diff --git a/server/wsproxy/jsondatamgr.cc b/server/wsproxy/jsondatamgr.cc
index 6a3878e..bab74b7 100644
--- a/server/wsproxy/jsondatamgr.cc
+++ b/server/wsproxy/jsondatamgr.cc
@@ -3,6 +3,7 @@
 #include <mutex>
 
 #include <f8/utils.h>
+#include <f8/udplog.h>
 
 #include "jsondatamgr.h"
 #include "app.h"
@@ -57,6 +58,24 @@ void JsonDataMgr::Init()
 
         kcp_conf_.rx_minrto = kcp_conf_json_.At("rx_minrto")->AsXValue();
         kcp_conf_.fastresend = kcp_conf_json_.At("fastresend")->AsXValue();
+
+        f8::UdpLog::Instance()->Info
+            (" kcp_conf sndwnd:%d rcvwnd:%d "
+             "nodelay:%d interval:%d resend:%d nc:%d "
+             "rx_minrto:%d fastresend:%d",
+             {
+              kcp_conf_.sndwnd,
+              kcp_conf_.rcvwnd,
+
+              kcp_conf_.nodelay,
+              kcp_conf_.interval,
+              kcp_conf_.resend,
+              kcp_conf_.nc,
+
+              kcp_conf_.rx_minrto,
+              kcp_conf_.fastresend
+             });
+
     }
 }