diff --git a/main.go b/main.go
index 39adc84..ef4c2ea 100644
--- a/main.go
+++ b/main.go
@@ -226,8 +226,8 @@ func ReadConfigToSetSystem() {
 			}
 		}
 
-		var is_exist bool
-		user_sync_id := -1
+		is_exist := false
+		user_sync_id := -1 //用户同步任务索引
 		for i, v := range cron_infos {
 			if v.Type == 2 {
 				is_exist = true
@@ -236,6 +236,7 @@ func ReadConfigToSetSystem() {
 					v.Curr = proto.Config.USER_SYNC_TIME
 				}
 				user_sync_id = i
+				cron_infos[i] = v
 				break
 			}
 		}