diff --git a/example/qml-Qt6/page/T_Http.qml b/example/qml-Qt6/page/T_Http.qml
index 6360fc75..99a9b1dd 100644
--- a/example/qml-Qt6/page/T_Http.qml
+++ b/example/qml-Qt6/page/T_Http.qml
@@ -132,16 +132,53 @@ FluContentPage{
                 }
             }
             FluProgressButton{
+                property bool downloading: false
                 property string saveFilePath: FluTools.getApplicationDirPath()+ "/download/big_buck_bunny.mp4"
                 property string resourcePath: "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4"
                 id:btn_breakpoint_download
                 implicitWidth: parent.width
                 implicitHeight: 36
-                text: progress === 1 ? "打开文件" : "断点下载文件"
+                text: {
+                    if(downloading){
+                        return "暂停下载"
+                    }
+                    if(progress === 0){
+                        return "断点下载文件"
+                    }else if(progress === 1){
+                        return "打开文件"
+                    }else{
+                        return "继续下载"
+                    }
+                }
+                HttpCallable{
+                    id:callable_breakpoint_download
+                    onStart: {
+                        btn_breakpoint_download.downloading = true
+                    }
+                    onFinish: {
+                        btn_breakpoint_download.downloading = false
+                    }
+                    onError:
+                        (status,errorString,result)=>{
+                            console.debug(status+";"+errorString+";"+result)
+                        }
+                    onSuccess:
+                        (result)=>{
+                            showSuccess(result)
+                        }
+                    onDownloadProgress:
+                        (recv,total)=>{
+                            btn_breakpoint_download.progress = recv/total
+                        }
+                }
                 Component.onCompleted: {
                     progress = http_breakpoint_download.breakPointDownloadProgress(resourcePath,saveFilePath)
                 }
                 onClicked: {
+                    if(downloading){
+                        http_breakpoint_download.cancel()
+                        return
+                    }
                     if(progress === 1){
                         FluTools.showFileInFolder(saveFilePath)
                     }else{
@@ -260,7 +297,6 @@ FluContentPage{
                 btn_upload.progress = sent/total
             }
     }
-
     FileDialog {
         id: file_dialog
         onAccepted: {
@@ -275,30 +311,6 @@ FluContentPage{
         }
     }
 
-    HttpCallable{
-        id:callable_breakpoint_download
-        onStart: {
-            btn_breakpoint_download.disabled = true
-        }
-        onFinish: {
-            btn_breakpoint_download.disabled = false
-        }
-        onError:
-            (status,errorString,result)=>{
-                btn_breakpoint_download.progress = 0
-                showError(errorString)
-                console.debug(status+";"+errorString+";"+result)
-            }
-        onSuccess:
-            (result)=>{
-                showSuccess(result)
-            }
-        onDownloadProgress:
-            (recv,total)=>{
-                btn_breakpoint_download.progress = recv/total
-            }
-    }
-
     HttpCallable{
         id:callable_download
         onStart: {
@@ -323,7 +335,6 @@ FluContentPage{
                 btn_download.progress = recv/total
             }
     }
-
     FolderDialog {
         id: folder_dialog
         currentFolder: StandardPaths.standardLocations(StandardPaths.DownloadLocation)[0]
diff --git a/example/qml/page/T_Http.qml b/example/qml/page/T_Http.qml
index 6a98a4da..7ab9e324 100644
--- a/example/qml/page/T_Http.qml
+++ b/example/qml/page/T_Http.qml
@@ -133,16 +133,53 @@ FluContentPage{
                 }
             }
             FluProgressButton{
+                property bool downloading: false
                 property string saveFilePath: FluTools.getApplicationDirPath()+ "/download/big_buck_bunny.mp4"
                 property string resourcePath: "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4"
                 id:btn_breakpoint_download
                 implicitWidth: parent.width
                 implicitHeight: 36
-                text: progress === 1 ? "打开文件" : "断点下载文件"
+                text: {
+                    if(downloading){
+                        return "暂停下载"
+                    }
+                    if(progress === 0){
+                        return "断点下载文件"
+                    }else if(progress === 1){
+                        return "打开文件"
+                    }else{
+                        return "继续下载"
+                    }
+                }
+                HttpCallable{
+                    id:callable_breakpoint_download
