diff --git a/server/wsproxy/app.cc b/server/wsproxy/app.cc
index f4e3df3..9f988c1 100644
--- a/server/wsproxy/app.cc
+++ b/server/wsproxy/app.cc
@@ -90,7 +90,7 @@ const std::string App::GetPkgName()
 
 void App::Init()
 {
-    udp_msg_mutex_ = new std::mutex();
+    udp_msg_mutex_ = std::make_shared<std::mutex>();
 
     HandlerMgr::Instance()->Init();
     JsonDataMgr::Instance()->Init();
@@ -148,7 +148,6 @@ void App::UnInit()
     HandlerMgr::Instance()->UnInit();
 
     FreeUdpMsgQueue();
-    delete udp_msg_mutex_;
     udp_msg_mutex_ = nullptr;
     a8::XPrintf("wsproxy terminated instance_id:%d pid:%d\n",
                 {f8::App::Instance()->GetInstanceId(),
diff --git a/server/wsproxy/app.h b/server/wsproxy/app.h
index 2358fbe..bbdc436 100644
--- a/server/wsproxy/app.h
+++ b/server/wsproxy/app.h
@@ -48,7 +48,7 @@ private:
 private:
     PerfMonitor perf_;
 
-    std::mutex* udp_msg_mutex_ = nullptr;
+    std::shared_ptr<std::mutex> udp_msg_mutex_;
     UdpMsgNode* udp_top_node_ = nullptr;
     UdpMsgNode* udp_bot_node_ = nullptr;
     UdpMsgNode* udp_work_node_ = nullptr;