diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 4a6029b7..8d1681b5 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 4a6029b74b4f2339e32b8c546388de51e4ec1bcb
+Subproject commit 8d1681b5bb247e7f47ae0f8c414f6eeb376b742b
diff --git a/src/Http/FileReader.cpp b/src/Http/FileReader.cpp
deleted file mode 100644
index 09abd98e..00000000
--- a/src/Http/FileReader.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
- *
- * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "FileReader.h"
-#include "Util/util.h"
-#include "Util/uv_errno.h"
-#include "Util/logger.h"
-#include "Common/config.h"
-#ifndef _WIN32
-#include <sys/mman.h>
-#endif
-
-#ifndef _WIN32
-#define ENABLE_MMAP
-#endif
-
-FileReader::FileReader(const std::shared_ptr<FILE> &fp, uint64_t offset, uint64_t max_size) {
-    _fp = fp;
-    _max_size = max_size;
-#ifdef ENABLE_MMAP
-    do {
-        int fd = fileno(fp.get());
-        if (fd < 0) {
-            WarnL << "fileno失败:" << get_uv_errmsg(false);
-            break;
-        }
-        auto ptr = (char *) mmap(NULL, max_size, PROT_READ, MAP_SHARED, fd, offset);
-        if (!ptr) {
-            WarnL << "mmap失败:" << get_uv_errmsg(false);
-            break;
-        }
-        _map_addr.reset(ptr,[max_size](char *ptr){
-            munmap(ptr,max_size);
-        });
-    } while (false);
-#endif
-    if(!_map_addr){
-        //未映射
-        fseek(fp.get(), offset, SEEK_SET);
-    }
-}
-
-FileReader::~FileReader() {
-
-}
-
-class BufferMmap : public Buffer{
-public:
-    typedef std::shared_ptr<BufferMmap> Ptr;
-    BufferMmap(const std::shared_ptr<char> &map_addr,uint64_t offset,int size){
-        _map_addr = map_addr;
-        _data = map_addr.get() + offset;
-        _size = size;
-    };
-    virtual ~BufferMmap(){};
-    //返回数据长度
-    char *data() const override {
-        return _data;
-    }
-    uint32_t size() const override{
-        return _size;
-    }
-private:
-    std::shared_ptr<char> _map_addr;
-    char *_data;
-    uint32_t _size;
-};
-Buffer::Ptr FileReader::read(int size) {
-    if(_read_offset >= _max_size){
-        //文件读完了
-        return nullptr;
-    }
-    int iReq =  MIN(size,_max_size - _read_offset);
-
-    if(!_map_addr){
-        //映射失败，fread模式
-        int iRead;
-        auto ret = std::make_shared<BufferRaw>(iReq + 1);
-        do{
-            iRead = fread(ret->data(), 1, iReq, _fp.get());
-        }while(-1 == iRead && UV_EINTR == get_uv_error(false));
-
-        if(iRead > 0){
-            //读到数据了
-            ret->setSize(iRead);
-            _read_offset += iRead;
-            return std::move(ret);
-        }
-        //没有剩余数据
-        _read_offset = _max_size;
-        return nullptr;
-    }
-
-    auto ret = std::make_shared<BufferMmap>(_map_addr,_read_offset,iReq);
-    _read_offset += iReq;
-    return std::move(ret);
-}
diff --git a/src/Http/FileReader.h b/src/Http/FileReader.h
deleted file mode 100644
index ccf46247..00000000
--- a/src/Http/FileReader.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
- *
- * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef ZLMEDIAKIT_FILEREADER_H
-#define ZLMEDIAKIT_FILEREADER_H
-
-#include <stdlib.h>
-#include <memory>
-#include "Network/Buffer.h"
-using namespace std;
-using namespace toolkit;
