[vue-loader] src\components\login\login.vue: named exports in *.vue files are ignored. forgetPwd1.vue?28b6:6 [vue-loader] src\components\login\forgetPwd1.vue: named exports in *.vue files are ignored. forgetPwd2.vue?e3c6:6 [vue-loader] src\components\login\forgetPwd2.vue: named exports in *.vue files are ignored. forgetPwd3.vue?ce14:6 [vue-loader] src\components\login\forgetPwd3.vue: named exports in *.vue files are ignored. forgetPwd4.vue?4b37:6 [vue-loader] src\components\login\forgetPwd4.vue: named exports in *.vue files are ignored. forgetPwd5.vue?f51d:6 [vue-loader] src\components\login\forgetPwd5.vue: named exports in *.vue files are ignored. station.vue?f3e0:6 [vue-loader] src\components\indexinfo\station.vue: named exports in *.vue files are ignored. station_international.vue?8a4f:6 [vue-loader] src\components\indexinfo\station_international.vue: named exports in *.vue files are ignored. alarm.vue?0ae8:6

问题出现的原因：我把node_modules删除后，重新npm install就出现了。