diff --git a/routers/repo/attachment.go b/routers/repo/attachment.go
index 62bdc2ea7..cab123d30 100755
--- a/routers/repo/attachment.go
+++ b/routers/repo/attachment.go
@@ -422,14 +422,13 @@ func GetSuccessChunks(ctx *context.Context) {
 			return
 		}
 	} else {
-		isExist, err = storage.ObsHasObject(models.AttachmentRelativePath(fileChunk.UUID))
+		isExist, err = storage.ObsHasObject(setting.BasePath + models.AttachmentRelativePath(fileChunk.UUID) + "/" + fileChunk.UUID)
 		if err != nil {
 			ctx.ServerError("ObsHasObject failed", err)
 			return
 		}
 	}
 
-
 	if isExist {
 		if fileChunk.IsUploaded == models.FileNotUploaded {
 			log.Info("the file has been uploaded but not recorded")
@@ -692,15 +691,17 @@ func CompleteMultipart(ctx *context.Context) {
 	}
 
 	if attachment.DatasetID != 0 {
-		if strings.HasSuffix(attachment.Name, ".zip") {
-			err = worker.SendDecompressTask(contexExt.Background(), uuid)
-			if err != nil {
-				log.Error("SendDecompressTask(%s) failed:%s", uuid, err.Error())
-			} else {
-				attachment.DecompressState = models.DecompressStateIng
-				err = models.UpdateAttachment(attachment)
+		if typeCloudBrain == models.TypeCloudBrainOne {
+			if strings.HasSuffix(attachment.Name, ".zip") {
+				err = worker.SendDecompressTask(contexExt.Background(), uuid)
 				if err != nil {
-					log.Error("UpdateAttachment state(%s) failed:%s", uuid, err.Error())
+					log.Error("SendDecompressTask(%s) failed:%s", uuid, err.Error())
+				} else {
+					attachment.DecompressState = models.DecompressStateIng
+					err = models.UpdateAttachment(attachment)
+					if err != nil {
+						log.Error("UpdateAttachment state(%s) failed:%s", uuid, err.Error())
+					}
 				}
 			}
 		}
diff --git a/web_src/js/components/MinioUploader.vue b/web_src/js/components/MinioUploader.vue
index c453daf16..3ece6994e 100755
--- a/web_src/js/components/MinioUploader.vue
+++ b/web_src/js/components/MinioUploader.vue
@@ -21,6 +21,7 @@ import qs from 'qs';
 import createDropzone from '../features/dropzone.js';
 
 const {_AppSubUrl, _StaticUrlPrefix, csrf} = window.config;
+const CloudBrainType = 0;
 
 export default {
   data() {
@@ -245,8 +246,8 @@ export default {
             file_name: file.name,
             size: file.size,
             dataset_id: file.datasetId,
-            _csrf: csrf,
-            type:0
+            type: CloudBrainType,
+            _csrf: csrf
           })
         );
       }
@@ -284,6 +285,7 @@ export default {
           md5: file.uniqueIdentifier,
           size: file.size,
           fileType: file.type,
+          type: CloudBrainType,
           _csrf: csrf
         }
       });
@@ -324,6 +326,7 @@ export default {
             uploadID: file.uploadID,
             size: partSize,
             chunkNumber: currentChunk + 1,
+            type: CloudBrainType,
             _csrf: csrf
           }
         });
@@ -382,6 +385,7 @@ export default {
             file_name: file.name,
             size: file.size,
             dataset_id: file.datasetId,
+            type: CloudBrainType,
             _csrf: csrf
           })
         );
diff --git a/web_src/js/components/ObsUploader.vue b/web_src/js/components/ObsUploader.vue
index 0e9e7d2eb..16b53d343 100755
--- a/web_src/js/components/ObsUploader.vue
+++ b/web_src/js/components/ObsUploader.vue
@@ -4,22 +4,24 @@
       id="dataset"
       class="dropzone"
     />
-
     <p class="upload-info">
       {{ file_status_text }}
       <span class="success">{{ status }}</span>
     </p>
-  </div> 
+  </div>
 </template>
 