+                    onStart: {
+                        btn_breakpoint_download.downloading = true
+                    }
+                    onFinish: {
+                        btn_breakpoint_download.downloading = false
+                    }
+                    onError:
+                        (status,errorString,result)=>{
+                            console.debug(status+";"+errorString+";"+result)
+                        }
+                    onSuccess:
+                        (result)=>{
+                            showSuccess(result)
+                        }
+                    onDownloadProgress:
+                        (recv,total)=>{
+                            btn_breakpoint_download.progress = recv/total
+                        }
+                }
                 Component.onCompleted: {
                     progress = http_breakpoint_download.breakPointDownloadProgress(resourcePath,saveFilePath)
                 }
                 onClicked: {
+                    if(downloading){
+                        http_breakpoint_download.cancel()
+                        return
+                    }
                     if(progress === 1){
                         FluTools.showFileInFolder(saveFilePath)
                     }else{
@@ -261,7 +298,6 @@ FluContentPage{
                 btn_upload.progress = sent/total
             }
     }
-
     FileDialog {
         id: file_dialog
         onAccepted: {
@@ -276,30 +312,6 @@ FluContentPage{
         }
     }
 
-    HttpCallable{
-        id:callable_breakpoint_download
-        onStart: {
-            btn_breakpoint_download.disabled = true
-        }
-        onFinish: {
-            btn_breakpoint_download.disabled = false
-        }
-        onError:
-            (status,errorString,result)=>{
-                btn_breakpoint_download.progress = 0
-                showError(errorString)
-                console.debug(status+";"+errorString+";"+result)
-            }
-        onSuccess:
-            (result)=>{
-                showSuccess(result)
-            }
-        onDownloadProgress:
-            (recv,total)=>{
-                btn_breakpoint_download.progress = recv/total
-            }
-    }
-
     HttpCallable{
         id:callable_download
         onStart: {
@@ -324,7 +336,6 @@ FluContentPage{
                 btn_download.progress = recv/total
             }
     }
-
     FolderDialog {
         id: folder_dialog
         currentFolder: StandardPaths.standardLocations(StandardPaths.DownloadLocation)[0]
diff --git a/src/FluHttp.cpp b/src/FluHttp.cpp
index 9bd9ff80..63e5e61d 100644
--- a/src/FluHttp.cpp
+++ b/src/FluHttp.cpp
@@ -43,15 +43,16 @@ void FluHttp::cancel(){
 void FluHttp::post(QString url,HttpCallable* callable,QMap<QString, QVariant> params,QMap<QString, QVariant> headers){
     QThreadPool::globalInstance()->start([=](){
         auto requestMap = toRequest(url,params,headers,"post");
+        auto httpId = toHttpId(requestMap);
         QMap<QString, QVariant> data = invokeIntercept(requestMap).toMap();
         Q_EMIT callable->start();
-        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
             Q_EMIT callable->finish();
             return;
         }
-        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
         }
         for (int i = 0; i < retry(); ++i) {
             QNetworkAccessManager manager;
@@ -84,13 +85,13 @@ void FluHttp::post(QString url,HttpCallable* callable,QMap<QString, QVariant> pa
             reply->deleteLater();
             reply = nullptr;
             if (isSuccess) {
-                handleCache(requestMap,result);
+                handleCache(httpId,result);
                 Q_EMIT callable->success(result);
                 break;
             }else{
                 if(i == retry()-1){
-                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(requestMap)){
-                        Q_EMIT callable->cache(readCache(requestMap));
+                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(httpId)){
+                        Q_EMIT callable->cache(readCache(httpId));
                     }
                     Q_EMIT callable->error(status,errorString,result);
                 }
@@ -103,15 +104,16 @@ void FluHttp::post(QString url,HttpCallable* callable,QMap<QString, QVariant> pa
 void FluHttp::postString(QString url,HttpCallable* callable,QString params,QMap<QString, QVariant> headers){
     QThreadPool::globalInstance()->start([=](){
         auto requestMap = toRequest(url,params,headers,"postString");
+        auto httpId = toHttpId(requestMap);
         QMap<QString, QVariant> data = invokeIntercept(requestMap).toMap();
         Q_EMIT callable->start();
-        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
             Q_EMIT callable->finish();
             return;
         }
-        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
         }
         for (int i = 0; i < retry(); ++i) {
