diff --git a/a8/timer.cc b/a8/timer.cc
index 232369a..0c78d6a 100644
--- a/a8/timer.cc
+++ b/a8/timer.cc
@@ -148,6 +148,9 @@ namespace a8
 
     void Timer::UnInit()
     {
+        Clear();
+        delete base_;
+        base_ = nullptr;
     }
 
     void Timer::Update()
@@ -227,7 +230,7 @@ namespace a8
         if (!list_empty(&timer->attach_entry)) {
             list_del_init(&timer->attach_entry);
         }
-         AddToFreeList(timer);
+        AddToFreeList(timer);
     }
 
     timer_list* Timer::GetTimerByAttach(list_head* attach_entry)
@@ -332,6 +335,32 @@ namespace a8
         base_->free_timer_num++;
     }
 
+    void Timer::Clear()
+    {
+        auto free_timers =
+            [] (list_head* head)
+            {
+                while (!list_empty(head)) {
+                    struct timer_list *timer;
+                    timer = list_first_entry(head, struct timer_list,entry);
+                    DetachTimer(timer);
+                    if (!list_empty(&timer->attach_entry)) {
+                        list_del_init(&timer->attach_entry);
+                    }
+                    delete timer;
+                }
+            };
+        for (int j = 0; j < TVN_SIZE; j++) {
+            free_timers(base_->tv5.vec + j);
+            free_timers(base_->tv4.vec + j);
+            free_timers(base_->tv3.vec + j);
+            free_timers(base_->tv2.vec + j);
+        }
+        for (int j = 0; j < TVR_SIZE; j++) {
+            free_timers(base_->tv1.vec + j);
+        }
+    }
+
     void Timer::GC_TimerFunc(const a8::XParams& param)
     {
         Timer* timer = (Timer*)param.sender.GetUserData();
diff --git a/a8/timer.h b/a8/timer.h
index 14c41b9..9695f2b 100644
--- a/a8/timer.h
+++ b/a8/timer.h
@@ -47,6 +47,7 @@ namespace a8
         void UpdateTimer();
         timer_list* NewTimerList();
         void AddToFreeList(timer_list* timer);
+        void Clear();
         static void GC_TimerFunc(const a8::XParams& param);
 
     private: