diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 63d8521c..e7cd1f3d 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 63d8521c31bdae6656d9ff0f5d55883618f5eaf1
+Subproject commit e7cd1f3d1ec81014f92ab844915db60bb7e34bd5
diff --git a/server/FFmpegSource.cpp b/server/FFmpegSource.cpp
index 8363950c..aa5ebcb3 100644
--- a/server/FFmpegSource.cpp
+++ b/server/FFmpegSource.cpp
@@ -343,7 +343,7 @@ void FFmpegSnap::makeSnap(const string &play_url, const string &save_path, float
         // FFmpeg进程退出了可以取消定时器了
         delayTask->cancel();
         // 执行回调函数
-        bool success = process->exit_code() == 0 && File::fileSize(save_path.data());
-        cb(success, (!success && !log_file.empty()) ? File::loadFile(log_file.data()) : "");
+        bool success = process->exit_code() == 0 && File::fileSize(save_path);
+        cb(success, (!success && !log_file.empty()) ? File::loadFile(log_file) : "");
     });
 }
diff --git a/server/Process.cpp b/server/Process.cpp
index 140282d9..0f7bc14d 100644
--- a/server/Process.cpp
+++ b/server/Process.cpp
@@ -65,7 +65,7 @@ static int runChildProcess(string cmd, string log_file) {
     }
 
     //重定向shell日志至文件
-    auto fp = File::create_file(log_file.data(), "ab");
+    auto fp = File::create_file(log_file, "ab");
     if (!fp) {
         fprintf(stderr, "open log file %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
     } else {
@@ -121,7 +121,7 @@ void Process::run(const string &cmd, string log_file) {
     }
 
     //重定向shell日志至文件
-    auto fp = File::create_file(log_file.data(), "ab");
+    auto fp = File::create_file(log_file, "ab");
     if (!fp) {
         fprintf(stderr, "open log file %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
     } else {
diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index 97f3bf00..6b069a8c 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -1547,7 +1547,7 @@ void installWebApi() {
         }
         val["path"] = record_path;
         if (!recording) {
-            val["code"] = File::delete_file(record_path.data());
+            val["code"] = File::delete_file(record_path);
             return;
         }
         File::scanDir(record_path, [](const string &path, bool is_dir) {
@@ -1555,7 +1555,7 @@ void installWebApi() {
                 return true;
             }
             if (path.find("./") != std::string::npos) {
-                File::delete_file(path.data());
+                File::delete_file(path);
             } else {
                 TraceL << "Ignore tmp mp4 file: " << path;
             }
@@ -1608,7 +1608,7 @@ void installWebApi() {
         static bool s_snap_success_once = false;
         StrCaseMap headerOut;
         GET_CONFIG(string, defaultSnap, API::kDefaultSnap);
-        if (!File::fileSize(snap_path.data())) {
+        if (!File::fileSize(snap_path)) {
             if (!err_msg.empty() && (!s_snap_success_once || defaultSnap.empty())) {
                 //重来没截图成功过或者默认截图图片为空，那么直接返回FFmpeg错误日志
                 headerOut["Content-Type"] = HttpFileManager::getContentType(".txt");
@@ -1670,7 +1670,7 @@ void installWebApi() {
         if (!have_old_snap) {
             //无过期截图，生成一个空文件，目的是顺便创建文件夹路径
             //同时防止在FFmpeg生成截图途中不停的尝试调用该api多次启动FFmpeg进程
-            auto file = File::create_file(new_snap.data(), "wb");
+            auto file = File::create_file(new_snap, "wb");
             if (file) {
                 fclose(file);
             }
@@ -1681,10 +1681,10 @@ void installWebApi() {
         FFmpegSnap::makeSnap(allArgs["url"], new_snap_tmp, allArgs["timeout_sec"], [invoker, allArgs, new_snap, new_snap_tmp](bool success, const string &err_msg) {
             if (!success) {
                 //生成截图失败，可能残留空文件
-                File::delete_file(new_snap_tmp.data());
+                File::delete_file(new_snap_tmp);
             } else {
                 //临时文件改成正式文件
-                File::delete_file(new_snap.data());
+                File::delete_file(new_snap);
                 rename(new_snap_tmp.data(), new_snap.data());
             }
             responseSnap(new_snap, allArgs.getParser().getHeader(), invoker, err_msg);
diff --git a/server/main.cpp b/server/main.cpp
index 70b6348f..d79c78e5 100644
--- a/server/main.cpp
+++ b/server/main.cpp
@@ -263,7 +263,7 @@ int start_main(int argc,char *argv[]) {
         //加载配置文件，如果配置文件不存在就创建一个
         loadIniConfig(g_ini_file.data());
 