-
-class FileReader {
-public:
-    typedef std::shared_ptr<FileReader> Ptr;
-    FileReader(const std::shared_ptr<FILE> &fp,uint64_t offset,uint64_t max_size);
-    ~FileReader();
-    Buffer::Ptr read(int size);
-private:
-    std::shared_ptr<FILE> _fp;
-    uint64_t _max_size;
-    uint64_t _read_offset = 0;
-    std::shared_ptr<char> _map_addr;
-};
-
-
-#endif //ZLMEDIAKIT_FILEREADER_H
diff --git a/src/Http/HttpBody.cpp b/src/Http/HttpBody.cpp
new file mode 100644
index 00000000..2009f856
--- /dev/null
+++ b/src/Http/HttpBody.cpp
@@ -0,0 +1,237 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "HttpBody.h"
+#include "Util/util.h"
+#include "Util/uv_errno.h"
+#include "Util/logger.h"
+#include "HttpClient.h"
+#ifndef _WIN32
+#include <sys/mman.h>
+#endif
+
+#ifndef _WIN32
+#define ENABLE_MMAP
+#endif
+
+namespace mediakit {
+
+HttpStringBody::HttpStringBody(const string &str){
+    _str = str;
+}
+uint64_t HttpStringBody::remainSize() {
+    return _str.size() - _offset;
+}
+
+Buffer::Ptr HttpStringBody::readData(uint32_t size) {
+    size = MIN(remainSize(),size);
+    if(!size){
+        //没有剩余字节了
+        return nullptr;
+    }
+    auto ret = std::make_shared<BufferString>(_str,_offset,size);
+    _offset += size;
+    return ret;
+}
+
+//////////////////////////////////////////////////////////////////
+
+HttpFileBody::HttpFileBody(const std::shared_ptr<FILE> &fp, uint64_t offset, uint64_t max_size) {
+    _fp = fp;
+    _max_size = max_size;
+#ifdef ENABLE_MMAP
+    do {
+        int fd = fileno(fp.get());
+        if (fd < 0) {
+            WarnL << "fileno failed:" << get_uv_errmsg(false);
+            break;
+        }
+        auto ptr = (char *) mmap(NULL, max_size, PROT_READ, MAP_SHARED, fd, offset);
+        if (!ptr) {
+            WarnL << "mmap failed:" << get_uv_errmsg(false);
+            break;
+        }
+        _map_addr.reset(ptr,[max_size](char *ptr){
+            munmap(ptr,max_size);
+        });
+    } while (false);
+#endif
+    if(!_map_addr && offset){
+        //未映射,那么fseek设置偏移量
+        fseek(fp.get(), offset, SEEK_SET);
+    }
+}
+
+
+class BufferMmap : public Buffer{
+public:
+    typedef std::shared_ptr<BufferMmap> Ptr;
+    BufferMmap(const std::shared_ptr<char> &map_addr,uint64_t offset,int size){
+        _map_addr = map_addr;
+        _data = map_addr.get() + offset;
+        _size = size;
+    };
+    virtual ~BufferMmap(){};
+    //返回数据长度
+    char *data() const override {
+        return _data;
+    }
+    uint32_t size() const override{
+        return _size;
+    }
+private:
+    std::shared_ptr<char> _map_addr;
+    char *_data;
+    uint32_t _size;
+};
+
+uint64_t HttpFileBody::remainSize() {
+    return _max_size - _offset;
+}
+
+Buffer::Ptr HttpFileBody::readData(uint32_t size) {
+    size = MIN(remainSize(),size);
+    if(!size){
+        //没有剩余字节了
+        return nullptr;
+    }
+    if(!_map_addr){
+        //fread模式
+        int iRead;
+        auto ret = _pool.obtain();
+        ret->setCapacity(size + 1);
+        do{
+            iRead = fread(ret->data(), 1, size, _fp.get());
+        }while(-1 == iRead && UV_EINTR == get_uv_error(false));
+
+        if(iRead > 0){
+            //读到数据了
+            ret->setSize(iRead);
+            _offset += iRead;
