diff --git a/entry/src/main/ets/MainAbility/glide/networkmanage/DownloadClient.ets b/entry/src/main/ets/MainAbility/glide/networkmanage/DownloadClient.ets
index 39c5d6b..96ecab5 100644
--- a/entry/src/main/ets/MainAbility/glide/networkmanage/DownloadClient.ets
+++ b/entry/src/main/ets/MainAbility/glide/networkmanage/DownloadClient.ets
@@ -18,7 +18,7 @@ import {RequestOption} from "../RequestOption"
 import {Md5} from "../../cache/Md5"
 import{FileUtils} from "../../cache/FileUtils"
 
-import httpRequest from '@ohos.request';
+import loadRequest from '@ohos.request';
 
 export class DownloadClient implements IDataFetch {
   loadData(request: RequestOption, onCompleteFunction, onErrorFunction) {
@@ -26,37 +26,106 @@ export class DownloadClient implements IDataFetch {
     let requestUrl = request.loadSrc as string;
     if (requestUrl.startsWith("http") || requestUrl.startsWith("https")) {
       let filename = Md5.hashStr(request.generateDataKey);
-      let allpath = request.networkCacheFolder + "/" + filename + ".img";
+      let downloadFolder = request.getFilesPath() + "/" +request.networkCacheFolder;
+      let allpath = request.getFilesPath() + "/" + filename + ".img";
+
+      if(FileUtils.getInstance().exist(allpath)){
+        FileUtils.getInstance().deleteFile(allpath)
+      }
+
+      let desc = filename + ".img";
+
       var downloadConfig = {
         url: (request.loadSrc as string),
-        filePath: allpath
+        filePath: allpath,
+        header: {}
+        enableMetered: true,
+        enableRoaming: true,
+        description: desc,
+        networkType: 1,
+        title: filename,
       };
-      httpRequest.download(downloadConfig)
+
+      let loadTask = null;
+      loadRequest.download(downloadConfig)
         .then((downloadTask) => {
-        downloadTask.query((err, data) => {
-          if (err) {
-            onErrorFunction(err)
-            return;
-          }
-          downloadTask.on('progress', (uploadedSize, totalSize)=>{
-            let percent = Math.round(((uploadedSize*1.0)/(totalSize*1.0))*100)+"%"
+
+        if(downloadTask){
+          loadTask = downloadTask;
+
+          loadTask.on('progress', (err, receivedSize, totalSize)=>{
+            let percent = Math.round(((receivedSize*1.0)/(totalSize*1.0))*100)+"%"
             if(request.progressFunc) {
               request.progressFunc(percent);
             }
           });
-          downloadTask.on('complete', () => {
-            let downloadPath = request.getCachesPath() + "/" + allpath;
+
+          loadTask.on('complete', () => {
+            let downloadPath = allpath;
             request.downloadFilePath = downloadPath;
-            let arraybuffer = FileUtils.getInstance()
-              .readFilePic(downloadPath)
+            let arraybuffer = FileUtils.getInstance().readFilePic(downloadPath)
             onCompleteFunction(arraybuffer);
-            FileUtils.getInstance()
-              .deleteFile(downloadPath);
+            FileUtils.getInstance().deleteFile(downloadPath);
+
+            loadTask.off('complete',()={
+              loadTask = null;
+            })
+
+            loadTask.off('pause',()={
+            })
+
+            loadTask.off('remove',()={
+
+            })
+
+            loadTask.off('progress',()={
+
+            })
+
+            loadTask.off('fail',()={
+
+            })
           })
-          downloadTask.on('fail', (err) => {
-            onErrorFunction("DownloadClient Download task fail. err =" + err)
+
+          loadTask.on('pause',()={
           })
-        })
+
+          loadTask.on('remove',()={
+
+          })
+
+          loadTask.off('fail',(err)=>{
+            onErrorFunction('DownloadClient Download task fail err ='+err)
+            if(loadTask){
+              loadTask.remove().then(result =>{
+              loadTask.off('complete',()={
+
+              })
+
+              loadTask.off('pause',()={
+              })
+
+              loadTask.off('remove',()={
+
+              })
+
+              loadTask.off('progress',()={
+
+              })
+
+              loadTask.off('fail',()={
+
+              })
+              loadTask = null
+              }).catch(err =>{
+                loadTask = null;
+                console.log('DownloadClient Download task fail err ='+err);
+                })
+          })
+
+        }else{
+          onErrorFunction('DownloadClient downloadTask dismiss!')
+        }
       })
         .catch((err) => {
         onErrorFunction(err)