diff --git a/server/masterserver/GGListener.cc b/server/masterserver/GGListener.cc
index 6129e3c..2a79f49 100644
--- a/server/masterserver/GGListener.cc
+++ b/server/masterserver/GGListener.cc
@@ -28,13 +28,14 @@ public:
                 if (buflen - offset < sizeof(f8::PackHead) + p->packlen) {
                     break;
                 }
-                App::Instance()->AddSocketMsg(SF_GameGate,
-                                              socket_handle,
-                                              saddr,
-                                              p->msgid,
-                                              p->seqid,
-                                              &buf[offset + sizeof(f8::PackHead)],
-                                              p->packlen);
+                f8::App::Instance()->AddSocketMsg
+                    (SF_GameGate,
+                     socket_handle,
+                     saddr,
+                     p->msgid,
+                     p->seqid,
+                     &buf[offset + sizeof(f8::PackHead)],
+                     p->packlen);
                 offset += sizeof(f8::PackHead) + p->packlen;
             } else {
                 warning = true;
diff --git a/server/masterserver/app.cc b/server/masterserver/app.cc
index b9bec93..d4be168 100755
--- a/server/masterserver/app.cc
+++ b/server/masterserver/app.cc
@@ -1,11 +1,5 @@
 #include "precompile.h"
 
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include <mutex>
-#include <condition_variable>
-
 #include <a8/uuid.h>
 
 #include <f8/netmsghandler.h>
@@ -22,18 +16,6 @@
 #include "ss_msgid.pb.h"
 #include "ss_proto.pb.h"
 
-struct MsgNode
-{
-    SocketFrom_e sockfrom;
-    int sockhandle;
-    unsigned short msgid;
-    unsigned int seqid;
-    long ip_saddr;
-    char* buf;
-    int buflen;
-    MsgNode* next;
-};
-
 static void SavePerfLog()
 {
     f8::UdpLog::Instance()->Info("max_mainloop_rundelay:%d",
@@ -51,8 +33,6 @@ const std::string App::GetPkgName()
 
 void App::Init()
 {
-    msg_mutex_ = std::make_shared<std::mutex>();
-
     HandlerMgr::Instance()->Init();
     JsonDataMgr::Instance()->Init();
     GGListener::Instance()->Init();
@@ -88,43 +68,8 @@ void App::Update()
     SlowerExecute();
 }
 
-void App::AddSocketMsg(SocketFrom_e sockfrom,
-                       int sockhandle,
-                       long ip_saddr,
-                       unsigned short msgid,
-                       unsigned int seqid,
-                       const char *msgbody,
-                       int bodylen)
-{
-    MsgNode *p = (MsgNode*) malloc(sizeof(MsgNode));
-    memset(p, 0, sizeof(MsgNode));
-    p->sockfrom = sockfrom;
-    p->ip_saddr = ip_saddr;
-    p->sockhandle = sockhandle;
-    p->msgid = msgid;
-    p->seqid = seqid;
-    p->buf = nullptr;
-    p->buflen = bodylen;
-    if (bodylen > 0) {
-        p->buf = (char*)malloc(bodylen);
-        memmove(p->buf, msgbody, bodylen);
-    }
-    msg_mutex_->lock();
-    if (bot_node_) {
-        bot_node_->next = p;
-        bot_node_ = p;
-    } else {
-        top_node_ = p;
-        bot_node_ = p;
-    }
-    ++msgnode_size_;
-    msg_mutex_->unlock();
-    f8::App::Instance()->NotifyLoopCond();
-}
-
 void App::QuickExecute()
 {
-    DispatchMsg();
 }
 
 void App::SlowerExecute()
@@ -133,78 +78,31 @@ void App::SlowerExecute()
 
 bool App::HasTask()
 {
-    {
-        if (!work_node_) {
-            msg_mutex_->lock();
-            if (!work_node_ && top_node_) {
-                work_node_ = top_node_;
-                top_node_ = nullptr;
-                bot_node_ = nullptr;
-            }
-            msg_mutex_->unlock();
-        }
-        if (work_node_) {
-            return true;
-        }
-    }
     return false;
 }
 
