diff --git a/server/wsproxy/CMakeLists.txt b/server/wsproxy/CMakeLists.txt
index 89aa0eb..b5db917 100644
--- a/server/wsproxy/CMakeLists.txt
+++ b/server/wsproxy/CMakeLists.txt
@@ -16,8 +16,8 @@ else()
 endif()
 
 set(CMAKE_BUILD_TYPE "Debug")
-#set(CMAKE_BUILD_TYPE "Release")
-set(CMAKE_CXX_FLAGS_RELEASE "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DMASTER_MODE=${MASTER_MODE} -DA8_TCP_SESSION2=1")
+set(CMAKE_BUILD_TYPE "Release")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DMASTER_MODE=${MASTER_MODE} -DA8_TCP_SESSION2=1")
 set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DMASTER_MODE=${MASTER_MODE} -DA8_TCP_SESSION2=1")
 
 include_directories(
diff --git a/server/wsproxy/GCListener.cc b/server/wsproxy/GCListener.cc
index 40a4d85..7ae6e92 100644
--- a/server/wsproxy/GCListener.cc
+++ b/server/wsproxy/GCListener.cc
@@ -161,3 +161,8 @@ long long GCListener::GetSendNodeNum()
 {
     return tcp_listener_->send_node_num;
 }
+
+long long GCListener::GetSentBytesNum()
+{
+    return tcp_listener_->sent_bytes_num;
+}
diff --git a/server/wsproxy/GCListener.h b/server/wsproxy/GCListener.h
index eaef725..962c333 100644
--- a/server/wsproxy/GCListener.h
+++ b/server/wsproxy/GCListener.h
@@ -32,6 +32,7 @@ class GCListener : public a8::Singleton<GCListener>
     void ForceCloseClient(unsigned short sockhandle);
     void MarkClient(unsigned short sockhandle, bool is_active);
     long long GetSendNodeNum();
+    long long GetSentBytesNum();
 
  private:
     a8::TcpListener *tcp_listener_ = nullptr;
diff --git a/server/wsproxy/app.cc b/server/wsproxy/app.cc
index 1464e8b..445824c 100644
--- a/server/wsproxy/app.cc
+++ b/server/wsproxy/app.cc
@@ -64,11 +64,12 @@ static void SavePerfLog()
                                      App::Instance()->perf.read_count,
                                   });
     if (App::Instance()->HasFlag(2)) {
-        a8::XPrintf("mainloop_time:%d netmsg_time:%d send_node_num:%d\n",
+        a8::XPrintf("mainloop_time:%d netmsg_time:%d send_node_num:%d sent_bytes_num:%d\n",
                     {
                      App::Instance()->perf.max_run_delay_time,
                      App::Instance()->perf.max_dispatchmsg_time,
-                     GCListener::Instance()->GetSendNodeNum()
+                     GCListener::Instance()->GetSendNodeNum(),
+                     GCListener::Instance()->GetSentBytesNum()
                     });
     }
     #if 1
@@ -156,6 +157,17 @@ bool App::Init(int argc, char* argv[])
                                                 }
                                                 );
     }
+    if (HasFlag(4)) {
+        a8::Timer::Instance()->AddDeadLineTimer(
+                                                1000 * 30,
+                                                a8::XParams(),
+                                                [] (const a8::XParams& param)
+                                                {
+                                                    App::Instance()->shutdowned = true;
+                                                    a8::XPrintf("shutdowned\n", {});
+                                                }
+                                                );
+    }
     return true;
 }
 
diff --git a/server/wsproxy/app.h b/server/wsproxy/app.h
index f452dab..16868e1 100644
--- a/server/wsproxy/app.h
+++ b/server/wsproxy/app.h
@@ -57,6 +57,7 @@ private:
     int argc = 0;
     char** argv = nullptr;
     volatile bool terminated = false;
+    volatile bool shutdowned = false;
     std::set<int> flags;
     PerfMonitor perf;
     a8::uuid::SnowFlake uuid;
diff --git a/third_party/a8engine b/third_party/a8engine
index f9222e3..ca4bcdb 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit f9222e376f8a678a252932c4a3fb93860d7625f2
+Subproject commit ca4bcdb5e2f8b32a637629f83ef152b321d97bf6