diff --git a/src/pages/index/dialog.vue b/src/pages/index/dialog.vue
index f8bd4c06..47fe4136 100644
--- a/src/pages/index/dialog.vue
+++ b/src/pages/index/dialog.vue
@@ -424,35 +424,35 @@ const talkItemEvents = ({ type, data, id, info = {} }) => {
       } else {
         const base_url = get_base_url('/traask/traFilePreview/')
         let fileUrl = base_url + '/traask/traFilePreview/' + info.docId
-				const localFilePath = '_doc/pdf_view/' + info.docName + '.pdf'
-				downloadAndSaveAvatar(fileUrl, localFilePath).then(res=>{
-					uni.openDocument({
-						filePath: res,
-						showMenu: true,
-						success: function () {
-							console.log('打开文档成功')
-						}
-					})
-				})
-      //   uni.downloadFile({
-      //     url: fileUrl,
-      //     success: function (res) {
-						
-      //       uni.saveFile({
-      //         tempFilePath: res.tempFilePath,
-      //         success: function (resS) {
-      //           var filePath = resS.savedFilePath
-      //           uni.openDocument({
-      //             filePath: filePath,
-      //             showMenu: true,
-      //             success: function () {
-      //               console.log('打开文档成功')
-      //             }
-      //           })
-      //         }
-      //       })
-      //     }
-      //   })
+        const localFilePath = '_doc/pdf_view/' + info.docName + '.pdf'
+        downloadAndSaveAvatar(fileUrl, localFilePath).then(res => {
+          uni.openDocument({
+            filePath: res,
+            showMenu: true,
+            success: function () {
+              console.log('打开文档成功')
+            }
+          })
+        })
+        //   uni.downloadFile({
+        //     url: fileUrl,
+        //     success: function (res) {
+
+        //       uni.saveFile({
+        //         tempFilePath: res.tempFilePath,
+        //         success: function (resS) {
+        //           var filePath = resS.savedFilePath
+        //           uni.openDocument({
+        //             filePath: filePath,
+        //             showMenu: true,
+        //             success: function () {
+        //               console.log('打开文档成功')
+        //             }
+        //           })
+        //         }
+        //       })
+        //     }
+        //   })
       }
       break
     case 'toCourse':
@@ -462,29 +462,39 @@ const talkItemEvents = ({ type, data, id, info = {} }) => {
       break
   }
 }
-	const downloadAndSaveAvatar = async (fileUrl, localFilePath) => {
-	  try {
-	    return new Promise((resolve, reject) => {
-	      console.log('开始下载:', fileUrl)
-	      const dtask = plus.downloader.createDownload(fileUrl, {
-	        filename: localFilePath
-	      }, (d, status) => {
-	        if (status === 200) {
-	          console.log("保存路径：", d.filename)
-	          resolve(d.filename)
-	        } else {
-	          console.error("文件下载失败：", status)
-	          reject(new Error(`下载失败，状态码: ${status}`))
-	        }
-	      })
-	      
-	      dtask.start()
-	    })
-	  } catch (error) {
-	    console.error('创建目录失败:', error)
-	    throw error
-	  }
-	}
+const downloadAndSaveAvatar = async (fileUrl, localFilePath) => {
+  try {
+    //#ifdef APP-PLUS
+    return new Promise((resolve, reject) => {
+      console.log('开始下载:', fileUrl)
+      const dtask = plus.downloader.createDownload(
+        fileUrl,
+        {
+          filename: localFilePath
+        },
+        (d, status) => {
+          if (status === 200) {
+            console.log('保存路径：', d.filename)
+            resolve(d.filename)
+          } else {
+            console.error('文件下载失败：', status)
+            reject(new Error(`下载失败，状态码: ${status}`))
+          }
+        }
+      )
+      dtask.start()
+    })
+    // #endif
+    //#ifdef H5
+    return new Promise((resolve, reject) => {
+      resolve()
+    })
+    // #endif
+  } catch (error) {
+    console.error('创建目录失败:', error)
+    throw error
+  }
+}
 const feedbackAnswer = params => {
   talkingList.value.forEach(t => {
     if (t.seqNo === params.askId) {
@@ -758,6 +768,18 @@ const changeAppHeightBottom = height => {
   bottomHeight.value = systemInfo.screenHeight - systemInfo.safeArea.bottom + 'px'
   // #endif
 }
+
+const deleteFolder = () => {
+  //#ifdef APP-PLUS
+  plus.io.resolveLocalFileSystemURL('_doc/pdf_view', function (entry) {
+    console.log('entry', entry)
+    entry.removeRecursively(function (res) {
+      console.log('删除成功')
+    })
+  })
+  // #endif
+}
+
 //#ifdef APP-PLUS
 onHide(() => {
   uni.offKeyboardHeightChange(setHeight)
@@ -768,6 +790,7 @@ onShow(() => {
 // #endif
 onUnload(() => {
   watchFlag.value = 1
+  deleteFolder()
   socketStore?.closeSocket()
   // setupKeyboardHeightListener(changeAppHeightBottom)
 })