diff --git a/src/connection/connection.cpp b/src/connection/connection.cpp
index 8d08691..00f07c2 100644
--- a/src/connection/connection.cpp
+++ b/src/connection/connection.cpp
@@ -7,18 +7,18 @@
 #include "log.h"
 #include "platform.h"
 
-void ReceiveVideoBuffer(const char *data, size_t size, const char *user_id,
-                        size_t user_id_size) {}
+void ReceiveVideoBufferCb(const char *data, size_t size, const char *user_id,
+                          size_t user_id_size, void *user_data) {}
 
-void ReceiveAudioBuffer(const char *data, size_t size, const char *user_id,
-                        size_t user_id_size) {}
+void ReceiveAudioBufferCb(const char *data, size_t size, const char *user_id,
+                          size_t user_id_size, void *user_data) {}
 
-void ReceiveDataBuffer(const char *data, size_t size, const char *user_id,
-                       size_t user_id_size) {}
+void ReceiveDataBufferCb(const char *data, size_t size, const char *user_id,
+                         size_t user_id_size, void *user_data) {}
 
-void SignalStatus(SignalStatus status) {}
+void SignalStatusCb(SignalStatus status, void *user_data) {}
 
-void ConnectionStatus(ConnectionStatus status) {}
+void ConnectionStatusCb(ConnectionStatus status, void *user_data) {}
 
 Connection::Connection() {}
 
@@ -32,11 +32,32 @@ int Connection::DeskConnectionInit() {
   mac_addr_str_ = mac_addr_str;
 
   params_.cfg_path = f.good() ? "../../../../config/config.ini" : "config.ini";
-  params_.on_receive_video_buffer = ReceiveVideoBuffer;
-  params_.on_receive_audio_buffer = ReceiveAudioBuffer;
-  params_.on_receive_data_buffer = ReceiveDataBuffer;
-  params_.on_signal_status = SignalStatus;
-  params_.on_connection_status = ConnectionStatus;
+  params_.on_receive_video_buffer = ReceiveVideoBufferCb;
+  params_.on_receive_audio_buffer = ReceiveAudioBufferCb;
+  params_.on_receive_data_buffer = ReceiveDataBufferCb;
+
+  params_.on_signal_status = [](SignalStatus status, void *user_data) {
+    if (user_data == nullptr) {
+      return;
+    }
+
+    Connection *connection = (Connection *)user_data;
+    connection->signal_status_ = status;
+    if (SignalStatus::SignalConnecting == status) {
+      connection->signal_status_str_ = "SignalConnecting";
+    } else if (SignalStatus::SignalConnected == status) {
+      connection->signal_status_str_ = "SignalConnected";
+    } else if (SignalStatus::SignalFailed == status) {
+      connection->signal_status_str_ = "SignalFailed";
+    } else if (SignalStatus::SignalClosed == status) {
+      connection->signal_status_str_ = "SignalClosed";
+    } else if (SignalStatus::SignalReconnecting == status) {
+      connection->signal_status_str_ = "SignalReconnecting";
+    }
+  };
+
+  params_.on_connection_status = ConnectionStatusCb;
+  params_.user_data = this;
 
   peer_ = CreatePeer(&params_);
   LOG_INFO("Create peer");
diff --git a/src/connection/connection.h b/src/connection/connection.h
index ea2d20c..b30e659 100644
--- a/src/connection/connection.h
+++ b/src/connection/connection.h
@@ -48,8 +48,11 @@ class Connection {
   std::chrono::steady_clock::time_point last_frame_time_;
 #endif
 
-  std::atomic<ConnectionStatus> connection_status_{ConnectionStatus::Closed};
-  std::atomic<SignalStatus> signal_status_{SignalStatus::SignalClosed};
+ public:
+  ConnectionStatus connection_status_ = ConnectionStatus::Closed;
+  SignalStatus signal_status_ = SignalStatus::SignalClosed;
+
+  std::string signal_status_str_ = "";
 };
 
 #endif
\ No newline at end of file
diff --git a/thirdparty/projectx b/thirdparty/projectx
index 2c640db..0adaf35 160000
--- a/thirdparty/projectx
+++ b/thirdparty/projectx
@@ -1 +1 @@
-Subproject commit 2c640db2553d1e9e4da396857abf706c18049015
+Subproject commit 0adaf357ec044c7097d56276c213196111d3c7e9