diff --git a/packages/gui/src/bridge/update/backend.js b/packages/gui/src/bridge/update/backend.js
index d534eef..5354e1b 100644
--- a/packages/gui/src/bridge/update/backend.js
+++ b/packages/gui/src/bridge/update/backend.js
@@ -162,11 +162,11 @@ function updateHandle (app, api, win, beforeQuit, quit, log) {
           } else {
             message = '检查更新失败: ' + (bodyObj && bodyObj.message ? bodyObj.message : body)
           }
-          win.webContents.send('update', { key: 'error', error: message })
+          win.webContents.send('update', { key: 'error', action: 'checkForUpdate', error: message })
         }
       } catch (e) {
         log.error('检查更新失败:', e)
-        win.webContents.send('update', { key: 'error', error: '检查更新失败:' + e.message })
+        win.webContents.send('update', { key: 'error', action: 'checkForUpdate', error: '检查更新失败:' + e.message })
       }
     })
   }
diff --git a/packages/gui/src/bridge/update/front.js b/packages/gui/src/bridge/update/front.js
index c471b5e..cac0dc3 100644
--- a/packages/gui/src/bridge/update/front.js
+++ b/packages/gui/src/bridge/update/front.js
@@ -31,6 +31,7 @@ function install (app, api) {
     const type = message.key
     if (type === 'available') {
       updateParams.checking = false
+      updateParams.newVersionData = message.value
       foundNewVersion(message.value)
     } else if (type === 'notAvailable') {
       updateParams.checking = false
@@ -45,8 +46,13 @@ function install (app, api) {
     } else if (type === 'error') {
       updateParams.checking = false
       updateParams.downloading = false
-      const error = message.error
-      app.$message.error((error == null ? '未知错误' : (error.stack || error).toString()))
+      if (message.action === 'checkForUpdate' && updateParams.newVersionData) {
+        // 如果检查更新报错了，但刚才成功拿到过一次数据，就拿之前的数据
+        foundNewVersion(updateParams.newVersionData)
+      } else {
+        const error = message.error
+        app.$message.error((error == null ? '未知错误' : (error.stack || error).toString()))
+      }
     }
   }