diff --git a/internal/service/task.go b/internal/service/task.go
index b4a6bcc..38553a0 100644
--- a/internal/service/task.go
+++ b/internal/service/task.go
@@ -9,7 +9,6 @@ import (
     "path/filepath"
     "strings"
     "sync"
-    "time"
 
     "3588AdminBackend/internal/config"
     "3588AdminBackend/internal/models"
@@ -308,26 +307,13 @@ func (s *TaskService) executeOnDevice(task *models.Task, did string) {
             s.updateDeviceStatus(task.ID, did, models.TaskFailed, 0, "invalid payload: "+err.Error())
             return
         }
-        // Retry config apply up to 3 times (media-server may be slow to reload).
-        var lastErr error
-        var lastCode int
-        for attempt := 0; attempt < 3; attempt++ {
-            if attempt > 0 {
-                time.Sleep(time.Duration(attempt) * 3 * time.Second)
-                s.updateDeviceStatus(task.ID, did, models.TaskRunning, float64(attempt)/3.0, fmt.Sprintf("重试 %d/2", attempt))
-            }
-            _, code, err := s.agent.Do("PUT", dev.IP, dev.AgentPort, "/v1/config", body)
-            if err == nil && code < 400 {
-                lastErr = nil; lastCode = code; break
-            }
-            lastErr = err; lastCode = code
-        }
-        if lastErr != nil {
-            s.updateDeviceStatus(task.ID, did, models.TaskFailed, 0, lastErr.Error())
+        _, code, err := s.agent.Do("PUT", dev.IP, dev.AgentPort, "/v1/config", body)
+        if err != nil {
+            s.updateDeviceStatus(task.ID, did, models.TaskFailed, 0, err.Error())
             return
         }
-        if lastCode >= 400 {
-            s.updateDeviceStatus(task.ID, did, models.TaskFailed, 0, fmt.Sprintf("agent error: %d", lastCode))
+        if code >= 400 {
+            s.updateDeviceStatus(task.ID, did, models.TaskFailed, 0, fmt.Sprintf("agent error: %d", code))
             return
         }
         s.updateDeviceStatus(task.ID, did, models.TaskSuccess, 1.0, "")