-void App::DispatchMsg()
-{
-    long long starttick = a8::XGetTickCount();
-    if (!work_node_ && top_node_) {
-        msg_mutex_->lock();
-        work_node_ = top_node_;
-        top_node_ = nullptr;
-        bot_node_ = nullptr;
-        working_msgnode_size_ = msgnode_size_;
-        msg_mutex_->unlock();
-    }
-
-    f8::MsgHdr hdr;
-    while (work_node_) {
-        MsgNode *pdelnode = work_node_;
-        work_node_ = pdelnode->next;
-        hdr.msgid = pdelnode->msgid;
-        hdr.seqid = pdelnode->seqid;
-        hdr.socket_handle = pdelnode->sockhandle;
-        hdr.buf = pdelnode->buf;
-        hdr.buflen = pdelnode->buflen;
-        hdr.offset = 0;
-        hdr.ip_saddr = pdelnode->ip_saddr;
-        switch (pdelnode->sockfrom) {
-        case SF_GameGate:
-            {
-                ProcessGameGateMsg(hdr);
-            }
-            break;
-        }
-        if (pdelnode->buf) {
-            free(pdelnode->buf);
-        }
-        free(pdelnode);
-        working_msgnode_size_--;
-        if (a8::XGetTickCount() - starttick > 200) {
-            break;
-        }
-    }//end while
-
-    if (!work_node_) {
-        working_msgnode_size_ = 0;
-    }
-}
-
-void App::ProcessGameGateMsg(f8::MsgHdr& hdr)
+void App::ProcessGameGateMsg(f8::MsgHdr* hdr)
 {
     f8::NetMsgHandler* handler = f8::GetNetMsgHandler
         (&HandlerMgr::Instance()->ggmsghandler,
-         hdr.msgid);
+         hdr->msgid);
     if (handler) {
         switch (handler->handlerid) {
         case HID_GSMgr:
-            ProcessNetMsg(handler, GSMgr::Instance(), hdr);
+            ProcessNetMsg(handler, GSMgr::Instance(), *hdr);
             break;
         }
     }
 }
+
+void App::DispatchSocketMsg(f8::MsgHdr* hdr)
+{
+    switch (hdr->sockfrom) {
+    case SF_GameGate:
+        {
+            ProcessGameGateMsg(hdr);
+        }
+        break;
+    }
+    f8::App::Instance()->FreeSocketMsg(hdr);
+}
diff --git a/server/masterserver/app.h b/server/masterserver/app.h
index a66fcbe..1c9e907 100644
--- a/server/masterserver/app.h
+++ b/server/masterserver/app.h
@@ -4,6 +4,11 @@
 
 #include <f8/app.h>
 
+namespace f8
+{
+    struct MsgHdr;
+}
+
 struct MsgNode;
 class App : public a8::Singleton<App>, public f8::UserApp
 {
@@ -18,33 +23,14 @@ public:
     virtual void UnInit() override;
     virtual void Update() override;
     virtual bool HasTask() override;
-
-    void AddSocketMsg(SocketFrom_e sockfrom,
-                      int sockhandle,
-                      long ip_saddr,
-                      unsigned short msgid,
-                      unsigned int seqid,
-                      const char *msgbody,
-                      int bodylen);
+    virtual void DispatchSocketMsg(f8::MsgHdr* hdr) override;
 
 private:
     void QuickExecute();
     void SlowerExecute();
 
-    void DispatchMsg();
-
-    void ProcessGameGateMsg(f8::MsgHdr& hdr);
+    void ProcessGameGateMsg(f8::MsgHdr* hdr);
 
 public:
     PerfMonitor perf;
-
-private:
-
-    std::shared_ptr<std::mutex> msg_mutex_;
-    MsgNode* top_node_ = nullptr;
-    MsgNode* bot_node_ = nullptr;
-    MsgNode* work_node_ = nullptr;
-
-    int msgnode_size_ = 0 ;
-    int working_msgnode_size_ = 0;
 };
diff --git a/third_party/a8 b/third_party/a8
index 987da1b..88c5624 160000
--- a/third_party/a8
+++ b/third_party/a8
@@ -1 +1 @@
-Subproject commit 987da1b7c3e110bf15c78a28820224761c65fd39
+Subproject commit 88c56243345966d1384df0a2890e326290b97b9e