             QNetworkAccessManager manager;
@@ -135,13 +137,13 @@ void FluHttp::postString(QString url,HttpCallable* callable,QString params,QMap<
             reply->deleteLater();
             reply = nullptr;
             if (isSuccess) {
-                handleCache(requestMap,result);
+                handleCache(httpId,result);
                 Q_EMIT callable->success(result);
                 break;
             }else{
                 if(i == retry()-1){
-                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(requestMap)){
-                        Q_EMIT callable->cache(readCache(requestMap));
+                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(httpId)){
+                        Q_EMIT callable->cache(readCache(httpId));
                     }
                     Q_EMIT callable->error(status,errorString,result);
                 }
@@ -154,15 +156,16 @@ void FluHttp::postString(QString url,HttpCallable* callable,QString params,QMap<
 void FluHttp::postJson(QString url,HttpCallable* callable,QMap<QString, QVariant> params,QMap<QString, QVariant> headers){
     QThreadPool::globalInstance()->start([=](){
         auto requestMap = toRequest(url,params,headers,"postJson");
+        auto httpId = toHttpId(requestMap);
         QMap<QString, QVariant> data = invokeIntercept(requestMap).toMap();
         Q_EMIT callable->start();
-        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
             Q_EMIT callable->finish();
             return;
         }
-        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
         }
         for (int i = 0; i < retry(); ++i) {
             QNetworkAccessManager manager;
@@ -186,13 +189,13 @@ void FluHttp::postJson(QString url,HttpCallable* callable,QMap<QString, QVariant
             reply->deleteLater();
             reply = nullptr;
             if (isSuccess) {
-                handleCache(requestMap,result);
+                handleCache(httpId,result);
                 Q_EMIT callable->success(result);
                 break;
             }else{
                 if(i == retry()-1){
-                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(requestMap)){
-                        Q_EMIT callable->cache(readCache(requestMap));
+                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(httpId)){
+                        Q_EMIT callable->cache(readCache(httpId));
                     }
                     Q_EMIT callable->error(status,errorString,result);
                 }
@@ -205,13 +208,14 @@ void FluHttp::postJson(QString url,HttpCallable* callable,QMap<QString, QVariant
 void FluHttp::get(QString url,HttpCallable* callable,QMap<QString, QVariant> params,QMap<QString, QVariant> headers){
     QThreadPool::globalInstance()->start([=](){
         auto requestMap = toRequest(url,params,headers,"get");
+        auto httpId = toHttpId(requestMap);
         QMap<QString, QVariant> data = invokeIntercept(requestMap).toMap();
         Q_EMIT callable->start();
-        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::FirstCacheThenRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
         }
-        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(requestMap)){
-            Q_EMIT callable->cache(readCache(requestMap));
+        if(_cacheMode == FluHttpType::CacheMode::IfNoneCacheRequest && cacheExists(httpId)){
+            Q_EMIT callable->cache(readCache(httpId));
             Q_EMIT callable->finish();
             return;
         }
@@ -236,13 +240,13 @@ void FluHttp::get(QString url,HttpCallable* callable,QMap<QString, QVariant> par
             reply->deleteLater();
             reply = nullptr;
             if (isSuccess) {
-                handleCache(requestMap,result);
+                handleCache(httpId,result);
                 Q_EMIT callable->success(result);
                 break;
             }else{
                 if(i == retry()-1){
-                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(requestMap)){
-                        Q_EMIT callable->cache(readCache(requestMap));
+                    if(_cacheMode == FluHttpType::CacheMode::RequestFailedReadCache && cacheExists(httpId)){
+                        Q_EMIT callable->cache(readCache(httpId));
                     }
                     Q_EMIT callable->error(status,errorString,result);
                 }
@@ -256,6 +260,7 @@ void FluHttp::download(QString url,HttpCallable* callable,QString savePath,QMap<
     QThreadPool::globalInstance()->start([=](){
         auto requestMap = toRequest(url,params,headers,"download");
         requestMap.insert("savePath",savePath);
+        auto httpId = toHttpId(requestMap);
         QMap<QString, QVariant> data = invokeIntercept(requestMap).toMap();
         Q_EMIT callable->start();
         QNetworkAccessManager manager;
@@ -273,10 +278,10 @@ void FluHttp::download(QString url,HttpCallable* callable,QString savePath,QMap<
             loop.quit();
         });
