修复

src/layout/components/Sidebar/index.vue

@@ -22,7 +22,7 @@
           <el-menu-item index="/data/upload-file">jar包管理</el-menu-item>
           <el-submenu v-for="(myMenu,index) in menu" :key="myMenu.menuName" :index="'100-' + index">
             <template slot="title">{{ myMenu.menuName }}</template>
-            <el-menu-item v-for="(subMenu,index2) in myMenu.subMenus" :key="subMenu.path" :index="getIndex(index,index2)" @click="handleClick(subMenu)">{{ subMenu.subMenuName }}</el-menu-item>
+            <el-menu-item v-for="(subMenu,index2) in myMenu.subMenus" :key="'1000-' + index2" :index="getIndex(index,index2)" @click="handleClick(subMenu)">{{ subMenu.subMenuName }}</el-menu-item>
           </el-submenu>
         </el-submenu>
       </el-menu>