diff --git a/include/mqtt_client.hpp b/include/mqtt_client.hpp
index ba2b000..b2a05ba 100644
--- a/include/mqtt_client.hpp
+++ b/include/mqtt_client.hpp
@@ -38,6 +38,7 @@ private:
 
     // mqtt::callback 实现
     void connection_lost(const std::string &cause) override;
+    void connected(const std::string &cause) override;
     void message_arrived(mqtt::const_message_ptr msg) override;
     void delivery_complete(mqtt::delivery_token_ptr token) override {}
 
diff --git a/src/mqtt_client.cpp b/src/mqtt_client.cpp
index aec988c..81979c3 100644
--- a/src/mqtt_client.cpp
+++ b/src/mqtt_client.cpp
@@ -37,24 +37,18 @@ void MQTTClient::connect()
                             .password(config_.password)
                             .finalize();
 
-        auto tok = client_->connect(connOpts);       // 异步连接
-        if (!tok->wait_for(std::chrono::seconds(2))) // 设置超时
-        {
-            LOG_WARN("[MQTT] Connect timed out to broker: " + config_.server_ip);
-            startReconnect();
-            return;
-        }
+        auto tok = client_->connect(connOpts);
+        tok->wait(); // 阻塞直到连接成功或失败，不用 wait_for(2s)
 
+        LOG_INFO("[MQTT] Connected to broker: " + config_.server_ip);
         connected_ = true;
-        reconnect_active_ = false;
-
         if (on_connect_)
             on_connect_();
     }
     catch (const mqtt::exception &e)
     {
         LOG_ERROR("[MQTT] Connect failed: " + std::string(e.what()));
-        startReconnect();
+        // startReconnect();
     }
 }
 
@@ -158,9 +152,19 @@ void MQTTClient::connection_lost(const std::string &cause)
 {
     std::lock_guard<std::mutex> lock(mutex_);
     connected_ = false;
+    LOG_WARN("[MQTT] Connection lost: " + cause);
     if (on_disconnect_)
         on_disconnect_();
-    startReconnect();
+    // startReconnect();
+}
+
+void MQTTClient::connected(const std::string &cause)
+{
+    std::lock_guard<std::mutex> lock(mutex_);
+    connected_ = true;
+    LOG_INFO("[MQTT] Reconnected: " + cause);
+    if (on_connect_)
+        on_connect_();
 }
 
 void MQTTClient::message_arrived(mqtt::const_message_ptr msg)