diff --git a/src/ice/ice_agent.cpp b/src/ice/ice_agent.cpp
index 39f6cef..ff4d7bd 100644
--- a/src/ice/ice_agent.cpp
+++ b/src/ice/ice_agent.cpp
@@ -117,7 +117,7 @@ int IceAgent::DestroyIceAgent() {
     nice_thread_->join();
   }
 
-  LOG_ERROR("Destroy nice agent success");
+  LOG_INFO("Destroy nice agent success");
   return 0;
 }
 
diff --git a/src/pc/peer_connection.cpp b/src/pc/peer_connection.cpp
index cf98676..bc2f25e 100644
--- a/src/pc/peer_connection.cpp
+++ b/src/pc/peer_connection.cpp
@@ -273,6 +273,7 @@ int PeerConnection::Join(const std::string &transmission_id,
   int ret = 0;
 
   password_ = password;
+  leave_ = false;
 
   transmission_id_ = transmission_id;
   ret = RequestTransmissionMemberList(transmission_id_, password);
@@ -295,6 +296,7 @@ int PeerConnection::Leave() {
   }
 
   ice_ready_ = false;
+  leave_ = true;
 
   for (auto &user_id_it : ice_transmission_list_) {
     user_id_it.second->DestroyIceTransmission();
@@ -338,8 +340,13 @@ void PeerConnection::ProcessSignal(const std::string &signal) {
           on_connection_status_(ConnectionStatus::NoSuchTransmissionId);
         }
       } else {
+        if (leave_) {
+          break;
+        }
+
         if (user_id_list_.empty()) {
           LOG_WARN("Wait for host create transmission [{}]", transmission_id);
+          std::this_thread::sleep_for(std::chrono::seconds(1));
           RequestTransmissionMemberList(transmission_id, password_);
           break;
         }
diff --git a/src/pc/peer_connection.h b/src/pc/peer_connection.h
index d0c8873..3f3bca8 100644
--- a/src/pc/peer_connection.h
+++ b/src/pc/peer_connection.h
@@ -91,7 +91,7 @@ class PeerConnection {
   std::vector<std::string> user_id_list_;
   SignalStatus signal_status_ = SignalStatus::SignalClosed;
   std::mutex signal_status_mutex_;
-  bool leave_ = false;
+  std::atomic<bool> leave_ = false;
 
  private:
   std::map<std::string, std::unique_ptr<IceTransmission>>