diff --git a/a8/timer.cc b/a8/timer.cc
index 4753894..4e889c5 100644
--- a/a8/timer.cc
+++ b/a8/timer.cc
@@ -292,25 +292,27 @@ namespace a8
                 if (timer->timer_after_func) {
                     timer->timer_after_func(timer->param);
                 }
-                switch (timer->timer_type) {
-                case 1:
-                case 2: //循环类定时 fixed timer也是循环定时器
-                    {
-                        if (timer->timer_type == 2) {
-                            timer->fixed_timer_execute_times++;
+                if (base_->running_timer) {
+                    switch (timer->timer_type) {
+                    case 1:
+                    case 2: //循环类定时 fixed timer也是循环定时器
+                        {
+                            if (timer->timer_type == 2) {
+                                timer->fixed_timer_execute_times++;
+                            }
+                            ModifyTimer(timer, timer->milli_seconds);
                         }
-                        ModifyTimer(timer, timer->milli_seconds);
-                    }
-                    break;
-                default: //deadline timer
-                    {
-                        DetachTimer(timer);
-                        if (!list_empty(&timer->attach_entry)) {
-                            list_del_init(&timer->attach_entry);
+                        break;
+                    default: //deadline timer
+                        {
+                            DetachTimer(timer);
+                            if (!list_empty(&timer->attach_entry)) {
+                                list_del_init(&timer->attach_entry);
+                            }
+                            AddToFreeList(timer);
                         }
-                        AddToFreeList(timer);
+                        break;
                     }
-                    break;
                 }
             }
         }