diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64a308e..79247e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,11 @@
 PROJECT(CPPJIEBA)
 
-CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
+CMAKE_MINIMUM_REQUIRED (VERSION 2.6)
 
 if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
     set (CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "default install path" FORCE )
 endif()
-ADD_DEFINITIONS(-std=c++0x -O3 -Wall -g)
+ADD_DEFINITIONS(-O3 -Wall -g)
 IF (DEFINED ENC)
     ADD_DEFINITIONS(-DCPPJIEBA_${ENC})
 ENDIF()
diff --git a/conf/server.conf b/conf/server.conf
index c0bc4c6..964a389 100644
--- a/conf/server.conf
+++ b/conf/server.conf
@@ -3,8 +3,6 @@
 #socket listen port
 port=11200
 
-#number of thread
-thread_num=4
 
 #deamonize
 daemonize=true
diff --git a/src/Husky/EpollServer.hpp b/src/Husky/EpollServer.hpp
new file mode 100644
index 0000000..77a47ce
--- /dev/null
+++ b/src/Husky/EpollServer.hpp
@@ -0,0 +1,281 @@
+#ifndef HUSKY_EPOLLSERVER_H 
+#define HUSKY_EPOLLSERVER_H 
+
+#include <stdio.h>
+#include <string.h>
+
+#include <cassert>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <vector>
+#include <sys/epoll.h>
+#include <fcntl.h>
+#include "HttpReqInfo.hpp"
+
+
+
+namespace Husky
+{
+    using namespace Limonp;
+
+    const char* const HTTP_FORMAT = "HTTP/1.1 200 OK\r\nConnection: close\r\nServer: HuskyServer/1.0.0\r\nContent-Type: text/json; charset=%s\r\nContent-Length: %d\r\n\r\n%s";
+    const char* const CHARSET_UTF8 = "UTF-8";
+    const char* const CLIENT_IP_K = "CLIENT_IP"; 
+
+    const struct linger LNG = {1, 1};
+    const struct timeval SOCKET_TIMEOUT = {5, 0};
+
+    class IRequestHandler
+    {
+        public:
+            virtual ~IRequestHandler(){};
+        public:
+            virtual bool do_GET(const HttpReqInfo& httpReq, string& res) const = 0;
+    };
+
+    class EpollServer
+    {
+        private:
+            static const size_t LISTEN_QUEUE_LEN = 1024;
+            static const size_t RECV_BUFFER_SIZE = 1024 * 8;
+            static const int MAXEPOLLSIZE = 512;
+
+        private:
+            const IRequestHandler* _reqHandler;
+            int _host_socket;
+            int _epoll_fd;
+            bool _isShutDown;
+            int _epollSize;
+            unordered_map<int, string> _sockIpMap;
+        private:
+            bool _isInited;
+            bool _getInitFlag() const {return _isInited;}
+            bool _setInitFlag(bool flag) {return _isInited = flag;} 
+        public:
+            explicit EpollServer(uint port, const IRequestHandler* pHandler): _reqHandler(pHandler), _host_socket(-1), _isShutDown(false), _epollSize(0)
+            {
+                assert(_reqHandler);
+                _setInitFlag(_init_epoll(port));
+            };
+            ~EpollServer(){};// unfinished;
+        public:
+            operator bool() const
+            {
+                return _getInitFlag();
+            }
+        public:
+            bool start()
+            {
+                //int clientSock;
+                sockaddr_in clientaddr;
+                socklen_t nSize = sizeof(clientaddr);
+                //char recvBuf[RECV_BUFFER_SIZE];
+                struct epoll_event events[MAXEPOLLSIZE];
+                int nfds, clientSock;
+                
+                while(!_isShutDown)
+                {
+                    if(-1 == (nfds = epoll_wait(_epoll_fd, events, _epollSize, -1)))
+                    {
+                        LogFatal(strerror(errno));
+                        return false;
+                    }
+
+                    //LogDebug("epoll_wait return event sum[%d]", nfds);
+                    
+                    for(int i = 0; i < nfds; i++)
+                    {
+                        if(events[i].data.fd == _host_socket) /*new connect coming.*/
+                        {
+                            if(-1 == (clientSock = accept(_host_socket, (struct sockaddr*) &clientaddr, &nSize)))
+                            {
+                                LogError(strerror(errno));
+                                continue;
+                            }
+                            if(!_epoll_add(clientSock, EPOLLIN | EPOLLET))
+                            {
+                                LogError("_epoll_add(%d, EPOLLIN | EPOLLET)", clientSock);
+                                _closesocket(clientSock);
+                                continue;
+                            }
+
+                            //LogInfo("connecting from: %d:%d， client socket: %d\n", inet_ntoa(clientaddr.sin_addr), ntohs(clientaddr.sin_port), clientSock);
+                            
+                            /* inet_ntoa is not thread safety at some version  */
+                            //_sockIpMap[clientSock] = inet_ntoa(clientaddr.sin_addr);
+
+                        }
+                        else /*client socket data to be received*/
+                        {
+                            _response(events[i].data.fd);
+
+                            /*close socket will case it to be removed from epoll automatically*/
+                            _closesocket(events[i].data.fd);
+                        }
+                    }
+                    
+                }
+                return true;
+            }
+            void stop()
+            {
+                _isShutDown = true;
+                if(-1 == close(_host_socket))
+                {
+                    LogError(strerror(errno));
