diff --git a/server/wsproxy/app.cc b/server/wsproxy/app.cc
index c6c0c9c..f44af55 100644
--- a/server/wsproxy/app.cc
+++ b/server/wsproxy/app.cc
@@ -31,7 +31,6 @@
 #include "ss_msgid.pb.h"
 #include "ss_proto.pb.h"
 
-
 struct MsgNode
 {
     SocketFrom_e sockfrom;