diff --git a/server/wsproxy/app.cc b/server/wsproxy/app.cc
index bd37b65..e7af352 100644
--- a/server/wsproxy/app.cc
+++ b/server/wsproxy/app.cc
@@ -606,3 +606,8 @@ void App::DispatchUdpMsg()
         working_msgnode_size_ = 0;
     }
 }
+
+long long App::NewUuid()
+{
+    return uuid.Generate();
+}
diff --git a/server/wsproxy/app.h b/server/wsproxy/app.h
index ff6ef8f..bfb896c 100644
--- a/server/wsproxy/app.h
+++ b/server/wsproxy/app.h
@@ -35,6 +35,7 @@ class App : public a8::Singleton<App>
 
     void NotifyLoopCond();
     bool HasFlag(int flag);
+    long long NewUuid();
 
 private:
     void QuickExecute();
diff --git a/server/wsproxy/kcpsession.cc b/server/wsproxy/kcpsession.cc
index 007b8e1..2549253 100644
--- a/server/wsproxy/kcpsession.cc
+++ b/server/wsproxy/kcpsession.cc
@@ -36,6 +36,7 @@ KcpSession::~KcpSession()
 void KcpSession::Init(int socket_handle)
 {
     socket_handle_ = socket_handle;
+    secret_key_ = App::Instance()->NewUuid();
     kcp_ = ikcp_create(socket_handle_, (void*)this);
     ikcp_wndsize(kcp_, 128, 128);
     ikcp_nodelay(kcp_, 2, 10, 2, 1);