diff --git a/src/api/user.js b/src/api/user.js
index cfd24f3..f1a06c7 100644
--- a/src/api/user.js
+++ b/src/api/user.js
@@ -54,6 +54,14 @@ export function getInfo(params) {
   })
 }
 
+export function getUsername(params) {
+  return request({
+    url: 'user/username',
+    method: 'get',
+    params
+  })
+}
+
 export function userList(params) {
   return request({
     url: 'user/userList',
diff --git a/src/components/Minder/minder.vue b/src/components/Minder/minder.vue
index 8c4b06c..c21ced8 100644
--- a/src/components/Minder/minder.vue
+++ b/src/components/Minder/minder.vue
@@ -178,7 +178,7 @@ export default {
           return
         }
         let request = 'previewText'
-        if (this.hasReadOnly) {
+        if (!this.$store.state.user.token) {
           request = 'sharePreviewText'
         }
         this.content = null
@@ -411,6 +411,7 @@ export default {
         relativePath: encodeURI(this.file.path + this.file.name),
         userId: this.$store.state.user.userId,
         username: this.$store.state.user.name,
+        mountFileId: this.$store.state.user.userId !== this.file.userId ? this.file.id : '',
         contentText: value
       }).then(() => {
         this.saveBtnUpdating = false
diff --git a/src/components/ShowFile/ShowFile.vue b/src/components/ShowFile/ShowFile.vue
index 80ff4df..8cf64f3 100644
--- a/src/components/ShowFile/ShowFile.vue
+++ b/src/components/ShowFile/ShowFile.vue
@@ -869,6 +869,7 @@ import fileConfig from "@/utils/file-config";
 import EditElement from "@/views/markdown/EditElement";
 import OfficePreview from "@/components/preview/OfficePreview";
 import ShareDialog from "@/components/ShareDialog/index.vue";
+import {getUsername} from "@/api/user";
 
 export default {
   name: "ShowFile",
@@ -2621,8 +2622,25 @@ export default {
         this.pageLoadCompleteList[this.pagination.pageIndex] = true;
       });
       // 加载菜单状态
-      this.loadContextMenus();
+      this.loadContextMenus()
       // 高亮新增的文件
+      this.highlightNewFile()
+      // 设置挂载文件的用户名(文件的所有者)
+      this.setMountFileOwner()
+    },
+    // 设置挂载文件的用户名(文件的所有者)
+    setMountFileOwner() {
+      if (this.$route.query.folder && this.fileList.length > 0) {
+        let firstFile = this.fileList[0]
+        if (firstFile.userId !== this.$store.getters.userId) {
+          getUsername({userId: firstFile.userId}).then(res => {
+            localStorage.setItem('mountFileOwner', res.data)
+          })
+        }
+      }
+    },
+    // 高亮新增文件
+    highlightNewFile() {
       if (this.onCreateFilename) {
         let index = this.fileList.findIndex(item => item.name === this.onCreateFilename);
         if (index > -1) {
diff --git a/src/components/office/Drawio.vue b/src/components/office/Drawio.vue
index ea08b45..932ffa4 100644
--- a/src/components/office/Drawio.vue
+++ b/src/components/office/Drawio.vue
@@ -101,7 +101,7 @@ export default {
         }
         this.xml = ''
         let request = 'previewText'
-        if(this.readOnly){
+        if (!this.$store.state.user.token) {
           request = 'sharePreviewText'
         }
         api[request]({
@@ -221,6 +221,7 @@ export default {
         relativePath: encodeURI(this.file.path + this.file.name),
         userId: this.$store.state.user.userId,
         username: this.$store.state.user.name,
+        mountFileId: this.$store.state.user.userId !== this.file.userId ? this.file.id : '',
         contentText: value
       }).then(() => {
         this.saveBtnUpdating = false
diff --git a/src/components/preview/OfficePreview.vue b/src/components/preview/OfficePreview.vue
index 3361a4e..fa9e5d4 100644
--- a/src/components/preview/OfficePreview.vue
+++ b/src/components/preview/OfficePreview.vue
@@ -93,7 +93,7 @@ export default {
         this.$nextTick(() => {
           this.previewDocument = document.querySelector('.preview-block')
         })
-        this.checkReadOnly(this.file.userId)
+        this.checkReadOnly(this.file)
         // 12秒后还没加载出来视为加载失败
         let that = this
         this.delayClosing = setTimeout(function () {
@@ -208,10 +208,13 @@ export default {
     },
     /**
      * 检查要预览调文件是否为只读
-     * @param fileUserId userId
+     * @param file userId
      */
-    checkReadOnly(fileUserId){
-      if(this.$store.state.user.token && this.$store.state.user.userId === fileUserId){
+    checkReadOnly(file){
+      if(this.$store.state.user.token && this.$store.state.user.userId === file.userId){
+        this.readOnly = false
+      }
+      if (this.$store.state.user.token && file.operationPermissionList && file.operationPermissionList.indexOf('PUT') > -1) {
         this.readOnly = false
       }
       if (!this.$pc && this.fileType === 'office') {
diff --git a/src/components/preview/SimTextPreview.vue b/src/components/preview/SimTextPreview.vue
index c3d5700..7833f10 100644
--- a/src/components/preview/SimTextPreview.vue
+++ b/src/components/preview/SimTextPreview.vue
@@ -809,7 +809,7 @@
         } else {
           this.mountFileId = file.id
         }
-        if (file.operationPermissionList && file.operationPermissionList.indexOf('PUT') > -1) {
+        if (this.$store.state.user.token && file.operationPermissionList && file.operationPermissionList.indexOf('PUT') > -1) {
           this.options.readOnly = false
           this.panelReadOnly = true
           return
diff --git a/src/utils/file-config.js b/src/utils/file-config.js
index 86cc4f8..4b40280 100644
--- a/src/utils/file-config.js
+++ b/src/utils/file-config.js
@@ -1,4 +1,5 @@
 import fileApi from '@/api/file-api'
+import store from '@/store'
 
 export default {
   baseUrl: '/api',
@@ -20,7 +21,11 @@ export default {
   },
   // 预览文件的url
   previewUrl: function(username, file, token, shareToken) {
-    let fileUrl = `${this.baseUrl}/file/${username}${encodeURI(file.path)}${encodeURI(file.name)}`
+    let owner = username
+    if (username !== store.getters.username) {
+      owner = localStorage.getItem('mountFileOwner')
+    }
+    let fileUrl = `${this.baseUrl}/file/${owner}${encodeURI(file.path)}${encodeURI(file.name)}`
     fileUrl = fileUrl.replace(/%5C/g, '/')
     if (token) {
       return `${fileUrl}?jmal-token=${token}&name=${username}`