 <script>
 /* eslint-disable eqeqeq */
 // import Dropzone from 'dropzone/dist/dropzone.js';
 // import 'dropzone/dist/dropzone.css'
+import SparkMD5 from 'spark-md5';
+import axios from 'axios';
+import qs from 'qs';
 import createDropzone from '../features/dropzone.js';
-import ObsClient from 'esdk-obs-browserjs';
 
 const {_AppSubUrl, _StaticUrlPrefix, csrf} = window.config;
+const CloudBrainType = 1;
 
 export default {
   data() {
@@ -66,7 +68,6 @@ export default {
 
     const $dropzone = $('div#dataset');
     console.log('createDropzone');
-
     const dropzoneUploader = await createDropzone($dropzone[0], {
       url: '/todouploader',
       maxFiles: this.maxFiles,
@@ -77,16 +78,14 @@ export default {
       dictInvalidFileType: this.dropzoneParams.data('invalid-input-type'),
       dictFileTooBig: this.dropzoneParams.data('file-too-big'),
       dictRemoveFile: this.dropzoneParams.data('remove-file'),
-      previewTemplate,
+      previewTemplate
     });
-
-    // 将文件加入文件列表
     dropzoneUploader.on('addedfile', (file) => {
-      if(file.status == 'added'){
-        this.onFileAdded(file)
-      } 
+      setTimeout(() => {
+        // eslint-disable-next-line no-unused-expressions
+        file.accepted && this.onFileAdded(file);
+      }, 200);
     });
-
     dropzoneUploader.on('maxfilesexceeded', function (file) {
       if (this.files[0].status !== 'success') {
         alert(this.dropzoneParams.data('waitting-uploading'));
@@ -99,15 +98,14 @@ export default {
 
     this.dropzoneUploader = dropzoneUploader;
   },
-
   methods: {
     resetStatus() {
       this.progress = 0;
       this.status = '';
     },
     updateProgress(file, progress) {
-     file.previewTemplate.querySelector(
-      '.dz-upload'
+      file.previewTemplate.querySelector(
+        '.dz-upload'
       ).style.width = `${progress}%`;
     },
     emitDropzoneSuccess(file) {
@@ -119,157 +117,326 @@ export default {
       this.status = this.dropzoneParams.data('falied');
       file.status = 'error';
       this.dropzoneUploader.emit('error', file);
+      // this.dropzoneUploader.emit('complete', file);
     },
-
     onFileAdded(file) {
+      file.datasetId = document
+        .getElementById('datasetId')
+        .getAttribute('datasetId');
       this.resetStatus();
-      this.status = this.dropzoneParams.data('obs-connecting');
-      this.do_multi_uploader(file) 
+      this.computeMD5(file);
+    },
+
+    finishUpload(file) {
+      this.emitDropzoneSuccess(file);
+      setTimeout(() => {
+        window.location.reload();
+      }, 1000);
+    },
+
+    computeMD5(file) {
+      this.resetStatus();
+      const blobSlice =
+          File.prototype.slice ||
+          File.prototype.mozSlice ||
+          File.prototype.webkitSlice,
+        chunkSize = 1024 * 1024 * 64,
+        chunks = Math.ceil(file.size / chunkSize),
+        spark = new SparkMD5.ArrayBuffer(),
+        fileReader = new FileReader();
+      let currentChunk = 0;
+
+      const time = new Date().getTime();
+      // console.log('计算MD5...')
+      this.status = this.dropzoneParams.data('md5-computing');
+      file.totalChunkCounts = chunks;
+      loadNext();
+
+      fileReader.onload = (e) => {
+        fileLoaded.call(this, e);
+      };
+      fileReader.onerror = (err) => {
+        console.warn('oops, something went wrong.', err);
+        file.cancel();
+      };
+
+      function fileLoaded(e) {
+        spark.append(e.target.result); // Append array buffer
+        currentChunk++;
+        if (currentChunk < chunks) {
+          // console.log(`第${currentChunk}分片解析完成, 开始第${currentChunk +1}/${chunks}分片解析`);
+          this.status = `${this.dropzoneParams.data('loading-file')} ${(
+            (currentChunk / chunks) *
+            100
+          ).toFixed(2)}% (${currentChunk}/${chunks})`;
+          this.updateProgress(file, ((currentChunk / chunks) * 100).toFixed(2));
+          loadNext();
+          return;
+        }
+
+        const md5 = spark.end();
+        console.log(
+          `MD5计算完成：${file.name} \nMD5：${md5} \n分片：${chunks} 大小:${
+            file.size
+          } 用时：${(new Date().getTime() - time) / 1000} s`
+        );
+        spark.destroy(); // 释放缓存
+        file.uniqueIdentifier = md5; // 将文件md5赋值给文件唯一标识
+        file.cmd5 = false; // 取消计算md5状态
+        this.computeMD5Success(file);
+      }
+
+      function loadNext() {
+        const start = currentChunk * chunkSize;
+        const end =
+          start + chunkSize >= file.size ? file.size : start + chunkSize;
+        fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
+      }
     },
 