         qint64 seek = 0;
-        auto filePath = getCacheFilePath(requestMap);
+        auto filePath = getCacheFilePath(httpId);
         QSharedPointer<QFile> fileCache(new QFile(filePath));
         if(fileCache->exists() && file->exists() && _breakPointDownload){
-            QJsonObject cacheInfo = QJsonDocument::fromJson(readCache(requestMap).toUtf8()).object();
+            QJsonObject cacheInfo = QJsonDocument::fromJson(readCache(httpId).toUtf8()).object();
             qint64 fileSize = cacheInfo.value("fileSize").toDouble();
             qint64 contentLength = cacheInfo.value("contentLength").toDouble();
             if(fileSize == contentLength && file->size() == contentLength){
@@ -420,8 +425,8 @@ void FluHttp::addHeaders(QNetworkRequest* request,const QMap<QString, QVariant>&
     }
 }
 
-QString FluHttp::readCache(const QMap<QString, QVariant>& request){
-    auto filePath = getCacheFilePath(request);
+QString FluHttp::readCache(const QString& httpId){
+    auto filePath = getCacheFilePath(httpId);
     QString result;
     QFile file(filePath);
     if(!file.exists()){
@@ -434,25 +439,24 @@ QString FluHttp::readCache(const QMap<QString, QVariant>& request){
     return result;
 }
 
-bool FluHttp::cacheExists(const QMap<QString, QVariant>& request){
-    return QFile(getCacheFilePath(request)).exists();
+bool FluHttp::cacheExists(const QString& httpId){
+    return QFile(getCacheFilePath(httpId)).exists();
 }
 
-QString FluHttp::getCacheFilePath(const QMap<QString, QVariant>& request){
-    auto fileName = FluTools::getInstance()->sha256(QJsonDocument::fromVariant(QVariant(request)).toJson());
+QString FluHttp::getCacheFilePath(const QString& httpId){
     QDir dir = _cacheDir;
     if (!dir.exists(_cacheDir)){
         dir.mkpath(_cacheDir);
     }
-    auto filePath = _cacheDir+"/"+fileName;
+    auto filePath = _cacheDir+"/"+httpId;
     return filePath;
 }
 
-void FluHttp::handleCache(QMap<QString, QVariant> request,const QString& result){
+void FluHttp::handleCache(const QString& httpId,const QString& result){
     if(_cacheMode==FluHttpType::CacheMode::NoCache){
         return;
     }
-    auto filePath = getCacheFilePath(request);
+    auto filePath = getCacheFilePath(httpId);
     QSharedPointer<QFile> file(new QFile(filePath));
     QIODevice::OpenMode mode = QIODevice::WriteOnly|QIODevice::Truncate;
     if (!file->open(mode))
@@ -465,11 +469,12 @@ void FluHttp::handleCache(QMap<QString, QVariant> request,const QString& result)
 qreal FluHttp::breakPointDownloadProgress(QString url,QString savePath,QMap<QString, QVariant> params,QMap<QString, QVariant> headers){
     auto requestMap = toRequest(url,params,headers,"download");
     requestMap.insert("savePath",savePath);
+    auto httpId = toHttpId(requestMap);
     QSharedPointer<QFile> file(new QFile(savePath));
-    auto filePath = getCacheFilePath(requestMap);
+    auto filePath = getCacheFilePath(httpId);
     QSharedPointer<QFile> fileCache(new QFile(filePath));
     if(fileCache->exists() && file->exists() && _breakPointDownload){
-        QJsonObject cacheInfo = QJsonDocument::fromJson(readCache(requestMap).toUtf8()).object();
+        QJsonObject cacheInfo = QJsonDocument::fromJson(readCache(httpId).toUtf8()).object();
         double fileSize = cacheInfo.value("fileSize").toDouble();
         double contentLength = cacheInfo.value("contentLength").toDouble();
         if(fileSize == contentLength && file->size() == contentLength){
@@ -484,3 +489,7 @@ qreal FluHttp::breakPointDownloadProgress(QString url,QString savePath,QMap<QStr
         return 0;
     }
 }
+
+QString FluHttp::toHttpId(const QMap<QString, QVariant>& map){
+    return FluTools::getInstance()->sha256(QJsonDocument::fromVariant(QVariant(map)).toJson());
+}
diff --git a/src/FluHttp.h b/src/FluHttp.h
index 6f75ca9f..74343328 100644
--- a/src/FluHttp.h
+++ b/src/FluHttp.h
@@ -34,12 +34,13 @@ class FluHttp : public QObject
 private:
     QVariant invokeIntercept(QMap<QString, QVariant> request,Qt::ConnectionType type = Qt::BlockingQueuedConnection);
     QMap<QString, QVariant> toRequest(const QString& url,const QVariant& params,const QVariant& headers,const QString& method);
+    QString toHttpId(const QMap<QString, QVariant>& map);
     void addQueryParam(QUrl* url,const QMap<QString, QVariant>& params);
     void addHeaders(QNetworkRequest* request,const QMap<QString, QVariant>& params);
-    void handleCache(QMap<QString, QVariant> request, const QString& result);
-    QString readCache(const QMap<QString, QVariant>& request);
-    bool cacheExists(const QMap<QString, QVariant>& request);
-    QString getCacheFilePath(const QMap<QString, QVariant>& request);
+    void handleCache(const QString& httpId, const QString& result);
+    QString readCache(const QString& httpId);
+    bool cacheExists(const QString& httpId);
+    QString getCacheFilePath(const QString& httpId);
 public:
     explicit FluHttp(QObject *parent = nullptr);
     ~FluHttp();