+            return std::move(ret);
+        }
+        //读取文件异常，文件真实长度小于声明长度
+        _offset = _max_size;
+        WarnL << "read file err:" << get_uv_errmsg();
+        return nullptr;
+    }
+
+    //mmap模式
+    auto ret = std::make_shared<BufferMmap>(_map_addr,_offset,size);
+    _offset += size;
+    return std::move(ret);
+}
+
+//////////////////////////////////////////////////////////////////
+HttpMultiFormBody::HttpMultiFormBody(const HttpArgs &args,const string &filePath,const string &boundary){
+    std::shared_ptr<FILE> fp(fopen(filePath.data(), "rb"), [](FILE *fp) {
+        if(fp){
+            fclose(fp);
+        }
+    });
+    if(!fp){
+        throw std::invalid_argument(StrPrinter << "open file failed：" << filePath << " " << get_uv_errmsg());
+    }
+    _fileBody = std::make_shared<HttpFileBody>(fp, 0, fileSize(fp.get()));
+
+    auto fileName = filePath;
+    auto pos = filePath.rfind('/');
+    if(pos != string::npos){
+        fileName = filePath.substr(pos + 1);
+    }
+    _bodyPrefix = multiFormBodyPrefix(args,boundary,fileName);
+    _bodySuffix = multiFormBodySuffix(boundary);
+    _totalSize =  _bodyPrefix.size() + _bodySuffix.size() + _fileBody->remainSize();
+}
+
+uint64_t HttpMultiFormBody::remainSize() {
+    return _totalSize - _offset;
+}
+
+Buffer::Ptr HttpMultiFormBody::readData(uint32_t size){
+    if(_bodyPrefix.size()){
+        auto ret = std::make_shared<BufferString>(_bodyPrefix);
+        _offset += _bodyPrefix.size();
+        _bodyPrefix.clear();
+        return ret;
+    }
+
+    if(_fileBody->remainSize()){
+        auto ret = _fileBody->readData(size);
+        if(!ret){
+            //读取文件出现异常，提前中断
+            _offset = _totalSize;
+        }else{
+            _offset += ret->size();
+        }
+        return ret;
+    }
+
+    if(_bodySuffix.size()){
+        auto ret = std::make_shared<BufferString>(_bodySuffix);
+        _offset = _totalSize;
+        _bodySuffix.clear();
+        return ret;
+    }
+
+    return nullptr;
+}
+
+string HttpMultiFormBody::multiFormBodySuffix(const string &boundary){
+    string MPboundary = string("--") + boundary;
+    string endMPboundary = MPboundary + "--";
+    _StrPrinter body;
+    body << "\r\n" << endMPboundary;
+    return body;
+}
+
+uint64_t HttpMultiFormBody::fileSize(FILE *fp) {
+    auto current = ftell(fp);
+    fseek(fp,0L,SEEK_END); /* 定位到文件末尾 */
+    auto end  = ftell(fp); /* 得到文件大小 */
+    fseek(fp,current,SEEK_SET);
+    return end - current;
+}
+
+string HttpMultiFormBody::multiFormContentType(const string &boundary){
+    return StrPrinter << "multipart/form-data; boundary=" << boundary;
+}
+
+string HttpMultiFormBody::multiFormBodyPrefix(const HttpArgs &args,const string &boundary,const string &fileName){
+    string MPboundary = string("--") + boundary;
+    _StrPrinter body;
+    for(auto &pr : args){
+        body << MPboundary << "\r\n";
+        body << "Content-Disposition: form-data; name=\"" << pr.first << "\"\r\n\r\n";
+        body << pr.second << "\r\n";
+    }
+    body << MPboundary << "\r\n";
+    body << "Content-Disposition: form-data; name=\"" << "file" << "\";filename=\"" << fileName << "\"\r\n";
+    body << "Content-Type: application/octet-stream\r\n\r\n" ;
