diff --git a/f8/app.cc b/f8/app.cc
index 422041b..c72975e 100644
--- a/f8/app.cc
+++ b/f8/app.cc
@@ -62,6 +62,15 @@ namespace f8
     void App::UnInit()
     {
         user_app_->UnInit();
+        {
+            queue_.Fetch();
+            list_head* work_list = queue_.GetWorkList();
+            while (!list_empty(work_list)){
+                MsgHdr* hdr = list_first_entry(work_list, MsgHdr, entry);
+                list_del_init(&hdr->entry);
+                MsgHdr::Destroy(hdr);
+            }
+        }
         f8::TGLog::Instance()->UnInit();
         f8::HttpClientPool::Instance()->UnInit();
         f8::Timer::Instance()->UnInit();