diff --git a/src/mqtt_client_wrapper.cpp b/src/mqtt_client_wrapper.cpp
index a1ba0aa..8441459 100644
--- a/src/mqtt_client_wrapper.cpp
+++ b/src/mqtt_client_wrapper.cpp
@@ -54,12 +54,6 @@ static void send_heartbeat()
         channels.push_back(item);
     }
 
-    nlohmann::json hb;
-    hb["timestamp"] = ms;
-    hb["status"] = (running_count == 0) ? 0                                  // 全部失败
-                                        : (running_count == total ? 1 : 2);  // 全部正常 or 部分异常
-    hb["channels"] = channels;
-
     // ===== 新增：读取 radio 信息（线程安全，返回拷贝）=====
     RadioInfo ri = get_radio_info();