我也遇到了这个问题， mac环境，我在启动ide的时候没有开vpn，启动之后又开启了vpn，虽然设置显示的是跟随系统代理（猜测不知道我的vpn变化），所以产生了错误。 解决办法，重启ide就行

import {View} from '@tarojs/components' import Taro, { getCurrentInstance } from '@tarojs/taro' import { AtDivider, AtButton } from 'taro-ui' import Title from '@/components/TitleHandleData' import {local_data_path} from '@/config' import Item from './components/Item' import './index.less' import { useState } from 'react' const Index = p => { const objs = [ { name: '长度', eglish_name: 'cd', type: 'text', tips: '请输入长度' }, { name: '质量', eglish_name: 'zl', type: 'text', tips: '请输入质量信息' }, { name: '材质', eglish_name: 'cz', type: 'text', tips: '请输入刀具材质' }, { name: '划痕', eglish_name: 'hh', type: 'text', tips: '请确认该刀具是否有划痕' }, { name: '凹坑', eglish_name: 'ak', type: 'text', tips: '请确认该刀具是否有凹坑' }, { name: '涂层剥落', eglish_name: 'tcbl', type: 'text', tips: '请确认该刀具是否有涂层剥落' }, { name: '边缘豁口', eglish_name: 'byhk', type: 'text', tips: '请确认该刀具是否有边缘豁口' } ] let {files} = getCurrentInstance().router.params files = JSON.parse(files) const [localDataList, setLocalDataList] = useState([]) const handleLocalDataChange = ({index, data}) => { let ldl = localDataList ldl[index] = data setLocalDataList(ldl) } // 保存本地数据列表 const save_local_data_list = async e =>{ let list = [ ...localDataList ] console.log(list) for (let d of list){ await Taro.saveFile({ tempFilePath: d.file, success: res =>{ console.log(res.savedFilePath) d.filePath = res.savedFilePath } }) } console.log(list) } return ( <View className='addItem'> <Title title='基于机器学习的刀具表面缺陷检测及分类方法' subtitle='补充数据'/> {files.map((f, i)=><Item key={f} index={i} img={f} objs={objs} handleLocalDataChange={handleLocalDataChange}/>)} <AtButton type='primary' className='btn' onClick={save_local_data_list}>加入任务</AtButton> <AtDivider content='没有更多了' /> </View> ) } export default Index