diff --git a/server/dbproxy/GSListener.cc b/server/dbproxy/GSListener.cc
index 292dcfe..f2d53cb 100644
--- a/server/dbproxy/GSListener.cc
+++ b/server/dbproxy/GSListener.cc
@@ -12,6 +12,8 @@
 #include "ss_proto.pb.h"
 #include "handlermgr.h"
 
+const int PACK_MAX = 1024 * 1024 * 10;
+
 class GSClientSession: public a8::MixedSession
 {
 public:
@@ -24,10 +26,10 @@ public:
         is_activite = true;
         #endif
         bool warning = false;
-        while (buflen - offset >= sizeof(f8::PackHead)) {
-            f8::PackHead* p = (f8::PackHead*)&buf[offset];
+        while (buflen - offset >= sizeof(f8::BigPackHead)) {
+            f8::BigPackHead* p = (f8::BigPackHead*)&buf[offset];
             if (p->magic_code == f8::MAGIC_CODE) {
-                if (buflen - offset < sizeof(f8::PackHead) + p->packlen) {
+                if (buflen - offset < sizeof(f8::BigPackHead) + p->packlen) {
                     break;
                 }
                 App::Instance()->AddSocketMsg(SF_GameServer,
@@ -35,9 +37,9 @@ public:
                                               saddr,
                                               p->msgid,
                                               p->seqid,
-                                              &buf[offset + sizeof(f8::PackHead)],
+                                              &buf[offset + sizeof(f8::BigPackHead)],
                                               p->packlen);
-                offset += sizeof(f8::PackHead) + p->packlen;
+                offset += sizeof(f8::BigPackHead) + p->packlen;
             } else {
                 warning = true;
                 offset++;
@@ -75,6 +77,7 @@ public:
 static void CreateGameClientSocket(a8::TcpSession **p)
 {
     *p = new GSClientSession();
+    (*p)->SetMaxPacketLen(PACK_MAX);
 }
 
 static void GSListeneron_error(a8::TcpListener*, int type, int errorid)
@@ -101,18 +104,18 @@ void GSListener::UnInit()
 
 void GSListener::ForwardTargetConnMsg(f8::MsgHdr& hdr)
 {
-    char* buff = (char*)malloc(sizeof(f8::PackHead) + hdr.buflen);
-    f8::PackHead* head = (f8::PackHead*)buff;
+    char* buff = (char*)malloc(sizeof(f8::BigPackHead) + hdr.buflen);
+    f8::BigPackHead* head = (f8::BigPackHead*)buff;
     head->packlen = hdr.buflen;
     head->msgid = hdr.msgid;
     head->seqid = hdr.seqid;
     head->magic_code = f8::MAGIC_CODE;
     head->rpc_error_code = 0;
     if (hdr.buflen > 0) {
-        memmove(buff + sizeof(f8::PackHead), hdr.buf, hdr.buflen);
+        memmove(buff + sizeof(f8::BigPackHead), hdr.buf, hdr.buflen);
     }
 
-    tcp_listener_->SendClientMsg(hdr.socket_handle, buff, sizeof(f8::PackHead) + head->packlen);
+    tcp_listener_->SendClientMsg(hdr.socket_handle, buff, sizeof(f8::BigPackHead) + head->packlen);
     free(buff);
 }
 
diff --git a/third_party/a8engine b/third_party/a8engine
index bc1e1e0..ff8c006 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit bc1e1e002cdfbbac07abdf14151afb0bbd8025a8
+Subproject commit ff8c00652d5367595c4adee8f95306ae1a46236b
diff --git a/third_party/framework b/third_party/framework
index 1813384..fd72ea5 160000
--- a/third_party/framework
+++ b/third_party/framework
@@ -1 +1 @@
-Subproject commit 18133846b6672634219c080064b7a24720d17588
+Subproject commit fd72ea56059dc8545920e33d436dad5a1d3700fb