diff --git a/app/src/main/java/com/ik/mboxlauncher/SystemService.java b/app/src/main/java/com/ik/mboxlauncher/SystemService.java
index abcc9f2..8884752 100644
--- a/app/src/main/java/com/ik/mboxlauncher/SystemService.java
+++ b/app/src/main/java/com/ik/mboxlauncher/SystemService.java
@@ -320,8 +320,13 @@ public class SystemService extends Service implements AppnetCallback, NetStateCh
         }
         boolean isTimeout = code==0 || message.contains("The server is busy");
         if (isTimeout) {
-            handler.removeMessages(WHAT_PERIODIC_REQUEST);
-            handler.sendEmptyMessageDelayed(WHAT_PERIODIC_REQUEST, REQUEST_INTERVAL);
+            long lastSuccessTime = getLastSuccessTime();
+            if (lastSuccessTime == 0) {
+                scheduleNextPeriodicRequest();
+            } else {
+                handler.removeMessages(WHAT_PERIODIC_REQUEST);
+                handler.sendEmptyMessageDelayed(WHAT_PERIODIC_REQUEST, REQUEST_INTERVAL);
+            }
         } else {
             //保留原逻辑
             scheduleNextPeriodicRequest();