diff --git a/packages/vue-cli-plugin-uni/commands/build.js b/packages/vue-cli-plugin-uni/commands/build.js
index cad7e5941465d2118a24ec8eb820f8a9f8920d5e..9744264cfeeb4a94dfc27dfc5da69ab758ab5c98 100644
--- a/packages/vue-cli-plugin-uni/commands/build.js
+++ b/packages/vue-cli-plugin-uni/commands/build.js
@@ -1,4 +1,5 @@
 const path = require('path')
+const webpack = require('webpack')
 
 const {
   runByHBuilderX,
@@ -98,14 +99,18 @@ function getWebpackConfig (api, args, options) {
   if (args.minimize && process.env.NODE_ENV !== 'production') {
     modifyConfig(webpackConfig, config => {
       config.optimization.minimize = true
+      if (webpack.version[0] <= 4) {
       config.optimization.namedModules = false
+      }
     })
   } else {
     modifyConfig(webpackConfig, config => {
       if (!config.optimization) {
         config.optimization = {}
       }
+      if (webpack.version[0] <= 4) {
       config.optimization.namedModules = false
+      }
     })
   }
   return webpackConfig
@@ -131,7 +136,6 @@ function getWebpackConfigs (api, args, options) {
 async function build (args, api, options) {
   const fs = require('fs-extra')
   const chalk = require('chalk')
-  const webpack = require('webpack')
 
   const {
     log,
diff --git a/packages/vue-cli-plugin-uni/commands/serve.js b/packages/vue-cli-plugin-uni/commands/serve.js
index 3a2d36d560236efa59c48d44a9f9bf0d5c571276..b2d04db4a9d9ca4a305dcac24405f7f39e8859ee 100644
--- a/packages/vue-cli-plugin-uni/commands/serve.js
+++ b/packages/vue-cli-plugin-uni/commands/serve.js
@@ -37,7 +37,7 @@ module.exports = (api, options) => {
 
     const url = require('url')
     const path = require('path')
-    const chalk = require('chalk')
+    const { chalk } = require('@vue/cli-shared-utils')
     const webpack = require('webpack')
     const WebpackDevServer = require('webpack-dev-server')
     const portfinder = require('portfinder')
@@ -139,7 +139,56 @@ module.exports = (api, options) => {
     const compiler = webpack(webpackConfig)
 
     // create server
-    const server = new WebpackDevServer(compiler, Object.assign({
+    let server
+    if (webpack.version[0] > 4) {
+      server = new WebpackDevServer(Object.assign({
+        historyApiFallback: {
+          disableDotRule: true,
+          rewrites: [{
+            from: /./,
+            to: path.posix.join(options.publicPath, 'index.html')
+          }]
+        },
+        hot: !isProduction,
+        compress: isProduction,
+        static: {
+          directory: api.resolve('public'),
+          publicPath: options.publicPath,
+          watch: !isProduction,
+          ...projectDevServerOptions.static
+        },
+        client: {
+          logging: 'none',
+          overlay: isProduction // TODO disable this
+            ? false
+            : { warnings: false, errors: true },
+          progress: !process.env.VUE_CLI_TEST,
+          ...projectDevServerOptions.client
+        }
+      }, projectDevServerOptions, {
+        https: useHttps,
+        proxy: proxySettings,
+        setupMiddlewares (middlewares, devServer) {
+          // launch editor support.
+          // this works with vue-devtools & @vue/cli-overlay
+          devServer.app.use('/__open-in-editor', launchEditorMiddleware(() => console.log(
+            `To specify an editor, specify the EDITOR env variable or ` +
+            `add "editor" field to your Vue project config.\n`
+          )))
+
+          // allow other plugins to register middlewares, e.g. PWA
+          // todo: migrate to the new API interface
+          api.service.devServerConfigFns.forEach(fn => fn(devServer.app, devServer))
+
+          if (projectDevServerOptions.setupMiddlewares) {
+            return projectDevServerOptions.setupMiddlewares(middlewares, devServer)
+          }
+
+          return middlewares
+        }
+      }), compiler)
+    } else {
+      server = new WebpackDevServer(compiler, Object.assign({
       clientLogLevel: 'none',
       historyApiFallback: {
         disableDotRule: true,
@@ -176,11 +225,12 @@ module.exports = (api, options) => {
           server)
       }
     }))
+    }
 
