diff --git a/conf/config.ini b/conf/config.ini
index 755222a0..9b439414 100644
--- a/conf/config.ini
+++ b/conf/config.ini
@@ -52,6 +52,8 @@ mergeWriteMS=0
 #会直接影响rtsp/rtmp/hls/mp4/flv等协议的时间戳
 #同协议情况下不影响(例如rtsp/rtmp推流，那么播放rtsp/rtmp时不会影响时间戳)
 modifyStamp=0
+#服务器唯一id，用于触发hook时区别是哪台服务器
+mediaServerId=your_server_id
 
 [hls]
 #hls写文件的buf大小，调整参数可以提高文件io性能
diff --git a/server/WebHook.cpp b/server/WebHook.cpp
index 4d8aae39..96d06d06 100644
--- a/server/WebHook.cpp
+++ b/server/WebHook.cpp
@@ -130,7 +130,7 @@ const char *getContentType(const HttpArgs &value){
 
 static void do_http_hook(const string &url,const ArgsType &body,const function<void(const Value &,const string &)> &fun){
     GET_CONFIG(string,mediaServerId,General::kMediaServerId);
-    const_cast<ArgsType &>(body)["mediaserverid"] =  mediaServerId;
+    const_cast<ArgsType &>(body)["mediaServerId"] =  mediaServerId;
 
     GET_CONFIG(float,hook_timeoutSec,Hook::kTimeoutSec);
     HttpRequester::Ptr requester(new HttpRequester);