+                    return;
+                }
+                int sockfd;
+                struct sockaddr_in dest;
+                if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+                {
+                    LogError(strerror(errno));
+                    return;
+                }
+                bzero(&dest, sizeof(dest));
+                dest.sin_family = AF_INET;
+                dest.sin_port = htons(_host_socket);
+                if(0 == inet_aton("127.0.0.1", (struct in_addr *) &dest.sin_addr.s_addr))
+                {
+                    LogError(strerror(errno));
+                    return;
+                }
+                if(connect(sockfd, (struct sockaddr *) &dest, sizeof(dest)) < 0)
+                {
+                    LogError(strerror(errno));
+                }
+                _closesocket(sockfd);
+            }
+        private:
+            bool _epoll_add(int sockfd, uint32_t events)
+            {
+                if (!_setNonBLock(sockfd)) 
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+                struct epoll_event ev;
+                ev.data.fd = sockfd;
+                ev.events = events;
+                if(epoll_ctl(_epoll_fd, EPOLL_CTL_ADD, sockfd, &ev) < 0)
+                {
+                    LogError("insert socket '%d' into epoll failed: %s", sockfd, strerror(errno));
+                    return false;
+                }
+                _epollSize ++;
+                return true;
+            }
+            bool _response(int sockfd) const
+            {
+                if(-1 == setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&LNG, sizeof(LNG)))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+                if(-1 == setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&SOCKET_TIMEOUT, sizeof(SOCKET_TIMEOUT)))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+                if(-1 == setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, (const char*)&SOCKET_TIMEOUT, sizeof(SOCKET_TIMEOUT)))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+
+                string strRec, strSnd, strRetByHandler;
+                strRec.resize(RECV_BUFFER_SIZE);
+                int nRetCode = recv(sockfd, (char*)strRec.c_str(), strRec.size(), 0);
+                if(-1 == nRetCode)
+                {
+                    LogDebug(strerror(errno));
+                    return false;
+                }
+                if(0 == nRetCode)
+                {
+                    LogDebug("client socket closed gracefully.");
+                    return false;
+                }
+
+                HttpReqInfo httpReq(strRec);
+                if(!_reqHandler->do_GET(httpReq, strRetByHandler))
+                {
+                    LogError("do_GET failed.");
+                    return false;
+                }
+                string_format(strSnd, HTTP_FORMAT, CHARSET_UTF8, strRetByHandler.length(), strRetByHandler.c_str());
+                if(-1 == send(sockfd, strSnd.c_str(), strSnd.length(), 0))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+                LogInfo("{response:%s, epollsize:%d}", strRetByHandler.c_str(), _epollSize);
+                return true;
+            }
+            bool _init_epoll(uint port)
+            { 
+                _host_socket = socket(AF_INET, SOCK_STREAM, 0);
+                if(-1 == _host_socket)
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+
+                int nRet = 1;
+                if(-1 == setsockopt(_host_socket, SOL_SOCKET, SO_REUSEADDR, (char*)&nRet, sizeof(nRet)))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+
+                struct sockaddr_in addrSock;
+                addrSock.sin_family = AF_INET;
+                addrSock.sin_port = htons(port);
+                addrSock.sin_addr.s_addr = htonl(INADDR_ANY);
+                if(-1 == ::bind(_host_socket, (sockaddr*)&addrSock, sizeof(sockaddr)))
+                {
+                    LogError(strerror(errno));
+                    _closesocket(_host_socket);
+                    return false;
+                }
+                if(-1 == listen(_host_socket, LISTEN_QUEUE_LEN))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+
+                if(-1 == (_epoll_fd = epoll_create(MAXEPOLLSIZE)))
+                {
+                    LogError(strerror(errno));
+                    return false;
+                }
+                if(!_epoll_add(_host_socket, EPOLLIN))
+                {
+                    LogError("_epoll_add(%d, EPOLLIN) failed.", _host_socket);
+                    return false;
+                }
+                LogInfo("create socket listening port[%u], epoll{size:%d} init ok", port, _epollSize);
+                return true;
+            }
+            void _closesocket(int sockfd)
+            {
+                if(-1 == close(sockfd))
+                {
+                    LogError(strerror(errno));
+                    return;
+                }
+                _epollSize--;
+            }
+            static bool _setNonBLock(int sockfd)
+            {
+                return -1 != fcntl(sockfd, F_SETFL, fcntl(sockfd, F_GETFD, 0)|O_NONBLOCK);
+            }
+    };
+}
+#endif
diff --git a/src/Husky/HttpReqInfo.hpp b/src/Husky/HttpReqInfo.hpp
index 2d52b73..7585a28 100644
--- a/src/Husky/HttpReqInfo.hpp
+++ b/src/Husky/HttpReqInfo.hpp
@@ -4,6 +4,7 @@
 #include <iostream>
 #include <string>
 #include "Limonp/logger.hpp"
+#include "Limonp/str_functs.hpp"
 
