npm run serve报错

 

是因为ts吗？还是因为bootstrap，百度试了好多方法都不行还是报错。
error  in ./src/App.vue?vue&type=script&lang=ts
Module not found: Error: Can't resolve 'bootstrap/dist/css/bootstrap.min.css' in '/Users/hanhaoyang/Desktop/练习项目/zheye/src'

ERROR in ./src/App.vue?vue&type=script&lang=ts (./node_modules/ts-loader/index.js??clonedRuleSet-40.use[0]!./node_modules/vue-loader/dist/index.js??ruleSet[0].use[0]!./src/App.vue?vue&type=script&lang=ts) 5:0-47

Module not found: Error: Can't resolve 'bootstrap/dist/css/bootstrap.min.css' in '/Users/hanhaoyang/Desktop/练习项目/zheye/src'
@ ./src/App.vue?vue&type=script&lang=ts 1:0-182 1:0-182 1:183-354 1:183-354
@ ./src/App.vue 2:0-54 3:0-49 3:0-49 6:49-55
@ ./src/main.ts 5:47-67