* 增加Docker开发环境

* 更新Dockerfile构建文件，升级NodeJS依赖版本。
 * 遵循ESLint重新格式化代码，修复部分警告
 * 登录Token失效增加登出提示
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 * 升级UI依赖库

frontend/src/components/SvgIcon/index.vue

@@ -1,35 +1,35 @@
 <template>
   <svg :class="svgClass" aria-hidden="true" v-on="$listeners">
-    <use :xlink:href="iconName"/>
+    <use :xlink:href="iconName" />
   </svg>
 </template>
 
 <script>
-export default {
-  name: 'SvgIcon',
-  props: {
-    iconClass: {
-      type: String,
-      required: true
+  export default {
+    name: 'SvgIcon',
+    props: {
+      iconClass: {
+        type: String,
+        required: true
+      },
+      className: {
+        type: String,
+        default: ''
+      }
     },
-    className: {
-      type: String,
-      default: ''
-    }
-  },
-  computed: {
-    iconName () {
-      return `#icon-${this.iconClass}`
-    },
-    svgClass () {
-      if (this.className) {
-        return 'svg-icon ' + this.className
-      } else {
-        return 'svg-icon'
+    computed: {
+      iconName() {
+        return `#icon-${this.iconClass}`
+      },
+      svgClass() {
+        if (this.className) {
+          return 'svg-icon ' + this.className
+        } else {
+          return 'svg-icon'
+        }
       }
     }
   }
-}
 </script>
 
 <style scoped>