-    // 获取key, uuid
-    get_result(){
-      var res
-      $.ajax({
-        url: '/attachments/get_obs_key',
-        type: 'GET',
-        async: false,
-        success: function(result){
-          res = result
+    async computeMD5Success(md5edFile) {
+      const file = await this.getSuccessChunks(md5edFile);
+      try {
+        if (file.uploadID == '' || file.uuid == '') {
+        // 未上传过
+          await this.newMultiUpload(file);
+          if (file.uploadID != '' && file.uuid != '') {
+            file.chunks = '';
+            this.multipartUpload(file);
+          } else {
+          // 失败如何处理
+            return;
+          }
+          return;
         }
-      });
-      return res
-    },  
 
-    // 构建ObsClient
-    getObsClient(result){
-      return new ObsClient({
-        access_key_id: result.access_key_id,       
-        secret_access_key: result.secret_access_key,       
-        server : result.server
+        if (file.uploaded == '1') {
+        // 已上传成功
+        // 秒传
+          if (file.attachID == '0') {
+          // 删除数据集记录，未删除文件
+            await addAttachment(file);
+          }
+          //不同数据集上传同一个文件
+          if (file.datasetID != '') {
+            if (Number(file.datasetID) != file.datasetId) {
+              var info = "该文件已上传，对应数据集（" + file.datasetName + "）-文件（" + file.realName + ")";
+              window.alert(info);
+              window.location.reload();
+            }
+          }
+          console.log('文件已上传完成');
+          this.progress = 100;
+          this.status = this.dropzoneParams.data('upload-complete');
+          this.finishUpload(file);
+        } else {
+        // 断点续传
+          this.multipartUpload(file);
+        }
+      } catch (error) {
+        this.emitDropzoneFailed(file);
+        console.log(error);
+      }
+
+      async function addAttachment(file) {
+        return await axios.post(
+          '/attachments/add',
+          qs.stringify({
+            uuid: file.uuid,
+            file_name: file.name,
+            size: file.size,
+            dataset_id: file.datasetId,
+            type: CloudBrainType,
+            _csrf: csrf,
+          })
+        );
+      }
+    },
+
+    async getSuccessChunks(file) {
+      const params = {
+        params: {
+          md5: file.uniqueIdentifier,
+          type: CloudBrainType,
+          _csrf: csrf
+        }
+      };
+      try {
+        const response = await axios.get('/attachments/get_chunks', params);
+        file.uploadID = response.data.uploadID;
+        file.uuid = response.data.uuid;
+        file.uploaded = response.data.uploaded;
+        file.chunks = response.data.chunks;
+        file.attachID = response.data.attachID;
+        file.datasetID = response.data.datasetID;
+        file.datasetName = response.data.datasetName;
+        file.realName = response.data.fileName;
+        return file;
+      } catch (error) {
+        this.emitDropzoneFailed(file);
+        console.log('getSuccessChunks catch: ', error);
+        return null;
+      }
+    },
+
+    async newMultiUpload(file) {
+      const res = await axios.get('/attachments/new_multipart', {
+        params: {
+          totalChunkCounts: file.totalChunkCounts,
+          md5: file.uniqueIdentifier,
+          size: file.size,
+          fileType: file.type,
+          type: CloudBrainType,
+          _csrf: csrf
+        }
       });
+      file.uploadID = res.data.uploadID;
+      file.uuid = res.data.uuid;
     },
 
