1. 报错slot

slot` attributes are deprecated. 

改成了

<el-dropdown-menu>
              <slot name="dropdown">
              <el-dropdown-item>我的消息</el-dropdown-item>
              <el-dropdown-item>设置</el-dropdown-item>
              <el-dropdown-item divided @click="logout"
                >退出登录</el-dropdown-item
              >
              </slot>
            </el-dropdown-menu>

2、ts 引入 js文件报错

https://blog.csdn.net/a1059526327/article/details/110387567

 

3. vue3.0 不在支持native

https://blog.csdn.net/qq_33891000/article/details/111678309