diff --git a/src/main.cpp b/src/main.cpp
index 0a46d63..6154af2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -63,7 +63,7 @@ int main(int argc, char* argv[]) {
     try {
         DataCache data_cache;
         LiveDataCache live_data_cache;
-        MqttClient mqtt_client("tcp://mqtt-broker:1883", "edge-proxy-main-client");
+        MqttClient mqtt_client("tcp://localhost:1883", "edge-proxy-main-client");
         auto report_to_mqtt = [&](const UnifiedData& data) {
              // 使用 DataStorage 单例存储处理后的 UnifiedData 对象
             if (DataStorage::getInstance().storeProcessedData(data)) {