-    // 断点续传
-    do_multi_uploader(file){
-      const result = this.get_result()
-      const upload_datasetId = document
-        .getElementById('datasetId')
-        .getAttribute('datasetId');
-      const obsClient = this.getObsClient(result)
-      const _this = this
-      var cp;
-      var hook;
+    multipartUpload(file) {
+      const blobSlice =
+          File.prototype.slice ||
+          File.prototype.mozSlice ||
+          File.prototype.webkitSlice,
+        chunkSize = 1024 * 1024 * 64,
+        chunks = Math.ceil(file.size / chunkSize),
+        fileReader = new FileReader(),
+        time = new Date().getTime();
+      let currentChunk = 0;
 
-      obsClient.uploadFile({
-        Bucket : result.bucket,
-        Key : result.key,
-        SourceFile : file,
-        PartSize : 64 * 1024 * 1024,
+      function loadNext() {
+        const start = currentChunk * chunkSize;
+        const end =
+          start + chunkSize >= file.size ? file.size : start + chunkSize;
+        fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
+      }
 
-        // 更新进度条
-        ProgressCallback : function(transferredAmount, totalAmount, totalSeconds){
-          _this.updateProgress(file, ((transferredAmount / totalAmount) * 100).toFixed(2))
-          _this.status = `${_this.dropzoneParams.data('uploading')} ${(
-            (transferredAmount / totalAmount) *
-            100
-          ).toFixed(2)}%`;
-        },
+      function checkSuccessChunks() {
+        const index = successChunks.indexOf((currentChunk + 1).toString());
+        if (index == -1) {
+          return false;
+        }
+        return true;
+      }
 
-        // 监听文件上传结果
-        EventCallback : function(eventType, eventParam, eventResult){
-          console.log("eventType1= ", eventType)
-          console.log("eventParam1= ", eventParam)
-          console.log("eventResult1= ", eventResult)
-          // 文件上传成功
-          if(eventType == 'completeMultipartUploadSucceed'){
-            console.log("file = ", file)
-            $.ajax({
-              url: '/attachments/add',
-              type: 'POST',
-              data: {
-                'uuid': result.uuid,
-                'file_name': file.name,
-                'size': file.size,
-                'dataset_id': upload_datasetId,
-                '_csrf': csrf,
-                'type': 1
-              },
-              async: false,
-              success: function (data) {
-                _this.progress = 100;
-                _this.status = _this.dropzoneParams.data('upload-complete');
-                _this.emitDropzoneSuccess(file)
-                setTimeout(() => {
-                  window.location.reload();
-                }, 1000);
-              },
-              error: function(){
-                _this.emitDropzoneFailed(file)
-              }
-            });
+      async function getUploadChunkUrl(currentChunk, partSize) {
+        const res = await axios.get('/attachments/get_multipart_url', {
+          params: {
+            uuid: file.uuid,
+            uploadID: file.uploadID,
+            size: partSize,
+            chunkNumber: currentChunk + 1,
+            type: CloudBrainType,
+            _csrf: csrf
           }
-        },
-        ResumeCallback : function(resumeHook, uploadCheckpoint){
-          hook = resumeHook;
-          cp = uploadCheckpoint;
-        }
-      }, function(err, result){     
-          // 出现错误，再次调用断点续传接口，继续上传任务
-          if(err){
-            obsClient.uploadFile({
-              UploadCheckpoint : cp,
+        });
+        urls[currentChunk] = res.data.url;
+      }
 
-              // 断点续传后继续更新进度条
-              ProgressCallback : function(transferredAmount, totalAmount, totalSeconds){
-                _this.updateProgress(file, ((transferredAmount / totalAmount) * 100).toFixed(2))
-                _this.status = `${_this.dropzoneParams.data('uploading')} ${(
-                  (transferredAmount / totalAmount) *
-                  100
-                ).toFixed(2)}%`;
-              },
+      async function uploadMinio(url, e) {
+        let urls = [];
+        const res = await axios.put(url, e.target.result, {
+            headers: {
+              'Content-Type': ''
+            }});
+        etags[currentChunk] = res.headers.etag;
+      }
 
