diff --git a/server/gameserver/GCListener.cc b/server/gameserver/GCListener.cc
index fa03793..7ad4156 100644
--- a/server/gameserver/GCListener.cc
+++ b/server/gameserver/GCListener.cc
@@ -100,7 +100,7 @@ public:
             header.size =
                 ((header.size & 0x00FF) << 8) +
                 ((header.size & 0xFF00) >> 8);
-            if (buflen - offset < sizeof(ClientPktHeader) + header.size) {
+            if (buflen - offset < sizeof(ClientPktHeader) + header.size - 4) {
                 break;
             }
             header.size -= 4;
diff --git a/server/gameserver/global.cc b/server/gameserver/global.cc
index ed1ba1d..440c3df 100755
--- a/server/gameserver/global.cc
+++ b/server/gameserver/global.cc
@@ -35,6 +35,9 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
                     if ((size_t)hdr.offset + fixed_len > (size_t)hdr.buflen) {
                         abort();
                     }
+                    std::string val(&hdr.buf[hdr.offset], fixed_len);
+                    reflection->SetString(msg, field_desc, val);
+                    hdr.offset += val.size() + 1;
                 } else {
                     if ((size_t)hdr.offset > (size_t)hdr.buflen) {
                         abort();
diff --git a/server/gameserver/playermgr.cc b/server/gameserver/playermgr.cc
index f1c5ac5..0f51920 100644
--- a/server/gameserver/playermgr.cc
+++ b/server/gameserver/playermgr.cc
@@ -1,6 +1,7 @@
 #include "precompile.h"
 
 #include "playermgr.h"
+#include "cs_proto.pb.h"
 
 void PlayerMgr::Init()
 {
@@ -14,7 +15,7 @@ void PlayerMgr::UnInit()
 
 void PlayerMgr::_CMAuthSession(f8::MsgHdr& hdr, const cs::CMAuthSession& msg)
 {
-
+    std::string digest = msg.digest();
 }
 
 int PlayerMgr::OnlineNum()
diff --git a/server/tools/protobuild/cs_msgid.proto b/server/tools/protobuild/cs_msgid.proto
index b67751b..9d2ba1e 100644
--- a/server/tools/protobuild/cs_msgid.proto
+++ b/server/tools/protobuild/cs_msgid.proto
@@ -1,7 +1,7 @@
 package cs;
 
 //消息id定义
-enum CMessageId_e
+enum CMMessageId_e
 {
     _CMAuthSession = 0x1ED;
 }