diff --git a/server/wsproxy/upstream.cc b/server/wsproxy/upstream.cc
index d56036b..bc7dce7 100644
--- a/server/wsproxy/upstream.cc
+++ b/server/wsproxy/upstream.cc
@@ -2,7 +2,11 @@
 
 #include <string.h>
 
+#ifdef USE_ASIO
+#include <a8/asiotcpclient.h>
+#else
 #include <a8/tcpclient.h>
+#endif
 
 #include <f8/udplog.h>
 #include <f8/timer.h>
@@ -16,12 +20,6 @@
 
 const int PACK_MAX = 1024 * 64 * 2;
 
-#ifdef USE_ASIO
-UpStream::UpStream(asio::io_context& io_context):socket_(io_context)
-{
-}
-#endif
-
 void UpStream::Init(int instance_id, const std::string& remote_ip, int remote_port)
 {
     if (remote_ip.empty()) {
@@ -34,7 +32,11 @@ void UpStream::Init(int instance_id, const std::string& remote_ip, int remote_po
     recv_bufflen_ = 0;
     last_pong_tick = a8::XGetTickCount();
     recv_buff_ = (char*) malloc(PACK_MAX * 2);
+#ifdef USE_ASIO
+    tcp_client_ = std::make_shared<a8::AsioTcpClient>();
+#else
     tcp_client_ = std::make_shared<a8::TcpClient>();
+#endif
     tcp_client_->remote_address = remote_ip;
     tcp_client_->remote_port = remote_port;
     tcp_client_->on_error = std::bind(&UpStream::on_error, this, std::placeholders::_1, std::placeholders::_2);
@@ -154,7 +156,11 @@ void UpStream::ForwardClientMsgEx(f8::MsgHdr* hdr)
     }
 }
 
+#ifdef USE_ASIO
+void UpStream::on_error(a8::AsioTcpClient* sender, int errorId)
+#else
 void UpStream::on_error(a8::TcpClient* sender, int errorId)
+#endif
 {
     f8::UdpLog::Instance()->Error("target server errorid=%d remote_ip:%s remote_port:%d",
                                   {
@@ -164,7 +170,11 @@ void UpStream::on_error(a8::TcpClient* sender, int errorId)
                                   });
 }
 
+#ifdef USE_ASIO
+void UpStream::on_connect(a8::AsioTcpClient* sender)
+#else
 void UpStream::on_connect(a8::TcpClient* sender)
+#endif
 {
     recv_bufflen_ = 0;
     f8::UdpLog::Instance()->Info("target server connected remote_ip:%s remote_port:%d",
@@ -184,7 +194,11 @@ void UpStream::on_connect(a8::TcpClient* sender)
          );
 }
 
+#ifdef USE_ASIO
+void UpStream::on_disconnect(a8::AsioTcpClient* sender)
+#else
 void UpStream::on_disconnect(a8::TcpClient* sender)
+#endif
 {
     recv_bufflen_ = 0;
     f8::UdpLog::Instance()->Info("target server %d disconnected after 10s later reconnect "
@@ -206,7 +220,11 @@ void UpStream::on_disconnect(a8::TcpClient* sender)
          );
 }
 
+#ifdef USE_ASIO
+void UpStream::on_socketread(a8::AsioTcpClient* sender, char* buf, unsigned int len)
+#else
 void UpStream::on_socketread(a8::TcpClient* sender, char* buf, unsigned int len)
+#endif
 {
     #if 0
     ++App::Instance()->perf.read_count;
diff --git a/server/wsproxy/upstream.h b/server/wsproxy/upstream.h
index b03a3d9..dca63a6 100644
--- a/server/wsproxy/upstream.h
+++ b/server/wsproxy/upstream.h
@@ -2,13 +2,10 @@
 
 #include <f8/protoutils.h>
 
-#ifdef USE_ASIO
-#include <asio.hpp>
-#endif
-
 namespace a8
 {
     class TcpClient;
+    class AsioTcpClient;
 }
 
 struct UpStreamMsgNode
@@ -30,9 +27,6 @@ class UpStream
     a8::tick_t last_pong_tick = 0;
 
  public:
-#ifdef USE_ASIO
-    UpStream(asio::io_context& io_context);
-#endif
 
     void Init(int instance_id, const std::string& remote_ip, int remote_port);
     void UnInit();
@@ -62,10 +56,17 @@ class UpStream
     void ForwardClientMsgEx(f8::MsgHdr* hdr);
 
  private:
+#ifdef USE_ASIO
+    void on_error(a8::AsioTcpClient* sender, int errorId);
+    void on_connect(a8::AsioTcpClient* sender);
+    void on_disconnect(a8::AsioTcpClient* sender);
+    void on_socketread(a8::AsioTcpClient* sender, char* buf, unsigned int len);
+#else
     void on_error(a8::TcpClient* sender, int errorId);
     void on_connect(a8::TcpClient* sender);
     void on_disconnect(a8::TcpClient* sender);
     void on_socketread(a8::TcpClient* sender, char* buf, unsigned int len);
+#endif
 
     void CheckAlive();
     void AddStockMsg(unsigned short socket_handle, int msgid, ::google::protobuf::Message* msg,
@@ -74,9 +75,10 @@ class UpStream
  private:
     char *recv_buff_ = nullptr;
     unsigned int recv_bufflen_ = 0;
-    std::shared_ptr<a8::TcpClient> tcp_client_;
 #ifdef USE_ASIO
-    asio::ip::tcp::socket socket_;
+    std::shared_ptr<a8::AsioTcpClient> tcp_client_;
+#else
+    std::shared_ptr<a8::TcpClient> tcp_client_;
 #endif
     f8::TimerWp timer_wp_;
     f8::Attacher attacher_;
diff --git a/server/wsproxy/upstreammgr.cc b/server/wsproxy/upstreammgr.cc
index 2f05427..f1c455b 100644
--- a/server/wsproxy/upstreammgr.cc
+++ b/server/wsproxy/upstreammgr.cc
@@ -55,12 +55,7 @@ std::weak_ptr<UpStream> UpStreamMgr::RecreateUpStream(const std::string& host, i
     int instance_id = curr_id_;
     std::string remote_ip = host;
     int remote_port = port;
-#ifdef USE_ASIO
-    asio::io_context io_context;
-    std::shared_ptr<UpStream> conn = std::make_shared<UpStream>(io_context);
-#else
     std::shared_ptr<UpStream> conn = std::make_shared<UpStream>();
-#endif
     conn->Init(instance_id, remote_ip, remote_port);
     id_hash_[conn->instance_id] = conn;
     key_hash_[key] = conn;
diff --git a/third_party/a8 b/third_party/a8
index 54fe50e..c5e180a 160000
--- a/third_party/a8
+++ b/third_party/a8
@@ -1 +1 @@
-Subproject commit 54fe50edf11dda774dcd6fc480134c9e4ce449cd
+Subproject commit c5e180a96a7ba0d89f41f28821b0eb081f7ee880
diff --git a/third_party/f8 b/third_party/f8
index ae5c84a..e8e6a85 160000
--- a/third_party/f8
+++ b/third_party/f8
@@ -1 +1 @@
-Subproject commit ae5c84ae98a314a6f29a2e29e9a2937801324c15
+Subproject commit e8e6a85b8f00a248eea7aea80276c6f1afd98ef9