-        if (!File::is_dir(ssl_file.data())) {
+        if (!File::is_dir(ssl_file)) {
             //不是文件夹，加载证书，证书包含公钥和私钥
             SSL_Initor::Instance().loadCertificate(ssl_file.data());
         } else {
diff --git a/src/Http/HttpDownloader.cpp b/src/Http/HttpDownloader.cpp
index dcb67ff7..802a816a 100644
--- a/src/Http/HttpDownloader.cpp
+++ b/src/Http/HttpDownloader.cpp
@@ -25,7 +25,7 @@ void HttpDownloader::startDownload(const string &url, const string &file_path, b
     if (_file_path.empty()) {
         _file_path = exeDir() + "HttpDownloader/" + MD5(url).hexdigest();
     }
-    _save_file = File::create_file(_file_path.data(), append ? "ab" : "wb");
+    _save_file = File::create_file(_file_path, append ? "ab" : "wb");
     if (!_save_file) {
         auto strErr = StrPrinter << "打开文件失败:" << file_path << endl;
         throw std::runtime_error(strErr);
diff --git a/src/Http/HttpFileManager.cpp b/src/Http/HttpFileManager.cpp
index 428abf85..697e554f 100644
--- a/src/Http/HttpFileManager.cpp
+++ b/src/Http/HttpFileManager.cpp
@@ -192,7 +192,7 @@ static bool makeFolderMenu(const string &httpPath, const string &strFullPath, st
         last_dir_name = split(strPathPrefix, "/").back();
     }
 
-    if (!File::is_dir(strPathPrefix.data())) {
+    if (!File::is_dir(strPathPrefix)) {
         return false;
     }
     stringstream ss;
@@ -250,7 +250,7 @@ static bool makeFolderMenu(const string &httpPath, const string &strFullPath, st
     int i = 0;
     for (auto &pr :file_map) {
         auto &strAbsolutePath = pr.second.second;
-        bool isDir = File::is_dir(strAbsolutePath.data());
+        bool isDir = File::is_dir(strAbsolutePath);
         ss << "<li><span>" << i++ << "</span>\t";
         ss << "<a href=\"";
         //路径链接地址
@@ -271,7 +271,7 @@ static bool makeFolderMenu(const string &httpPath, const string &strFullPath, st
             continue;
         }
         //是文件
-        auto fileSize = File::fileSize(strAbsolutePath.data());
+        auto fileSize = File::fileSize(strAbsolutePath);
         if (fileSize < 1024) {
             ss << " (" << fileSize << "B)" << endl;
         } else if (fileSize < 1024 * 1024) {
@@ -467,7 +467,7 @@ static string pathCat(const string &a, const string &b){
  */
 static void accessFile(Session &sender, const Parser &parser, const MediaInfo &media_info, const string &file_path, const HttpFileManager::invoker &cb) {
     bool is_hls = end_with(file_path, kHlsSuffix) || end_with(file_path, kHlsFMP4Suffix);
-    if (!is_hls && !File::fileExist(file_path.data())) {
+    if (!is_hls && !File::fileExist(file_path)) {
         //文件不存在且不是hls,那么直接返回404
         sendNotFound(cb);
         return;
@@ -628,12 +628,12 @@ void HttpFileManager::onAccessPath(Session &sender, Parser &parser, const HttpFi
         return;
     }
     //访问的是文件夹
-    if (File::is_dir(file_path.data())) {
+    if (File::is_dir(file_path)) {
         auto indexFile = searchIndexFile(file_path);
         if (!indexFile.empty()) {
             // 发现该文件夹下有index文件
             file_path = pathCat(file_path, indexFile);
-            if (!File::is_dir(file_path.data())) {
+            if (!File::is_dir(file_path)) {
                 // 不是文件夹
                 parser.setUrl(pathCat(parser.url(), indexFile));
                 accessFile(sender, parser, media_info, file_path, cb);
diff --git a/src/Record/MP4Recorder.cpp b/src/Record/MP4Recorder.cpp
index 59a0d590..8e8c3fd6 100644
--- a/src/Record/MP4Recorder.cpp
+++ b/src/Record/MP4Recorder.cpp
@@ -85,10 +85,10 @@ void MP4Recorder::asyncClose() {
         TraceL << "Closed tmp mp4 file: " << full_path_tmp;
         if (!full_path_tmp.empty()) {
             // 获取文件大小
-            info.file_size = File::fileSize(full_path_tmp.data());
+            info.file_size = File::fileSize(full_path_tmp);
             if (info.file_size < 1024) {
                 // 录像文件太小，删除之
-                File::delete_file(full_path_tmp.data());
+                File::delete_file(full_path_tmp);
                 return;
             }
             // 临时文件名改成正式文件名，防止mp4未完成时被访问
diff --git a/src/Rtmp/FlvMuxer.cpp b/src/Rtmp/FlvMuxer.cpp
index b2d1a6ad..49db9dd7 100644
--- a/src/Rtmp/FlvMuxer.cpp
+++ b/src/Rtmp/FlvMuxer.cpp
@@ -174,7 +174,7 @@ void FlvRecorder::startRecord(const EventPoller::Ptr &poller, const RtmpMediaSou
         }
     });
     //新建文件
-    _file.reset(File::create_file(file_path.data(), "wb"), [fileBuf](FILE *fp) {
+    _file.reset(File::create_file(file_path, "wb"), [fileBuf](FILE *fp) {
         if (fp) {
             fflush(fp);
             fclose(fp);
diff --git a/src/Rtp/RtpProcess.cpp b/src/Rtp/RtpProcess.cpp
index 3855f411..33df2829 100644
--- a/src/Rtp/RtpProcess.cpp
+++ b/src/Rtp/RtpProcess.cpp
@@ -33,7 +33,7 @@ RtpProcess::RtpProcess(const string &stream_id) {
 
