diff --git a/unitool.js b/unitool.js
index f6141ed..c439452 100644
--- a/unitool.js
+++ b/unitool.js
@@ -342,10 +342,7 @@ export default {
 
     let filePath,
       cloudPath,
-      systemInfo = uni
-        .getSystemInfoSync()
-        .system.toLowerCase()
-        .replace(/\s+/g, '')
+      osName = uni.getSystemInfoSync().osName
     if (mediaType === 'image') {
       let [errorChoose, { tempFilePaths, tempFiles } = {}] = await uni.chooseImage({ count, sizeType, sourceType })
       //      uni.showModal({ title: 'tempFilePaths[0]=' + tempFilePaths[0] })
@@ -353,37 +350,44 @@ export default {
       // #ifndef H5
       // let [errorGetImageInfo, { path, width, height, orientation, type }] = await uni.getImageInfo({ src: filePath })
       // cloudPath = path // 完整路径，包含后缀名。形如 file:///var/mobile/Containers/Data/Application/55A76332-44F5-4D5F-A9F6-3F857D584883/Documents/Pandora/apps/D064A425A8BEC13F9D8F741B98B37BC5/doc/uniapp_temp_1598593902955/compressed/1598593925815.png
-      cloudPath = `APP_${systemInfo}__${filePath}` // 在 iOS 上是 "_doc/uniapp_temp_1598593902955/compressed/1598593925815.png", 有时还包含从 file:/// 开始的完整路径名
+      cloudPath = `APP_${osName}__${filePath}` // 在 iOS 上是 "_doc/uniapp_temp_1598593902955/compressed/1598593925815.png", 有时还包含从 file:/// 开始的完整路径名
       // #endif
       // #ifdef H5
-      cloudPath = `H5_${systemInfo}_${this.parse_ua_to_browser()}__${tempFiles[0].name}` // name is available in H5 only. 只包含文件名和后缀名，不包含路径。
+      cloudPath = `H5_${osName}_${this.parse_ua_to_browser()}__${tempFiles[0].name}` // name is available in H5 only. 只包含文件名和后缀名，不包含路径。
       // #endif
     } else if (mediaType === 'video') {
       let [errorChoose, { tempFilePath, tempFile, duration, size, width, height, name }] = await uni.chooseVideo({ sourceType, maxDuration })
       //      uni.showModal({ title: 'tempFilePath=' + tempFilePath })
       filePath = tempFilePath // 在 iOS 上形如 "file:///var/mobile/Containers/Data/Application/55A76332-44F5-4D5F-A9F6-3F857D584883/Documents/Pandora/apps/26B43CD2F587D37FC6799108434A6F84/doc/uniapp_temp_1598596171580/gallery/IMG_3082.MOV"
       // #ifndef H5
-      cloudPath = `APP_${systemInfo}_dur${duration}__${filePath}`
+      cloudPath = `APP_${osName}_dur${duration}__${filePath}`
       // #endif
       // #ifdef H5
-      cloudPath = `H5_${systemInfo}_${this.parse_ua_to_browser()}_dur${duration}__${name}` // tempFile and name are H5 only
+      cloudPath = `H5_${osName}_${this.parse_ua_to_browser()}_dur${duration}__${name}` // tempFile and name are H5 only
       // #endif
       // iOS 上测试，filePath 为 *.MOV，而阿里云只允许 *.mp4, 所以添加 .mp4 后缀。参见 https://uniapp.dcloud.net.cn/uniCloud/storage?id=clouduploadfile
       // 20200915测试，阿里云支持上传 *.mov 了。
       if (!/\.(mp4|mov)$/i.test(cloudPath)) cloudPath = cloudPath + '.mp4'
     } else {
-      return { _state: 'CLIENT_FAIL_UNKNOWN_MEDIA_TYPE' }
-    }
-
-    if (process.env.NODE_ENV !== 'production') {
-      cloudPath = 'dev_' + cloudPath
+      let { errMsg, tempFilePaths, tempFiles } = await uniCloud.chooseAndUploadFile({
+        type: 'all',
+        count: 1,
+        // extention: [],
+        // onChooseFile: ({ errMsg, tempFilePaths, tempFiles }) => { },
+        // onUploadProgress: ({ index, loaded, total, tempFilePath, tempFile }) => { }
+      })
+      if (errMsg === 'chooseAndUploadFile:ok') {
+        return { _state: 'SUCCESS', fileUrl: tempFiles?.[0]?.url }
+      } else {
+        return { _state: 'CLIENT_FAIL_chooseAndUploadFile' }
+      }
     }
 
     if (filePath) {
       uni.showLoading()
       const { fileID, requestId } = await uniCloud.uploadFile({
         filePath: filePath,
-        cloudPath: cloudPath, // 关键是要具有文件格式后缀名，这样可以保持阿里云下载链接也用这个后缀名。
+        cloudPath: process.env.NODE_ENV !== 'production' ? 'dev_' + cloudPath : cloudPath, // 关键是要具有文件格式后缀名，这样可以保持阿里云下载链接也用这个后缀名。
         fileType: mediaType, // = image, video, audio
         onUploadProgress: function (progressEvent) {
           var percentCompleted = Math.round((progressEvent.loaded * 100) / progressEvent.total)
@@ -393,9 +397,11 @@ export default {
 
       if (fileID) {
         return { _state: 'SUCCESS', fileUrl: fileID, requestId }
+      } else {
+        return { _state: 'CLIENT_WOBASE_FAIL_uploadFile' }
       }
     }
-    return { _state: 'CLIENT_FAIL_CHOOSE_FILE' }
+    return { _state: 'CLIENT_FAIL_chooseFile' }
   },
 
   async pickupFile ({