+    return body;
+}
+
+}//namespace mediakit
diff --git a/src/Http/HttpBody.h b/src/Http/HttpBody.h
new file mode 100644
index 00000000..fd2b4318
--- /dev/null
+++ b/src/Http/HttpBody.h
@@ -0,0 +1,142 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef ZLMEDIAKIT_FILEREADER_H
+#define ZLMEDIAKIT_FILEREADER_H
+
+#include <stdlib.h>
+#include <memory>
+#include "Network/Buffer.h"
+#include "Util/ResourcePool.h"
+#include "Util/logger.h"
+
+using namespace std;
+using namespace toolkit;
+
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b) )
+#endif //MIN
+
+namespace mediakit {
+
+/**
+ * http content部分基类定义
+ */
+class HttpBody{
+public:
+    typedef std::shared_ptr<HttpBody> Ptr;
+    HttpBody(){}
+    virtual ~HttpBody(){}
+
+    /**
+     * 剩余数据大小
+     */
+    virtual uint64_t remainSize() = 0;
+
+    /**
+     * 读取一定字节数，返回大小可能小于size
+     * @param size 请求大小
+     * @return 字节对象
+     */
+    virtual Buffer::Ptr readData(uint32_t size) = 0;
+};
+
+/**
+ * string类型的content
+ */
+class HttpStringBody : public HttpBody{
+public:
+    typedef std::shared_ptr<HttpStringBody> Ptr;
+    HttpStringBody(const string &str);
+    virtual ~HttpStringBody(){}
+    uint64_t remainSize() override ;
+    Buffer::Ptr readData(uint32_t size) override ;
+private:
+    mutable string _str;
+    uint64_t _offset = 0;
+};
+
+/**
+ * 文件类型的content
+ */
+class HttpFileBody : public HttpBody{
+public:
+    typedef std::shared_ptr<HttpFileBody> Ptr;
+
+    /**
+     * 构造函数
+     * @param fp 文件句柄，文件的偏移量必须为0
+     * @param offset 相对文件头的偏移量
+     * @param max_size 最大读取字节数，未判断是否大于文件真实大小
+     */
+    HttpFileBody(const std::shared_ptr<FILE> &fp,uint64_t offset,uint64_t max_size);
+    ~HttpFileBody(){};
+
+    uint64_t remainSize() override ;
+    Buffer::Ptr readData(uint32_t size) override;
+private:
+    std::shared_ptr<FILE> _fp;
+    uint64_t _max_size;
+    uint64_t _offset = 0;
+    std::shared_ptr<char> _map_addr;
+    ResourcePool<BufferRaw> _pool;
+};
+
+class HttpArgs;
+
+/**
+ * http MultiForm 方式提交的http content
+ */
+class HttpMultiFormBody : public HttpBody {
+public:
+    typedef std::shared_ptr<HttpMultiFormBody> Ptr;
+
+    /**
+     * 构造函数
+     * @param args http提交参数列表
+     * @param filePath 文件路径
+     * @param boundary boundary字符串
+     */
+    HttpMultiFormBody(const HttpArgs &args,const string &filePath,const string &boundary = "0xKhTmLbOuNdArY");
+    virtual ~HttpMultiFormBody(){}
+    uint64_t remainSize() override ;
+    Buffer::Ptr readData(uint32_t size) override;
+public:
+    static string multiFormBodyPrefix(const HttpArgs &args,const string &boundary,const string &fileName);
+    static string multiFormBodySuffix(const string &boundary);
+    static uint64_t fileSize(FILE *fp);
+    static string multiFormContentType(const string &boundary);
+private:
+    string _bodyPrefix;
+    string _bodySuffix;
+    uint64_t _offset = 0;
+    uint64_t _totalSize;
+    HttpFileBody::Ptr _fileBody;
+};
+
+}//namespace mediakit
+
+#endif //ZLMEDIAKIT_FILEREADER_H
diff --git a/src/Http/HttpClient.cpp b/src/Http/HttpClient.cpp
index d9eafee0..c7483b33 100644
--- a/src/Http/HttpClient.cpp
+++ b/src/Http/HttpClient.cpp
@@ -242,8 +242,9 @@ void HttpClient::onRecvContent(const char *data, uint64_t len) {
 
