【报Bug】Module not found: Error: Can't resolve '@vant/weapp/button/index一直显示找不到组件

示例代码：

INFO Starting development server...
19:38:43.811 WARNING: Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\dialog'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\goods-action-button'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\goods-action-icon'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\submit-bar'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\jiedandating'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\news'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\songhuoyuanyunsongzhong'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xueshenyiwancheng'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xueshenyunsongzhong'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xzs-header'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xzs-news-item'

操作步骤：

运行到浏览器

预期结果：

正常运行

实际结果：

19:38:25.843 项目 学校送货上门服务系统_uni 开始编译
19:38:27.829 请注意运行模式下，因日志输出、sourcemap以及未压缩源码等原因，性能和包体积，均不及发行模式。
19:38:28.901 正在编译中...
19:38:30.173 INFO Starting development server...
19:38:43.811 WARNING: Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\dialog'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\goods-action-button'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\goods-action-icon'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/button/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\submit-bar'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\jiedandating'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\news'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\songhuoyuanyunsongzhong'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xueshenyiwancheng'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xueshenyunsongzhong'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xzs-header'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\components\xzs-news-item'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\pages\newsDetail'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\pages\search'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\action-sheet'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\button'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\cell'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\checkbox'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\field'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\goods-action-icon'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\nav-bar'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\notice-bar'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\popup'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\radio'
19:38:43.811 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\rate'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\steps'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\submit-bar'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\tabbar-item'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\tag'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\toast'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/icon/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\tree-select'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\pages\classify'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\pages\dingdan'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\pages\login'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\pages\news'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\action-sheet'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\button'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\switch'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/loading/index' in 'E:\wx\学校送货上门服务系统_uni\wxcomponents\vant\toast'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/skeleton/index' in 'E:\wx\学校送货上门服务系统_uni\pages\proDetail'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/tab/index' in 'E:\wx\学校送货上门服务系统_uni\pages\classify'
19:38:43.812 Module not found: Error: Can't resolve '@vant/weapp/tabs/index' in 'E:\wx\学校送货上门服务系统_uni\pages\classify'
19:38:43.812 App running at:
19:38:43.812 - Local: http://localhost:8080/
19:38:43.812 - Network: http://10.61.227.232:8080/
19:38:43.812 项目 学校送货上门服务系统_uni 编译成功。前端运行日志，请另行在浏览器的控制台查看。
19:38:43.812 点击控制台右上角debug图标（虫子），可开启断点调试（添加断点：双击编辑器行号添加断点）
19:38:43.812 Web版常见问题参考: https://ask.dcloud.net.cn/article/35232