 namespace Husky
 {
@@ -76,22 +77,22 @@ namespace Husky
     class HttpReqInfo
     {
         public:
-            bool load(const string& headerStr)
+            HttpReqInfo(const string& headerStr)
             {
                 size_t lpos = 0, rpos = 0;
                 vector<string> buf;
                 rpos = headerStr.find("\n", lpos);
                 if(string::npos == rpos)
                 {
-                    LogFatal("headerStr illegal.");
-                    return false;
+                    LogError("headerStr illegal.");
+                    return;
                 }
                 string firstline(headerStr, lpos, rpos - lpos);
                 trim(firstline);
                 if(!split(firstline, buf, " ") || 3 != buf.size())
                 {
-                    LogFatal("parse header first line failed.");
-                    return false;
+                    LogError("parse header first line failed.");
+                    return;
                 }
                 _headerMap[KEY_METHOD] = trim(buf[0]); 
                 _headerMap[KEY_PATH] = trim(buf[1]); 
@@ -103,12 +104,11 @@ namespace Husky
                     _parseUrl(firstline, _methodGetMap);
                 }
 
-
                 lpos = rpos + 1;
                 if(lpos >= headerStr.size())
                 {
-                    LogFatal("headerStr illegal");
-                    return false;
+                    LogError("headerStr illegal");
+                    return;
                 }
                 //message header begin
                 while(lpos < headerStr.size() && string::npos != (rpos = headerStr.find('\n', lpos)) && rpos > lpos)
@@ -125,8 +125,8 @@ namespace Husky
                     trim(v);
                     if(k.empty()||v.empty())
                     {
-                        LogFatal("headerStr illegal.");
-                        return false;
+                        LogError("headerStr illegal.");
+                        return;
                     }
                     upper(k);
                     _headerMap[k] = v;
@@ -136,7 +136,6 @@ namespace Husky
 
