diff --git a/server/tools/protobuild/ss_proto.proto b/server/tools/protobuild/ss_proto.proto
index 28d3de4..7b6952f 100644
--- a/server/tools/protobuild/ss_proto.proto
+++ b/server/tools/protobuild/ss_proto.proto
@@ -8,6 +8,11 @@ message SS_CMPing
 {
 }
 
+message SS_SMPing
+{
+    optional int32 param1 = 1;                                                                                           optional int32 source = 2 [default = 0]; //0:tcp 1:udp
+}
+
 message SS_CMLogin_CMReConnect_CommonHead
 {
     optional int32 server_id = 1;
diff --git a/server/wsproxy/downstream.cc b/server/wsproxy/downstream.cc
index 868a806..f3aab6e 100644
--- a/server/wsproxy/downstream.cc
+++ b/server/wsproxy/downstream.cc
@@ -57,11 +57,15 @@ void DownStream::OnClose()
 
 void DownStream::ProcCMMsg(f8::MsgHdr& hdr, int tag)
 {
-    if (hdr.msgid == ss::_SS_CMPing && IsLongSession() && tag == ST_Tcp) {
+    if (hdr.msgid == ss::_SS_CMPing) {
         ss::SS_Ping msg;
-        GCListener::Instance()->SendMsgEx(socket_handle_, ss::_SS_CMPing, msg);
-        if (!long_session_wp_.expired()) {
-            long_session_wp_.lock()->UpdatePing();
+        if (IsLongSession() && tag == ST_Tcp) {
+            GCListener::Instance()->SendMsgEx(socket_handle_, ss::_SS_CMPing, msg);
+            if (!long_session_wp_.expired()) {
+                long_session_wp_.lock()->UpdatePing();
+            }
+        } else {
+
         }
         return;
     }