修复之前 filename 书写错误

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src/pages/demo/playground/index/index.vue

@@ -11,7 +11,9 @@
 <script>
 export default {
   data () {
-    filename: __filename
-  }  
+    return {
+      filename: __filename
+    }
+  }
 }
 </script>

src/pages/demo/playground/log/console/index.vue

@@ -43,7 +43,9 @@
 <script>
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   methods: {
     handleColorful () {

src/pages/demo/playground/log/error/index.vue

@@ -9,7 +9,9 @@
 <script>
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   methods: {
     handleNewError () {

src/pages/demo/playground/page-argu/get.vue

@@ -10,7 +10,9 @@
 <script>
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   mounted () {
     console.log('this.$route', this.$route)

src/pages/demo/playground/page-cache/params.vue

@@ -20,7 +20,9 @@ export default {
     }
   },
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   computed: {
     /**

src/pages/demo/playground/store/fullscreen/index.vue

@@ -11,7 +11,9 @@
 import { mapActions } from 'vuex'
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   methods: {
     ...mapActions('d2admin/fullscreen', [

src/pages/demo/playground/store/transition/index.vue

@@ -18,7 +18,9 @@ export default {
     ])
   },
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   methods: {
     ...mapActions('d2admin/transition', [

src/pages/demo/playground/store/ua/index.vue

@@ -11,7 +11,9 @@
 import { mapState } from 'vuex'
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   computed: {
     ...mapState('d2admin/ua', {

src/pages/demo/plugins/i18n/demo1.vue

@@ -13,7 +13,9 @@ export default {
     DemoI18n: () => import('./components/DemoI18n')
   },
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   }
 }
 </script>

src/pages/demo/plugins/i18n/demo2.vue

@@ -13,7 +13,9 @@ export default {
     DemoI18n: () => import('./components/DemoI18n')
   },
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   }
 }
 </script>

src/pages/demo/plugins/index/index.vue

@@ -11,7 +11,9 @@
 <script>
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   }
 }
 </script>

src/pages/demo/plugins/js-cookie/index.vue

@@ -26,7 +26,9 @@
 import util from '@/libs/util.js'
 export default {
   data () {
-    filename: __filename
+    return {
+      filename: __filename
+    }
   },
   methods: {
     set (name = 'default-name', value = 'default-value') {