     ;
     ['SIGINT', 'SIGTERM'].forEach(signal => {
       process.on(signal, () => {
-        server.close(() => {
+        server[webpack.version[0] > 4 ? 'stopCallback' : 'close'](() => {
           process.exit(0)
         })
       })
@@ -192,7 +242,7 @@ module.exports = (api, options) => {
       process.stdin.on('data', data => {
         if (data.toString() === 'close') {
           console.log('got close signal!')
-          server.close(() => {
+          server[webpack.version[0] > 4 ? 'stopCallback' : 'close'](() => {
             process.exit(0)
           })
         }
@@ -303,11 +353,15 @@ module.exports = (api, options) => {
         server.showStatus = function () {}
       }
 
+      if (webpack.version[0] > 4) {
+        server.start().catch(err => reject(err))
+      } else {
       server.listen(port, host, err => {
         if (err) {
           reject(err)
         }
       })
+      }
     })
   })
 }
diff --git a/packages/vue-cli-plugin-uni/lib/app-plus/index.js b/packages/vue-cli-plugin-uni/lib/app-plus/index.js
index 99193bbe04ace95defe0d9e74a7a4838e7c86464..2cd3a4f518e94eed7c0b7ae84f4107438be973d2 100644
--- a/packages/vue-cli-plugin-uni/lib/app-plus/index.js
+++ b/packages/vue-cli-plugin-uni/lib/app-plus/index.js
@@ -70,7 +70,11 @@ const v3 = {
       webpackConfig.optimization = {}
     }
     // disable noEmitOnErrors
-    webpackConfig.optimization.noEmitOnErrors = false
+    if (webpack.version[0] > 4) {
+      webpackConfig.optimization.emitOnErrors = true
+    } else {
+      webpackConfig.optimization.noEmitOnErrors = false
+    }
 
     if (isAppService) {
       webpackConfig.optimization.runtimeChunk = {
@@ -134,7 +138,8 @@ const v3 = {
       output: {
         filename: '[name].js',
         chunkFilename: '[id].js',
-        globalObject: 'this'
+        // webpack5 use strict
+        globalObject: webpack.version[0] > 4 ? `(new Function("return this")())` : 'this'
       },
       performance: {
         hints: false
@@ -158,7 +163,7 @@ const v3 = {
               compiler: vueLoader.compiler,
               before: [
                 beforeCode + require('../util').getAutomatorCode() + statCode + pushCode + uniCloudCode +
-                  getGlobalUsingComponentsCode()
+                getGlobalUsingComponentsCode()
               ]
             }
           }]
diff --git a/packages/vue-cli-plugin-uni/lib/chain-webpack.js b/packages/vue-cli-plugin-uni/lib/chain-webpack.js
index 038402d71f470348ffc9f05fdf368afc02c29064..bfca415581e3d9351b9951f32dee2e5bf79520b0 100644
--- a/packages/vue-cli-plugin-uni/lib/chain-webpack.js
+++ b/packages/vue-cli-plugin-uni/lib/chain-webpack.js
@@ -1,4 +1,5 @@
 const path = require('path')
+const webpack = require('webpack')
 