                 //body begin
 
-                return true;
             }
         public:
             string& operator[] (const string& key)
@@ -156,15 +155,15 @@ namespace Husky
                 return _find(_methodPostMap, argKey, res);
             }
         private:
-            HashMap<string, string> _headerMap;
-            HashMap<string, string> _methodGetMap;
-            HashMap<string, string> _methodPostMap;
+            std::unordered_map<string, string> _headerMap;
+            std::unordered_map<string, string> _methodGetMap;
+            std::unordered_map<string, string> _methodPostMap;
             //public:
             friend ostream& operator<<(ostream& os, const HttpReqInfo& obj);
         private:
-            bool _find(const HashMap<string, string>& mp, const string& key, string& res)const
+            bool _find(const std::unordered_map<string, string>& mp, const string& key, string& res)const
             {
-                HashMap<string, string>::const_iterator it = mp.find(key);
+                std::unordered_map<string, string>::const_iterator it = mp.find(key);
                 if(it == mp.end())
                 {
                     return false;
@@ -173,7 +172,7 @@ namespace Husky
                 return true;
             }
         private:
-            bool _parseUrl(const string& url, HashMap<string, string>& mp)
+            bool _parseUrl(const string& url, std::unordered_map<string, string>& mp)
             {
                 if(url.empty())
                 {
diff --git a/src/Husky/HuskyServer.hpp b/src/Husky/HuskyServer.hpp
deleted file mode 100644
index 9df6f81..0000000
--- a/src/Husky/HuskyServer.hpp
+++ /dev/null
@@ -1,300 +0,0 @@
-#ifndef HUSKY_SERVERFRAME_H 
-#define HUSKY_SERVERFRAME_H 
-
-#include <stdio.h>
-#include <string.h>
-
-#include <cassert>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <pthread.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <vector>
-#include "ThreadManager.hpp"
-#include "HttpReqInfo.hpp"
-
-#define INVALID_SOCKET  -1 
-#define SOCKET_ERROR    -1 
-#define closesocket     close
-#define  RECV_BUFFER     10240
-#define  LISEN_QUEUR_LEN 1024
-
-
-namespace Husky
-{
-    using namespace Limonp;
-    typedef	int SOCKET;
-    const struct timeval SOCKET_TIMEOUT = {2, 0};
-    const char* const RESPONSE_FORMAT = "HTTP/1.1 200 OK\r\nConnection: close\r\nServer: HuskyServer/1.0.0\r\nContent-Type: text/json; charset=%s\r\nContent-Length: %d\r\n\r\n";
-    const char* const RESPONSE_CHARSET_UTF8 = "UTF-8";
-    const char* const RESPONSE_CHARSET_GB2312 = "GB2312";
-    const char* const CLIENT_IP_K = "CLIENT_IP"; 
-    typedef unsigned short  u_short;
-    typedef unsigned int    u_int;
-
-    class IRequestHandler 
-    {
-        public:
-            virtual ~IRequestHandler(){};
-        public:
-            virtual bool do_GET(const HttpReqInfo& httpReq, string& res) = 0;
-
-    };
-
-    struct SPara
-    {
-        SOCKET hSock;
-        IRequestHandler * pHandler;
-        pthread_mutex_t * ppmAccept;
-        bool * pShutdown;
-    };
-
-    class HuskyServer
-    {
-        private:
-            pthread_mutex_t m_pmAccept;
-            bool m_bShutdown;
-        public:
-            explicit HuskyServer(unsigned nPort, unsigned nThreadCount, IRequestHandler* pHandler)
-            {
-                m_bShutdown = false;
-                m_nLsnPort = nPort;
-                m_nThreadCount = nThreadCount;
-                m_pHandler = pHandler;
-                assert(pHandler);
-                pthread_mutex_init(&m_pmAccept,NULL);
-            };
-            virtual ~HuskyServer(){pthread_mutex_destroy(&m_pmAccept);};
-            virtual bool init()  
-            {
-
-                if (!BindToLocalHost(m_lsnSock,m_nLsnPort))
-                {
-                    LogFatal("BindToLocalHost failed.");
-                    return false;
-                }
-                LogInfo("init ok {port:%d, threadNum:%d}", m_nLsnPort, m_nThreadCount);
-
-                return true;
-            }
-            virtual bool dispose()    
-            {
-                m_bShutdown=true;
-                if (SOCKET_ERROR==closesocket(m_lsnSock))
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }
-
-                int sockfd;
-                struct sockaddr_in dest;
-
-                if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }
-
-                bzero(&dest, sizeof(dest));
-                dest.sin_family = AF_INET;
-                dest.sin_port = htons(m_nLsnPort);