     GET_CONFIG(string, dump_dir, RtpProxy::kDumpDir);
     {
-        FILE *fp = !dump_dir.empty() ? File::create_file(File::absolutePath(_media_info.stream + ".rtp", dump_dir).data(), "wb") : nullptr;
+        FILE *fp = !dump_dir.empty() ? File::create_file(File::absolutePath(_media_info.stream + ".rtp", dump_dir), "wb") : nullptr;
         if (fp) {
             _save_file_rtp.reset(fp, [](FILE *fp) {
                 fclose(fp);
@@ -42,7 +42,7 @@ RtpProcess::RtpProcess(const string &stream_id) {
     }
 
     {
-        FILE *fp = !dump_dir.empty() ? File::create_file(File::absolutePath(_media_info.stream + ".video", dump_dir).data(), "wb") : nullptr;
+        FILE *fp = !dump_dir.empty() ? File::create_file(File::absolutePath(_media_info.stream + ".video", dump_dir), "wb") : nullptr;
         if (fp) {
             _save_file_video.reset(fp, [](FILE *fp) {
                 fclose(fp);
diff --git a/tests/test_bench_forward.cpp b/tests/test_bench_forward.cpp
index 634d7b8e..4db90385 100644
--- a/tests/test_bench_forward.cpp
+++ b/tests/test_bench_forward.cpp
@@ -138,7 +138,7 @@ int main(int argc, char *argv[]) {
 
     auto parse_urls = [&]() {
         // 获取输入源列表	
-        auto inputs = ::split(toolkit::File::loadFile(in_urls.c_str()), "\n");
+        auto inputs = ::split(toolkit::File::loadFile(in_urls), "\n");
         for(auto &url : inputs){
             if(url.empty() || url.find("://") == std::string::npos) {
                 continue;
@@ -147,7 +147,7 @@ int main(int argc, char *argv[]) {
             input_urls.emplace_back(input_url);
         }
         // 获取输出源列表	
-        auto outputs = ::split(toolkit::File::loadFile(out_urls.c_str()), "\n");
+        auto outputs = ::split(toolkit::File::loadFile(out_urls), "\n");
         for(auto &url : outputs){
             if(url.empty() || url.find("://") == std::string::npos){
                 continue;