fix 社区菜单问题

src/views/Home.vue

@@ -62,7 +62,7 @@
                   </template>
                   <el-menu-item
                     v-for="child in item.children"
-                    :index="child.path=='etaForum'?null:child.path"
+                    :index="child.path=='etaForum'?$route.fullPath:child.path"
                     :path="child.path"
                     :key="child.path"
                     v-show="!child.hidden"