-              // 监听断点续传的结果
-              EventCallback : function(eventType, eventParam, eventResult){
-                console.log("eventType2= ", eventType)
-                console.log("eventParam2= ", eventParam)
-                console.log("eventResult2= ", eventResult)
-                // 文件断点续传成功
-                if(eventType == 'completeMultipartUploadSucceed'){
-                  $.ajax({
-                    url: '/attachments/add',
-                    type: 'POST',
-                    data: {
-                      'uuid': result.uuid,
-                      'file_name': file.name,
-                      'size': file.size,
-                      'dataset_id': upload_datasetId,
-                      '_csrf': csrf,
-                      'type': 1
-                    },
-                    async: false,
-                    success: function (data) {
-                      _this.progress = 100;
-                      _this.status = _this.dropzoneParams.data('upload-complete');
-                      _this.emitDropzoneSuccess(file)
-                      setTimeout(() => {
-                        window.location.reload();
-                      }, 1000);
-                      console.log(data)
-                    },
-                    error: function(){
-                      _this.emitDropzoneFailed(file)
-                    }
-                  });
-                }
-                if (eventType == 'uploadPartFailed'){
-                  _this.emitDropzoneFailed(file)
-                }
+      async function updateChunk(currentChunk) {
+        await axios.post(
+          '/attachments/update_chunk',
+          qs.stringify({
+            uuid: file.uuid,
+            chunkNumber: currentChunk + 1,
+            etag: etags[currentChunk],
+            type: CloudBrainType,
+            _csrf: csrf
+          })
+        );
+      }
+      async function uploadChunk(e) {
+        try {
+          if (!checkSuccessChunks()) {
+            const start = currentChunk * chunkSize;
+            const partSize =
+            start + chunkSize >= file.size ? file.size - start : chunkSize;
+            // 获取分片上传url
+            await getUploadChunkUrl(currentChunk, partSize);
+            if (urls[currentChunk] != '') {
+            // 上传到minio
+              await uploadMinio(urls[currentChunk], e);
+              if (etags[currentChunk] != '') {
+              // 更新数据库：分片上传结果
+                //await updateChunk(currentChunk);
+              } else {
+                console.log("上传到minio uploadChunk etags[currentChunk] == ''");// TODO
               }
-            });   
+            } else {
+              console.log("uploadChunk urls[currentChunk] != ''");// TODO
+            }
           }
-      });
-    },
+        } catch (error) {
+          this.emitDropzoneFailed(file);
+          console.log(error);
+        }
+      }
+
+      async function completeUpload() {
+        return await axios.post(
+          '/attachments/complete_multipart',
+          qs.stringify({
+            uuid: file.uuid,
+            uploadID: file.uploadID,
+            file_name: file.name,
+            size: file.size,
+            dataset_id: file.datasetId,
+            type: CloudBrainType,
+            _csrf: csrf
+          })
+        );
+      }
+
+      const successChunks = [];
+      let successParts = [];
+      successParts = file.chunks.split(',');
+      for (let i = 0; i < successParts.length; i++) {
+        successChunks[i] = successParts[i].split('-')[0];
+      }
+      const urls = []; // TODO const ?
+      const etags = [];
+      console.log('上传分片...');
+      this.status = this.dropzoneParams.data('uploading');
+      loadNext();
+      fileReader.onload = async (e) => {
+        await uploadChunk(e);
+        fileReader.abort();
+        currentChunk++;
+        if (currentChunk < chunks) {
+          console.log(
+            `第${currentChunk}个分片上传完成, 开始第${currentChunk +
+              1}/${chunks}个分片上传`
+          );
+          this.progress = Math.ceil((currentChunk / chunks) * 100);
+          this.updateProgress(file, ((currentChunk / chunks) * 100).toFixed(2));
+          this.status = `${this.dropzoneParams.data('uploading')} ${(
+            (currentChunk / chunks) *
+            100
+          ).toFixed(2)}%`;
+          await loadNext();
+        } else {
+          await completeUpload();
+          console.log(
+            `文件上传完成：${file.name} \n分片：${chunks} 大小:${
+              file.size
+            } 用时：${(new Date().getTime() - time) / 1000} s`
+          );
+          this.progress = 100;
+          this.status = this.dropzoneParams.data('upload-complete');
+          this.finishUpload(file);
+        }
+      };
+    }
   }
 };
 </script>