diff --git a/src/main.cpp b/src/main.cpp
index 382b985..b7df1a0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -37,7 +37,7 @@ int main()
     LOG_INFO("[MAIN] ===== Vehicle Video Service Starting =====");
 
     // 创建全局 RecordManager 实例
-    g_record_manager = std::make_shared<RecordManager>("/home/aiec/srs/conf/kun_record.conf");
+    // g_record_manager = std::make_shared<RecordManager>("/home/aiec/srs/conf/kun_record.conf");
 
     try
     {
@@ -59,20 +59,20 @@ int main()
     RTMPManager::start_all();
 
     // 启动 MQTT 线程
-    std::thread mqtt_thread(
-        []
-        {
-            try
-            {
-                LOG_INFO("[MAIN] MQTT thread started.");
-                mqtt_client_thread_func();  // 在回调里执行推流控制
-            }
-            catch (const std::exception& e)
-            {
-                LOG_ERROR(std::string("[MAIN] MQTT thread crashed: ") + e.what());
-            }
-            LOG_INFO("[MAIN] MQTT thread exiting...");
-        });
+    // std::thread mqtt_thread(
+    //     []
+    //     {
+    //         try
+    //         {
+    //             LOG_INFO("[MAIN] MQTT thread started.");
+    //             mqtt_client_thread_func();  // 在回调里执行推流控制
+    //         }
+    //         catch (const std::exception& e)
+    //         {
+    //             LOG_ERROR(std::string("[MAIN] MQTT thread crashed: ") + e.what());
+    //         }
+    //         LOG_INFO("[MAIN] MQTT thread exiting...");
+    //     });
 
     // 主循环，仅等待退出信号
     while (g_running.load(std::memory_order_relaxed)) std::this_thread::sleep_for(std::chrono::milliseconds(200));
@@ -85,11 +85,11 @@ int main()
 
     RTMPManager::stop_all();
 
-    if (mqtt_thread.joinable())
-    {
-        mqtt_thread.join();
-        LOG_INFO("[MAIN] MQTT thread joined.");
-    }
+    // if (mqtt_thread.joinable())
+    // {
+    //     mqtt_thread.join();
+    //     LOG_INFO("[MAIN] MQTT thread joined.");
+    // }
 
     LOG_INFO("[MAIN] ===== Vehicle Video Service Exited Cleanly =====");
     return 0;
diff --git a/src/rtmp_manager.cpp b/src/rtmp_manager.cpp
index eeaf696..abab4fa 100644
--- a/src/rtmp_manager.cpp
+++ b/src/rtmp_manager.cpp
@@ -114,24 +114,11 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
                                " ! mpph264enc bps=" +
                                std::to_string(bitrate) + " gop=" + std::to_string(fps) +
                                " rc-mode=cbr "
-                               " ! h264parse ! tee name=t "
-
-                               // ------ 分支1：live ------
-                               "t. ! queue max-size-buffers=5 leaky=downstream "
-                               " ! flvmux streamable=true name=mux_live "
+                               " ! h264parse "
+                               " ! queue max-size-buffers=5 leaky=downstream "
+                               " ! flvmux streamable=true "
                                " ! rtmpsink location=\"" +
-                               live_rtmp +
-                               "\" sync=false async=false "
-
-                               // ------ 分支2：record ------
-                               "t. ! queue max-size-buffers=5 leaky=downstream "
-                               " ! flvmux streamable=true name=mux_record "
-                               " ! rtmpsink location=\"" +
-                               record_rtmp +
-                               "\" sync=false async=false "
-
-                               // ------ 分支3：AI ------
-                               "t. ! queue ! fakesink sync=false";
+                               live_rtmp + "\" sync=false async=false";
 
     GError* error = nullptr;
     GstElement* pipeline = gst_parse_launch(pipeline_str.c_str(), &error);