-                if (inet_aton("127.0.0.1", (struct in_addr *) &dest.sin_addr.s_addr) == 0)
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }
-
-                if (connect(sockfd, (struct sockaddr *) &dest, sizeof(dest)) < 0)
-                {
-                    LogError("error [%s]", strerror(errno));
-                }
-                close(sockfd);
-                return true;
-            }
-            virtual bool run()
-            {
-                if(SOCKET_ERROR==listen(m_lsnSock,LISEN_QUEUR_LEN))
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }	
-                ThreadManager thrMngr;	
-                int i;
-                SPara para;
-                para.hSock=m_lsnSock;
-                para.pHandler=m_pHandler;
-                para.ppmAccept=&m_pmAccept;
-                para.pShutdown=&m_bShutdown;
-                for (i=0;i<m_nThreadCount;i++)
-                {		
-                    if (0!=thrMngr.CreateThread(ServerThread, &para))
-                    {
-                        break;	
-                    }		
-                }	
-                LogDebug("expect thread count %d, real count %d",m_nThreadCount,i);
-                if(i==0)	
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }
-
-                LogInfo("server start to run.........");
-
-                if (thrMngr.WaitMultipleThread()!=0)
-                {
-                    return false;
-                }
-                return true;
-
-            }
-
-        protected:
-
-            bool BindToLocalHost(SOCKET &sock,u_short nPort)   
-            {
-                sock=socket(AF_INET,SOCK_STREAM,0);
-                if(INVALID_SOCKET==sock)
-                {
-                    LogError("error [%s]", strerror(errno));
-                    return false;
-                }
-
-                int nRet = 1;
-                if(SOCKET_ERROR==setsockopt(m_lsnSock, SOL_SOCKET, SO_REUSEADDR, (char*)&nRet, sizeof(nRet)))
-                {	
-                    LogError("error [%s]", strerror(errno));
-                }
-
-                struct sockaddr_in addrSock;
-                addrSock.sin_family=AF_INET;
-                addrSock.sin_port=htons(nPort);
-                addrSock.sin_addr.s_addr=htonl(INADDR_ANY);
-                int retval;
-                retval = ::bind(sock,(sockaddr*)&addrSock,sizeof(sockaddr));
-                if(SOCKET_ERROR==retval)
-                {
-                    LogError("error [%s]", strerror(errno));
-                    closesocket(sock);
-                    return false;
-                }
-
-                return true;
-
-            }
-
-            static void * ServerThread(void * lpParameter )
-            {
-                SPara *pPara=(SPara*)lpParameter;
-                SOCKET hSockLsn=pPara->hSock;
-                IRequestHandler *pHandler=pPara->pHandler;
-                bool* pShutdown = pPara->pShutdown;
-                pthread_mutex_t* ppmAccept = pPara->ppmAccept;
-
-                int nRetCode;
-                linger lng;
-                char chRecvBuf[RECV_BUFFER];
-
-                SOCKET hClientSock;
-                string strHttpResp;
-
-                sockaddr_in clientaddr;
-                socklen_t nSize = sizeof(clientaddr);
-                while(!(*pShutdown))
-                {		
-                    HttpReqInfo httpReq;
-                    pthread_mutex_lock(ppmAccept);
-                    hClientSock=accept(hSockLsn,(sockaddr *)&clientaddr, &nSize);
-                    pthread_mutex_unlock(ppmAccept);
-
-                    if(hClientSock==SOCKET_ERROR)
-                    {
-                        if(!(*pShutdown))
-                          LogError("error [%s]", strerror(errno));
-                        continue;
-                    }
-
-                    httpReq[CLIENT_IP_K] = inet_ntoa(clientaddr.sin_addr);// inet_ntoa is not thread safety at some version 
-
-                    lng.l_linger=1;
-                    lng.l_onoff=1;				
-                    if(SOCKET_ERROR==setsockopt(hClientSock,SOL_SOCKET,SO_LINGER,(char*)&lng,sizeof(lng)))			
-                    {
-                        LogError("error [%s]", strerror(errno));
-                    }
-
-                    if(SOCKET_ERROR==setsockopt(hClientSock,SOL_SOCKET,SO_RCVTIMEO,(char*)&SOCKET_TIMEOUT,sizeof(SOCKET_TIMEOUT)))
-                    {
-                        LogError("error [%s]", strerror(errno));
-                    }
-
-                    if(SOCKET_ERROR==setsockopt(hClientSock,SOL_SOCKET,SO_SNDTIMEO,(char*)&SOCKET_TIMEOUT,sizeof(SOCKET_TIMEOUT)))
