diff --git a/src/ice/ice_transport.cpp b/src/ice/ice_transport.cpp
index 11ff6a1..09f35bb 100644
--- a/src/ice/ice_transport.cpp
+++ b/src/ice/ice_transport.cpp
@@ -63,6 +63,8 @@ int IceTransport::InitIceTransport() {
 int IceTransport::InitIceTransport(std::string const &id) {
   transport_id_ = id;
 
+  ice_agent_ = new IceAgent();
+
   ice_agent_->CreateIceAgent(
       [](juice_agent_t *agent, juice_state_t state, void *user_ptr) {
         LOG_INFO("state_change: {}", ice_status[state]);
diff --git a/tests/signal_client/signal_client.cpp b/tests/signal_client/signal_client.cpp
deleted file mode 100644
index aeac770..0000000
--- a/tests/signal_client/signal_client.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-#include "ws_client.h"
-
-#include <cstdlib>
-#include <iostream>
-#include <string>
-#include <sstream>
-
-class WsReceiver:public WsCore
-{
-public:
-    WsReceiver(){}
-    ~WsReceiver(){}
-
-    void OnReceiveMessage(const std::string &msg)
-    {
-        LOG_INFO("Receive msg: {}", msg);
-    }
-};
-
-int main()
-{
-    bool done = false;
-    std::string input;
-    WsReceiver ws_client;
-
-    LOG_INFO("connect ws://localhost:9002");
-    ws_client.Connect("ws://localhost:9002");
-
-    std::string status1 = ws_client.GetStatus();
-
-    while("Open" != status1)
-    {
-        status1 = ws_client.GetStatus();
-    }
-    
-    LOG_INFO("Connect successfully!");
-
-    LOG_INFO("Send message [Hello]");
-    ws_client.Send("Hello");
-
-    LOG_INFO("Send ping");
-    ws_client.Ping();
-
-    LOG_INFO("Close conneciton");
-    int close_code = websocketpp::close::status::normal;
-    std::string reason = "User Close";
-    ws_client.Close(close_code, reason);
-
-    getchar();
-    return 0;
-}
\ No newline at end of file
diff --git a/xmake.lua b/xmake.lua
index 19de16f..0ec30ed 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -14,10 +14,10 @@ add_defines("ASIO_STANDALONE", "ASIO_HAS_STD_TYPE_TRAITS", "ASIO_HAS_STD_SHARED_
     "ASIO_HAS_STD_ADDRESSOF", "ASIO_HAS_STD_ATOMIC", "ASIO_HAS_STD_CHRONO", "ASIO_HAS_CSTDINT", "ASIO_HAS_STD_ARRAY",
     "ASIO_HAS_STD_SYSTEM_ERROR")
 
-if is_plat("windows") then
+if is_os("windows") then
     add_defines("_WEBSOCKETPP_CPP11_INTERNAL_")
     add_links("ws2_32", "Bcrypt")
-elseif is_plat("linux") then 
+elseif is_os("linux") then 
     add_links("pthread")
     set_config("cxxflags", "-fPIC")
 end
@@ -73,13 +73,6 @@ target("signal_server")
     add_packages("asio", "nlohmann_json", "spdlog")
     add_includedirs("thirdparty/websocketpp/include")
 
--- target("signal_client")
---     set_kind("binary")
---     add_deps("ws")
---     add_files("tests/signal_client/signal_client.cpp")
---     add_packages("asio")
---     add_includedirs("src/ws", "thirdparty/websocketpp/include")
-
 target("Offer")
     set_kind("binary")
     add_deps("projectx")