修改package.json , 在编译命令上加入 UNI_OUTPUT_DIR=../dist 这个变量就可以了！

下面这个是，h5模式的一个编译目录修改示例

{ "name": "my-project", "version": "0.1.0", "private": true, "scripts": { "serve": "npm run dev:h5", "build": "npm run build:h5", "build:app-plus": "cross-env NODE_ENV=production UNI_PLATFORM=app-plus vue-cli-service uni-build", "build:custom": "cross-env NODE_ENV=production uniapp-cli custom", "build:h5": "cross-env UNI_OUTPUT_DIR=../dist NODE_ENV=production UNI_PLATFORM=h5 vue-cli-service uni-build", // 在编译命令加入 UNI_OUTPUT_DIR=../dist "build:mp-360": "cross-env NODE_ENV=production UNI_PLATFORM=mp-360 vue-cli-service uni-build", "build:mp-alipay": "cross-env NODE_ENV=production UNI_PLATFORM=mp-alipay vue-cli-service uni-build", "build:mp-baidu": "cross-env NODE_ENV=production UNI_PLATFORM=mp-baidu vue-cli-service uni-build", "build:mp-kuaishou": "cross-env NODE_ENV=production UNI_PLATFORM=mp-kuaishou vue-cli-service uni-build", "build:mp-qq": "cross-env NODE_ENV=production UNI_PLATFORM=mp-qq vue-cli-service uni-build", "build:mp-toutiao": "cross-env NODE_ENV=production UNI_PLATFORM=mp-toutiao vue-cli-service uni-build", "build:mp-weixin": "cross-env NODE_ENV=production UNI_PLATFORM=mp-weixin vue-cli-service uni-build", "build:quickapp-native": "cross-env NODE_ENV=production UNI_PLATFORM=quickapp-native vue-cli-service uni-build", "build:quickapp-webview": "cross-env NODE_ENV=production UNI_PLATFORM=quickapp-webview vue-cli-service uni-build", "build:quickapp-webview-huawei": "cross-env NODE_ENV=production UNI_PLATFORM=quickapp-webview-huawei vue-cli-service uni-build", "build:quickapp-webview-union": "cross-env NODE_ENV=production UNI_PLATFORM=quickapp-webview-union vue-cli-service uni-build", "dev:app-plus": "cross-env NODE_ENV=development UNI_PLATFORM=app-plus vue-cli-service uni-build --watch", "dev:custom": "cross-env NODE_ENV=development uniapp-cli custom", "dev:h5": "cross-env NODE_ENV=development UNI_PLATFORM=h5 vue-cli-service uni-serve", "dev:mp-360": "cross-env NODE_ENV=development UNI_PLATFORM=mp-360 vue-cli-service uni-build --watch", "dev:mp-alipay": "cross-env NODE_ENV=development UNI_PLATFORM=mp-alipay vue-cli-service uni-build --watch", "dev:mp-baidu": "cross-env NODE_ENV=development UNI_PLATFORM=mp-baidu vue-cli-service uni-build --watch", "dev:mp-kuaishou": "cross-env NODE_ENV=development UNI_PLATFORM=mp-kuaishou vue-cli-service uni-build --watch", "dev:mp-qq": "cross-env NODE_ENV=development UNI_PLATFORM=mp-qq vue-cli-service uni-build --watch", "dev:mp-toutiao": "cross-env NODE_ENV=development UNI_PLATFORM=mp-toutiao vue-cli-service uni-build --watch", "dev:mp-weixin": "cross-env NODE_ENV=development UNI_PLATFORM=mp-weixin vue-cli-service uni-build --watch", "dev:quickapp-native": "cross-env NODE_ENV=development UNI_PLATFORM=quickapp-native vue-cli-service uni-build --watch", "dev:quickapp-webview": "cross-env NODE_ENV=development UNI_PLATFORM=quickapp-webview vue-cli-service uni-build --watch", "dev:quickapp-webview-huawei": "cross-env NODE_ENV=development UNI_PLATFORM=quickapp-webview-huawei vue-cli-service uni-build --watch", "dev:quickapp-webview-union": "cross-env NODE_ENV=development UNI_PLATFORM=quickapp-webview-union vue-cli-service uni-build --watch", "info": "node node_modules/@dcloudio/vue-cli-plugin-uni/commands/info.js", "serve:quickapp-native": "node node_modules/@dcloudio/uni-quickapp-native/bin/serve.js", "test:android": "cross-env UNI_PLATFORM=app-plus UNI_OS_NAME=android jest -i", "test:h5": "cross-env UNI_PLATFORM=h5 jest -i", "test:ios": "cross-env UNI_PLATFORM=app-plus UNI_OS_NAME=ios jest -i", "test:mp-baidu": "cross-env UNI_PLATFORM=mp-baidu jest -i", "test:mp-weixin": "cross-env UNI_PLATFORM=mp-weixin jest -i" } }