diff --git a/src/App.vue b/src/App.vue
index f60b04f..4624c55 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -22,11 +22,61 @@
 </template>
 
 <script>
+import { setting } from './lib/dexie'
+const { remote } = require('electron')
 export default {
   name: 'App',
   data () {
     return {
-      appTheme: 'theme-light'
+      appTheme: 'theme-light',
+      winSizePosition: {
+        x: 0,
+        y: 0,
+        width: 0,
+        height: 0
+      }
+    }
+  },
+  created () {
+    // 窗口创建口，检查是否有窗口大小位置的记录，如果有的话，更新窗口位置及大小
+    setting.find().then(res => {
+      if (res.windowSizePosition) {
+        var win = remote.getCurrentWindow()
+        win.setBounds({
+          x: res.windowSizePosition.x,
+          y: res.windowSizePosition.y,
+          width: res.windowSizePosition.width,
+          height: res.windowSizePosition.height
+        })
+      }
+    })
+    var win = remote.getCurrentWindow()
+    this.winSizePosition = {
+      x: win.getPosition()[0],
+      y: win.getPosition()[1],
+      width: win.getSize()[0],
+      height: win.getSize()[1]
+    }
+  },
+  updated () {
+    // 本来想hook up到beforedestroy， 但不工作
+    // 每当窗口更新时，检查窗口大小及位置，记录到setting数据库中
+    const win = remote.getCurrentWindow()
+    var newWinSizePosition = {
+      x: win.getPosition()[0],
+      y: win.getPosition()[1],
+      width: win.getSize()[0],
+      height: win.getSize()[1]
+    }
+    if (newWinSizePosition.x !== this.winSizePosition.x ||
+        newWinSizePosition.y !== this.winSizePosition.y ||
+        newWinSizePosition.width !== this.winSizePosition.width ||
+        newWinSizePosition.height !== this.winSizePosition.height) {
+      this.winSizePosition = newWinSizePosition
+      setting.find().then(res => {
+        res.windowSizePosition = newWinSizePosition
+        setting.update(res)
+      })
     }
   },
   computed: {