 const {
   sassLoaderVersion
@@ -23,11 +24,22 @@ module.exports = function chainWebpack (platformOptions, vueOptions, api) {
     const urlLoader = require('@dcloudio/uni-cli-shared/lib/url-loader')
     const staticTypes = ['images', 'media', 'fonts']
     staticTypes.forEach(staticType => {
-      webpackConfig.module
-        .rule(staticType)
-        .use('url-loader')
-        .loader(urlLoader.loader)
-        .tap(options => Object.assign(options, urlLoader.options()))
+      const newOptions = urlLoader.options()
+      if (webpack.version[0] > 4) {
+        if ('limit' in newOptions) {
+          webpackConfig.module.rule(staticType).parser({
+            dataUrlCondition: {
+              maxSize: newOptions.limit
+            }
+          })
+        }
+      } else {
+        webpackConfig.module
+          .rule(staticType)
+          .use('url-loader')
+          .loader(urlLoader.loader)
+          .tap(options => Object.assign(options, newOptions))
+      }
     })
     // 条件编译 vue 文件统一直接过滤html,js,css三种类型,单独资源文件引用各自过滤
 
diff --git a/packages/vue-cli-plugin-uni/lib/configure-webpack.js b/packages/vue-cli-plugin-uni/lib/configure-webpack.js
index c71ec2b69fc074946eed4741098f9af9e42aac75..9ddf81b1ec0202feecc664df9443a7c45c003104 100644
--- a/packages/vue-cli-plugin-uni/lib/configure-webpack.js
+++ b/packages/vue-cli-plugin-uni/lib/configure-webpack.js
@@ -1,7 +1,6 @@
 const fs = require('fs')
 const path = require('path')
 const webpack = require('webpack')
-const RuleSet = require('webpack/lib/RuleSet')
 const CopyWebpackPlugin = require('copy-webpack-plugin')
 
 const merge = require('webpack-merge')
@@ -39,6 +38,37 @@ module.exports = function configureWebpack (platformOptions, manifestPlatformOpt
     return (rule, i) => {
       const clone = Object.assign({}, rule)
       delete clone.include
+      if (webpack.version[0] > 4) {
+        const BasicEffectRulePlugin = require('webpack/lib/rules/BasicEffectRulePlugin')
+        const BasicMatcherRulePlugin = require('webpack/lib/rules/BasicMatcherRulePlugin')
+        const RuleSetCompiler = require('webpack/lib/rules/RuleSetCompiler')
+        const UseEffectRulePlugin = require('webpack/lib/rules/UseEffectRulePlugin')
+        const ruleSetCompiler = new RuleSetCompiler([
+          new BasicMatcherRulePlugin('test', 'resource'),
+          new BasicMatcherRulePlugin('include', 'resource'),
+          new BasicMatcherRulePlugin('exclude', 'resource', true),
+          new BasicMatcherRulePlugin('resource'),
+          new BasicMatcherRulePlugin('conditions'),
+          new BasicMatcherRulePlugin('resourceQuery'),
+          new BasicMatcherRulePlugin('realResource'),
+          new BasicMatcherRulePlugin('issuer'),
+          new BasicMatcherRulePlugin('compiler'),
+          new BasicEffectRulePlugin('type'),
+          new BasicEffectRulePlugin('sideEffects'),
+          new BasicEffectRulePlugin('parser'),
+          new BasicEffectRulePlugin('resolve'),
+          new BasicEffectRulePlugin('generator'),
+          new UseEffectRulePlugin()
+        ])
+        const ruleSet = ruleSetCompiler.compile([{
+          rules: [clone]
+        }])
+        const rules = ruleSet.exec({
+          resource: fakeFile
+        })
+        return rules.length > 0 && rule.use
+      } else {
+        const RuleSet = require('webpack/lib/RuleSet')
       const normalized = RuleSet.normalizeRule(clone, {}, '')
       return (
         !rule.enforce &&
@@ -47,6 +77,7 @@ module.exports = function configureWebpack (platformOptions, manifestPlatformOpt
       )
     }
   }
+  }
 
   function updateJsLoader (rawRules, fakeFile, checkLoaderRegex, loader) {
     const matchRule = rawRules.find(createMatcher(fakeFile))
@@ -152,6 +183,7 @@ module.exports = function configureWebpack (platformOptions, manifestPlatformOpt
       if (Array.isArray(uses)) {
         if (uses.find(use => babelLoaderRe.test(use.loader))) {
           const index = uses.findIndex(use => cacheLoaderRe.test(use.loader))
+          if (index >= 0) {
           if (process.env.UNI_USING_CACHE) {
             Object.assign(uses[index].options, api.genCacheConfig(
               'babel-loader/' + process.env.UNI_PLATFORM,
@@ -163,6 +195,7 @@ module.exports = function configureWebpack (platformOptions, manifestPlatformOpt
         }
       }
     }
+    }
 
