diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index 278d524f..978bfe6c 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -318,8 +318,6 @@ template <typename Type>
 class ServiceController {
 public:
     using Pointer = std::shared_ptr<Type>;
-    std::unordered_map<std::string, Pointer> _map;
-    mutable std::recursive_mutex _mtx;
 
     void clear() {
         decltype(_map) copy;
@@ -388,6 +386,10 @@ public:
         assert(it.second);
         return server;
     }
+
+private:
+    std::unordered_map<std::string, Pointer> _map;
+    mutable std::recursive_mutex _mtx;
 };
 
 // 拉流代理器列表  [AUTO-TRANSLATED:6dcfb11f]
@@ -1560,20 +1562,18 @@ void installWebApi() {
     api_regist("/index/api/listRtpServer",[](API_ARGS_MAP){
         CHECK_SECRET();
 
-        std::lock_guard<std::recursive_mutex> lck(s_rtp_server._mtx);
-        for (auto &pr : s_rtp_server._map) {
-            auto vec = split(pr.first, "/");
+        s_rtp_server.for_each([&val](const std::string &key, const RtpServer::Ptr &rtps) {
+            auto vec = split(key, "/");
             Value obj;
             obj["vhost"] = vec[0];
             obj["app"] = vec[1];
             obj["stream_id"] = vec[2];
-            auto& rtps = pr.second;
             obj["port"] = rtps->getPort();
             obj["ssrc"] = rtps->getSSRC();
             obj["tcp_mode"] = rtps->getTcpMode();
             obj["only_track"] = rtps->getOnlyTrack();
             val["data"].append(obj);
-        }
+        });
     });
 
     static auto start_send_rtp = [] (bool passive, API_ARGS_MAP_ASYNC) {