diff --git a/packages/gui/src/bridge/update/backend.js b/packages/gui/src/bridge/update/backend.js
index 4e10446..d534eef 100644
--- a/packages/gui/src/bridge/update/backend.js
+++ b/packages/gui/src/bridge/update/backend.js
@@ -132,7 +132,7 @@ function updateHandle (app, api, win, beforeQuit, quit, log) {
               win.webContents.send('update', {
                 key: 'available',
                 value: {
-                  version: versionData.tag_name,
+                  version,
                   releaseNotes: '发布公告：' + (versionData.html_url || ('https://github.com/docmirror/dev-sidecar/releases/tag/' + versionData.tag_name))
                 }
               })
diff --git a/packages/gui/src/bridge/update/front.js b/packages/gui/src/bridge/update/front.js
index 596fbba..c471b5e 100644
--- a/packages/gui/src/bridge/update/front.js
+++ b/packages/gui/src/bridge/update/front.js
@@ -134,7 +134,7 @@ function install (app, api) {
     }
     console.log(value)
     app.$confirm({
-      title: '发现新版本：' + value.version,
+      title: '发现新版本：v' + value.version,
       cancelText: '暂不升级',
       okText: '升级',
       width: 710,
@@ -163,24 +163,26 @@ function install (app, api) {
 
   function newUpdateIsReady (value) {
     updateParams.downloading = false
+    console.log(value)
     app.$confirm({
-      title: `新版本(v${value.version})已准备好,是否立即升级?`,
+      title: `新版本(v${value.version})已准备好，是否立即升级?`,
       cancelText: '暂不升级',
       okText: '立即升级',
       content: h => {
-        console.log(value)
         if (value.releaseNotes) {
-          const notes = []
-          for (const note of value.releaseNotes) {
-            notes.push(<li>{note}</li>)
+          if (typeof value.releaseNotes === 'string') {
+            return <div>{value.releaseNotes}</div>
+          } else {
+            const notes = []
+            for (const note of value.releaseNotes) {
+              notes.push(<li>{note}</li>)
+            }
+            return <div><div>更新内容：</div><ol>{notes}</ol></div>
           }
-          return <div><div>更新内容：</div><ol>{notes}</ol></div>
         }
       },
       onOk () {
         api.update.doUpdateNow()
-      },
-      onCancel () {
       }
     })
   }
diff --git a/packages/gui/src/view/pages/index.vue b/packages/gui/src/view/pages/index.vue
index 0e9d90d..de21ec5 100644
--- a/packages/gui/src/view/pages/index.vue
+++ b/packages/gui/src/view/pages/index.vue
@@ -171,7 +171,7 @@ export default {
     this.switchBtns = this.createSwitchBtns()
     this.$set(this, 'update', this.$global.update)
     if (!this.update.autoChecked && this.config.app.autoChecked) {
-      this.update.autoChecked = true // 应用启动时，只执行一遍
+      this.update.autoChecked = true // 应用启动时，执行一次
       this.doCheckUpdate(false)
     }
     this.$api.info.get().then(ret => {