 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
@@ -210,28 +210,14 @@ 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() {
-                //F9p断电
-                sendDebugCommand(device, F9PPowerOff);
-            }
-        },2000);
-        timer.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                //F9p断电
-                sendDebugCommand(device, F9PPowerOn);
-            }
-        },20000);
+        for(int delay=1; delay<=10; delay++) {
+            timer.schedule(new TimerTask() {
+                @Override
+                public void run() {
+                    sendGnssCommand(device, F9PColdStartCmd);
+                }
+            }, delay*1500);
+        }
     }
 
     void startBTHotStartTask(Device device){