diff --git a/server/wsproxy/upstream.cc b/server/wsproxy/upstream.cc
index 3de2dab..aee615d 100644
--- a/server/wsproxy/upstream.cc
+++ b/server/wsproxy/upstream.cc
@@ -58,15 +58,13 @@ void UpStream::UnInit()
         delete pdelnode;
     }
 
-    #if 0
-    f8::Timer::Instance()->DeleteTimer(timer_);
-    timer_ = nullptr;
-    #endif
+    if (!timer_wp_.expired()) {
+        f8::Timer::Instance()->Delete(timer_wp_);
+    }
     tcp_client_->Close();
     if(tcp_client_.use_count() != 1) {
         abort();
     }
-    tcp_client_ = nullptr;
     recv_bufflen_ = 0;
     free(recv_buff_);
     recv_buff_ = nullptr;