-                    {
-                        LogError("error [%s]", strerror(errno));
-                    }
-
-
-                    string strRec;
-                    string strSnd;
-                    memset(chRecvBuf,0,sizeof(chRecvBuf));
-                    nRetCode = recv(hClientSock, chRecvBuf, RECV_BUFFER, 0);	
-                    strRec = chRecvBuf;
-
-#ifdef HUKSY_DEBUG
-                    LogDebug("request[%s]", strRec.c_str());
-#endif
-
-                    if(SOCKET_ERROR==nRetCode)
-                    {
-                        LogDebug("error [%s]", strerror(errno));
-                        closesocket(hClientSock);
-                        continue;
-                    }
-                    if(0==nRetCode)
-                    {
-                        LogDebug("connection has been gracefully closed");
-                        closesocket(hClientSock);
-                        continue;
-                    }
-                    httpReq.load(strRec);
-
-                    pHandler->do_GET(httpReq, strSnd);
-
-                    char chHttpHeader[2048];
-
-                    sprintf(chHttpHeader, RESPONSE_FORMAT, RESPONSE_CHARSET_UTF8, int(strSnd.length()));
-
-                    strHttpResp=chHttpHeader;
-                    strHttpResp+=strSnd;
-#ifdef HUKSY_DEBUG
-                    LogDebug("response'body [%s]", strSnd.c_str());
-#endif
-
-                    if (SOCKET_ERROR==send(hClientSock,strHttpResp.c_str(),strHttpResp.length(),0))
-                    {
-                        LogError("error [%s]", strerror(errno));
-                    }
-
-
-                    closesocket(hClientSock);
-                }
-
-                return 0;
-
-            }
-
-        private:
-            u_short  m_nLsnPort;
-            u_short  m_nThreadCount;
-            SOCKET   m_lsnSock;
-            IRequestHandler *m_pHandler;
-
-    }; 
-
-
-}
-#endif
diff --git a/src/Husky/ThreadManager.hpp b/src/Husky/ThreadManager.hpp
deleted file mode 100644
index e9bf5f7..0000000
--- a/src/Husky/ThreadManager.hpp
+++ /dev/null
@@ -1,87 +0,0 @@
-#ifndef HUSKY_THREAD_MANAGER_H
-#define HUSKY_THREAD_MANAGER_H
-#include <pthread.h>
-#include <algorithm>
-#include <vector>
-#include <map>
-
-namespace Husky
-{
-    using namespace std;
-
-    class ThreadManager
-    {
-        private:
-            typedef pthread_t HANDLE;
-            typedef void *(* PThreadFunc)(void* param);
-        public:
-            ThreadManager(){;}
-            ~ThreadManager(){}
-
-            size_t HandleCount(){return _handles.size();}
-
-            void clear()
-            {
-                _handles.clear();
-            }
-
-            int CreateThread( PThreadFunc pFunc,void *pPara)
-            {	
-                pthread_t pt;
-                int nErrorCode = pthread_create(&pt,NULL,pFunc,pPara);
-                if(nErrorCode != 0)
-                  return nErrorCode;
-                _handles.push_back(pt);
-                return nErrorCode;
-
-            }
-
-            int Wait(HANDLE hThread = 0)
-            {
-                if( hThread == 0)//the last handle
-                {   
-                    if(!_handles.empty())
-                    {
-                        return pthread_join(_handles.back(),NULL);
-                    }
-                    else
-                      return -1;
-                }
-                else
-                {
-                    if (find(_handles.begin(),_handles.end(),hThread) == _handles.end())
-                    {
-                        return -1;
-                    }
-
-                    return pthread_join(hThread, NULL);
-                }
-
-            }
-
-            int WaitMultipleThread()
-            {
-                if (_handles.empty())		
-                  return -1;	
-                int nErrorcode;
-                for (uint i = 0; i < _handles.size(); i++)
-                {
-                    nErrorcode = pthread_join(_handles[i], NULL); 
-                    if (nErrorcode != 0)
-                      return nErrorcode;	
-                }	
-                return 0;
-            }
-
-        private:
-            vector<pthread_t> _handles; 
-
-        private:
-            ThreadManager(const ThreadManager&){;}// copy forbidden
-            void operator = (const ThreadManager &){}// copy forbidden			
-    };
-}
-
-
-
-#endif
diff --git a/src/KeywordExtractor.hpp b/src/KeywordExtractor.hpp
index 4bb1fee..cfb4645 100644
--- a/src/KeywordExtractor.hpp
+++ b/src/KeywordExtractor.hpp
@@ -3,7 +3,8 @@
 