 void HttpClient::onFlush() {
     _aliveTicker.resetTime();
+    GET_CONFIG(uint32_t,sendBufSize,Http::kSendBufSize);
     while (_body && _body->remainSize() && !isSocketBusy()) {
-        auto buffer = _body->readData();
+        auto buffer = _body->readData(sendBufSize);
         if (!buffer) {
             //数据发送结束或读取数据异常
             break;
diff --git a/src/Http/HttpClient.h b/src/Http/HttpClient.h
index 1f8287e5..59ab4629 100644
--- a/src/Http/HttpClient.h
+++ b/src/Http/HttpClient.h
@@ -39,7 +39,7 @@
 #include "HttpCookie.h"
 #include "HttpChunkedSplitter.h"
 #include "strCoding.h"
-
+#include "HttpBody.h"
 using namespace std;
 using namespace toolkit;
 
@@ -64,145 +64,6 @@ public:
     }
 };
 
-class HttpBody{
-public:
-    typedef std::shared_ptr<HttpBody> Ptr;
-    HttpBody(){}
-    virtual ~HttpBody(){}
-    //剩余数据大小
-    virtual uint64_t remainSize() = 0;
-    virtual Buffer::Ptr readData() = 0;
-};
-
-class HttpStringBody : public HttpBody{
-public:
-    typedef std::shared_ptr<HttpStringBody> Ptr;
-    HttpStringBody(const string &str){
-        _str = str;
-    }
-    virtual ~HttpStringBody(){}
-
-    uint64_t remainSize() override {
-        return _str.size();
-    }
-    Buffer::Ptr readData() override {
-        auto ret = std::make_shared<BufferString>(_str);
-        _str.clear();
-        return ret;
-    }
-private:
-    mutable string _str;
-};
-
-
-class HttpMultiFormBody : public HttpBody {
-public:
-    typedef std::shared_ptr<HttpMultiFormBody> Ptr;
-    template<typename MapType>
-    HttpMultiFormBody(const MapType &args,const string &filePath,const string &boundary,uint32_t sliceSize = 4 * 1024){
-        _fp = fopen(filePath.data(),"rb");
-        if(!_fp){
-            throw std::invalid_argument(StrPrinter << "打开文件失败：" << filePath << " " << get_uv_errmsg());
-        }
-        auto fileName = filePath;
-        auto pos = filePath.rfind('/');
-        if(pos != string::npos){
-            fileName = filePath.substr(pos + 1);
-        }
-        _bodyPrefix = multiFormBodyPrefix(args,boundary,fileName);
-        _bodySuffix = multiFormBodySuffix(boundary);
-        _totalSize =  _bodyPrefix.size() + _bodySuffix.size() + fileSize(_fp);
-        _sliceSize = sliceSize;
-    }
-    virtual ~HttpMultiFormBody(){
-        fclose(_fp);
-    }
-
-    uint64_t remainSize() override {
-        return _totalSize - _offset;
-    }
-
-    Buffer::Ptr readData() override{
-        if(_bodyPrefix.size()){
-            auto ret = std::make_shared<BufferString>(_bodyPrefix);
-            _offset += _bodyPrefix.size();
-            _bodyPrefix.clear();
-            return ret;
-        }
-
-        if(0 == feof(_fp)){
-            auto ret = std::make_shared<BufferRaw>(_sliceSize);
-            //读文件
-            int size;
-            do{
-                size = fread(ret->data(),1,_sliceSize,_fp);
-            }while(-1 == size && UV_EINTR == get_uv_error(false));
-
-            if(size == -1){
-                _offset = _totalSize;
-                WarnL << "fread failed:" << get_uv_errmsg();
-                return nullptr;
-            }
-            _offset += size;
-            ret->setSize(size);
-            return ret;
-        }
-
-        if(_bodySuffix.size()){