 #include "MixSegment.hpp"
 #include <cmath>
-#include <unordered_set>
+#include <set>
+
 #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
 
 namespace CppJieba
diff --git a/src/Limonp/ArgvContext.hpp b/src/Limonp/ArgvContext.hpp
index dba3997..371af7b 100644
--- a/src/Limonp/ArgvContext.hpp
+++ b/src/Limonp/ArgvContext.hpp
@@ -9,7 +9,6 @@
 #include <set>
 #include <sstream>
 #include "str_functs.hpp"
-#include "map_functs.hpp"
 
 namespace Limonp
 {
diff --git a/src/Limonp/logger.hpp b/src/Limonp/logger.hpp
index aa63199..1da9519 100644
--- a/src/Limonp/logger.hpp
+++ b/src/Limonp/logger.hpp
@@ -26,7 +26,7 @@
 namespace Limonp
 {
     using namespace std;
-    enum {LL_DEBUG = 0, LL_INFO = 1, LL_WARN = 2, LL_ERROR = 3, LL_FATAL = 4, LEVEL_ARRAY_SIZE = 5, CSTR_BUFFER_SIZE = 1024};
+    enum {LL_DEBUG = 0, LL_INFO = 1, LL_WARN = 2, LL_ERROR = 3, LL_FATAL = 4, LEVEL_ARRAY_SIZE = 5, CSTR_BUFFER_SIZE = 32};
     static const char * LOG_LEVEL_ARRAY[LEVEL_ARRAY_SIZE]= {"DEBUG","INFO","WARN","ERROR","FATAL"};
     static const char * LOG_FORMAT = "%s %s:%d %s %s\n";
     static const char * LOG_TIME_FORMAT = "%Y-%m-%d %H:%M:%S";
@@ -34,24 +34,19 @@ namespace Limonp
     class Logger
     {
         public:
-            static bool Logging(size_t level, const string& msg, const char* fileName, int lineNo)
+            static void Logging(size_t level, const string& msg, const char* fileName, int lineno)
             {
                 assert(level <= LL_FATAL);
                 char buf[CSTR_BUFFER_SIZE];
                 time_t timeNow;
                 time(&timeNow);
-                if(!strftime(buf, sizeof(buf), LOG_TIME_FORMAT, localtime(&timeNow)))
-                {
-                    fprintf(stderr, "stftime failed.\n");
-                    return false;
-                }
-                fprintf(stderr, LOG_FORMAT, buf, fileName, lineNo,LOG_LEVEL_ARRAY[level], msg.c_str());
-                return true;
+                strftime(buf, sizeof(buf), LOG_TIME_FORMAT, localtime(&timeNow));
+                fprintf(stderr, LOG_FORMAT, buf, fileName, lineno,LOG_LEVEL_ARRAY[level], msg.c_str());
             }
-            static bool LoggingF(size_t level, const char* fileName, int lineNo, const string& fmt, ...)
+            static void LoggingF(size_t level, const char* fileName, int lineno, const string& fmt, ...)
             {
 #ifdef LOGGER_LEVEL
-                if(level < LOGGER_LEVEL) return true;
+                if(level < LOGGER_LEVEL) return;
 #endif
                 int size = 256;
                 string msg;
@@ -70,7 +65,7 @@ namespace Limonp
                     else
                       size *= 2;
                 }
-                return Logging(level, msg, fileName, lineNo);
+                Logging(level, msg, fileName, lineno);
             }
     };
 }
diff --git a/src/Limonp/map_functs.hpp b/src/Limonp/map_functs.hpp
deleted file mode 100644
index d42c0c0..0000000
--- a/src/Limonp/map_functs.hpp
+++ /dev/null
@@ -1,46 +0,0 @@
-/************************************
- * file enc : ascii
- * author   : wuyanyi09@gmail.com
- ************************************/
-
-
-#ifndef LIMONP_MAP_FUNCTS_H
-#define LIMONP_MAP_FUNCTS_H
-
-#include <map>
-#include <set>
-#include <vector>
-#include <iostream>
-#include <sstream>
-
-#include <unordered_map>
-#define HashMap std::unordered_map
-
-namespace Limonp
-{
-    using namespace std;
-
-    template<class kT, class vT>
-        vT getMap(const map<kT, vT>& mp, const kT & key, const vT & defaultVal)
-        {
-            typename map<kT, vT>::const_iterator it;
-            it = mp.find(key);
-            if(mp.end() == it)
-            {
-                return defaultVal;
-            }
-            return it->second;
-        }
-
-    template<class kT, class vT>
-        void map2Vec(const map<kT, vT>& mp, vector<pair<kT, vT> > & res)
-        {
-            typename map<kT, vT>::const_iterator it = mp.begin();
-            for(; it != mp.end(); it++)
-            {
-                res.push_back(*it);
-            }
-        }
-}
-
-#endif
diff --git a/src/Limonp/std_outbound.hpp b/src/Limonp/std_outbound.hpp
index efb6e15..5131133 100644
--- a/src/Limonp/std_outbound.hpp
+++ b/src/Limonp/std_outbound.hpp
@@ -1,15 +1,29 @@
 #ifndef LIMONP_STD_OUTBOUND_H
 #define LIMONP_STD_OUTBOUND_H
 
-#include "map_functs.hpp"
 #include <map>
+
+#if(__cplusplus == 201103L)
+#include <unordered_map>
+#include <unordered_set>
+#else
+#include <tr1/unordered_map>
+#include <tr1/unordered_set>
+namespace std
+{
+    using std::tr1::unordered_map;
+    using std::tr1::unordered_set;
+}
+
+#endif
+
 #include <set>
 #include <vector>
 #include <fstream>
+#include <sstream>
 
 namespace std
 {
-    using namespace std;
     template<typename T>
         ostream& operator << (ostream& os, const vector<T>& vec)
         {
@@ -18,7 +32,7 @@ namespace std
                 return os << "[]";
             }
             os<<"[\""<<vec[0];
-            for(uint i = 1; i < vec.size(); i++)
+            for(size_t i = 1; i < vec.size(); i++)
             {
                 os<<"\", \""<<vec[i];
             }
@@ -62,14 +76,14 @@ namespace std
             return os;
         }
     template<class T1, class T2>
-        ostream& operator << (ostream& os, const HashMap<T1, T2>& mp)
+        ostream& operator << (ostream& os, const std::unordered_map<T1, T2>& mp)
         {
             if(mp.empty())
             {
                 return os << "{}";
             }
             os<<'{';
-            typename HashMap<T1, T2>::const_iterator it = mp.begin();
+            typename std::unordered_map<T1, T2>::const_iterator it = mp.begin();
             os<<*it;
             it++;
             while(it != mp.end())
diff --git a/src/Limonp/str_functs.hpp b/src/Limonp/str_functs.hpp
index 12b57d7..221b8d0 100644
--- a/src/Limonp/str_functs.hpp
+++ b/src/Limonp/str_functs.hpp
@@ -22,7 +22,6 @@
 #include <iterator>
 #include <algorithm>
 #include "std_outbound.hpp"
-#include "map_functs.hpp"
 
 #define print(x) cout<< #x": " << x <<endl
 
diff --git a/src/server.cpp b/src/server.cpp
index 521743d..551a215 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -5,7 +5,7 @@
 #include <string.h>
 #include "Limonp/Config.hpp"
 #include "Limonp/io_functs.hpp"
-#include "Husky/HuskyServer.hpp"
+#include "Husky/EpollServer.hpp"
 #include "MPSegment.hpp"
 #include "HMMSegment.hpp"
 #include "MixSegment.hpp"
@@ -19,7 +19,7 @@ class ReqHandler: public IRequestHandler
         ReqHandler(const string& dictPath, const string& modelPath): _segment(dictPath, modelPath){};
         virtual ~ReqHandler(){};
     public:
-        virtual bool do_GET(const HttpReqInfo& httpReq, string& strSnd)
+        virtual bool do_GET(const HttpReqInfo& httpReq, string& strSnd) const
         {
             string sentence, tmp;
             vector<string> words;
@@ -45,7 +45,6 @@ bool run(int argc, char** argv)
         return false;
     }
     unsigned int port = 0;
-    unsigned int threadNum = 0; 
     string dictPath;
     string modelPath;
     string val;
@@ -55,12 +54,6 @@ bool run(int argc, char** argv)
         return false;
     }
     port = atoi(val.c_str());
-    if(!conf.get("thread_num", val))
-    {
-        LogFatal("conf get thread_num failed.");
-        return false;
-    }
-    threadNum = atoi(val.c_str());
 
     if(!conf.get("dict_path", dictPath))
     {
@@ -92,8 +85,8 @@ bool run(int argc, char** argv)
     }
 
     ReqHandler reqHandler(dictPath, modelPath);
-    HuskyServer sf(port, threadNum, &reqHandler);
-    return sf.init() && sf.run();
+    EpollServer sf(port, &reqHandler);
+    return sf.start();
 }
 
 int main(int argc, char* argv[])