-            auto ret = std::make_shared<BufferString>(_bodySuffix);
-            _offset = _totalSize;
-            _bodySuffix.clear();
-            return ret;
-        }
-
-        return nullptr;
-    }
-
-public:
-    template<typename MapType>
-    static string multiFormBodyPrefix(const MapType &args,const string &boundary,const string &fileName){
-        string MPboundary = string("--") + boundary;
-        _StrPrinter body;
-        for(auto &pr : args){
-            body << MPboundary << "\r\n";
-            body << "Content-Disposition: form-data; name=\"" << pr.first << "\"\r\n\r\n";
-            body << pr.second << "\r\n";
-        }
-        body << MPboundary << "\r\n";
-        body << "Content-Disposition: form-data; name=\"" << "file" << "\";filename=\"" << fileName << "\"\r\n";
-        body << "Content-Type: application/octet-stream\r\n\r\n" ;
-        return body;
-    }
-    static string multiFormBodySuffix(const string &boundary){
-        string MPboundary = string("--") + boundary;
-        string endMPboundary = MPboundary + "--";
-        _StrPrinter body;
-        body << "\r\n" << endMPboundary;
-        return body;
-    }
-
-    static uint64_t fileSize(FILE *fp) {
-        auto current = ftell(fp);
-        fseek(fp,0L,SEEK_END); /* 定位到文件末尾 */
-        auto end  = ftell(fp); /* 得到文件大小 */
-        fseek(fp,current,SEEK_SET);
-        return end - current;
-    }
-
-    static string multiFormContentType(const string &boundary){
-        return StrPrinter << "multipart/form-data; boundary=" << boundary;
-    }
-private:
-    FILE *_fp;
-    string _bodyPrefix;
-    string _bodySuffix;
-    uint64_t _offset = 0;
-    uint64_t _totalSize;
-    uint32_t _sliceSize;
-};
-
-
-
 class HttpClient : public TcpClient , public HttpRequestSplitter
 {
 public:
diff --git a/src/Http/HttpSession.cpp b/src/Http/HttpSession.cpp
index 1fa3227c..32cf4c79 100644
--- a/src/Http/HttpSession.cpp
+++ b/src/Http/HttpSession.cpp
@@ -44,7 +44,7 @@
 #include "Util/base64.h"
 #include "Util/SHA1.h"
 #include "Rtmp/utils.h"
-#include "FileReader.h"
+#include "HttpBody.h"
 using namespace toolkit;
 
 namespace mediakit {
@@ -618,10 +618,10 @@ void HttpSession::Handle_Req_GET(int64_t &content_len) {
         }
         //回复Content部分
         GET_CONFIG(uint32_t,sendBufSize,Http::kSendBufSize);
-        FileReader::Ptr fileReader = std::make_shared<FileReader>(pFilePtr,iRangeStart,iRangeEnd - iRangeStart + 1);
+        HttpBody::Ptr fileBody = std::make_shared<HttpFileBody>(pFilePtr,iRangeStart,iRangeEnd - iRangeStart + 1);
         weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
 
-        auto onFlush = [fileReader,bClose,weakSelf]() {
+        auto onFlush = [fileBody,bClose,weakSelf]() {
             auto strongSelf = weakSelf.lock();
             if(!strongSelf){
                 //本对象已经销毁
@@ -631,7 +631,7 @@ void HttpSession::Handle_Req_GET(int64_t &content_len) {
                 //更新超时计时器
                 strongSelf->_ticker.resetTime();
                 //读取文件
-                auto sendBuf = fileReader->read(sendBufSize);
+                auto sendBuf = fileBody->readData(sendBufSize);
                 if (!sendBuf) {
                     //文件读完
                     if(strongSelf->isSocketBusy()){