     // js preprocess
     updateJsLoader(rawRules, 'foo.js', babelLoaderRe, {
diff --git a/packages/vue-cli-plugin-uni/lib/h5/cssnano-options.js b/packages/vue-cli-plugin-uni/lib/h5/cssnano-options.js
index 5428a35896d8db2801ad35d8d65b6f9bb0eb6fe8..8a783f9ae51daae4fa1450127f0af0db434cd681 100644
--- a/packages/vue-cli-plugin-uni/lib/h5/cssnano-options.js
+++ b/packages/vue-cli-plugin-uni/lib/h5/cssnano-options.js
@@ -1,15 +1,24 @@
 const {
   getPlatformCssnano
 } = require('@dcloudio/uni-cli-shared')
+const webpack = require('webpack')
 
 module.exports = function initCssnanoOptions (webpackConfig) {
   const module = webpackConfig.module
   // TODO 临时 hack calc:false 看看 vue cli 后续是否开放 cssnano 的配置
   const cssnanoOptions = {
-    sourceMap: false,
-    plugins: [require('cssnano')({
+    sourceMap: false
+  }
+
+  const plugins = [require('cssnano')({
       preset: ['default', getPlatformCssnano()]
     })]
+
+  // TODO postcss-loader version > 4
+  if (webpack.version[0] > 4) {
+    cssnanoOptions.postcssOptions = { plugins }
+  } else {
+    cssnanoOptions.plugins = plugins
   }
 
   module.rule('css').oneOf('vue-modules').use('cssnano').loader('postcss-loader').options(cssnanoOptions)
diff --git a/packages/vue-cli-plugin-uni/lib/h5/index.js b/packages/vue-cli-plugin-uni/lib/h5/index.js
index e6ec19eb19c5e1247e72298257b5fb7381c5de55..d0d621ba7dffdc612fb12583e6f201d6e0d26e47 100644
--- a/packages/vue-cli-plugin-uni/lib/h5/index.js
+++ b/packages/vue-cli-plugin-uni/lib/h5/index.js
@@ -160,9 +160,13 @@ module.exports = {
       },
       plugins,
       optimization: {
-        moduleIds: 'hashed'
+        moduleIds: webpack.version[0] > 4 ? 'deterministic' : 'hashed'
       },
-      devServer: {
+      devServer: webpack.version[0] > 4 ? {
+        watchFiles: {
+          options: require('../util').getWatchOptions()
+        }
+      } : {
         watchOptions: require('../util').getWatchOptions()
       }
     }
diff --git a/packages/vue-cli-plugin-uni/lib/mp/index.js b/packages/vue-cli-plugin-uni/lib/mp/index.js
index e145332500562d894e4c783cac17dfd0496fcf93..ffcb975d0833d8deb261a42cf73b9afb86c6904e 100644
--- a/packages/vue-cli-plugin-uni/lib/mp/index.js
+++ b/packages/vue-cli-plugin-uni/lib/mp/index.js
@@ -157,7 +157,11 @@ module.exports = {
       webpackConfig.optimization = {}
     }
     // disable noEmitOnErrors
-    webpackConfig.optimization.noEmitOnErrors = false
+    if (webpack.version[0] > 4) {
+      webpackConfig.optimization.emitOnErrors = true
+    } else {
+      webpackConfig.optimization.noEmitOnErrors = false
+    }
 
     webpackConfig.optimization.runtimeChunk = {
       name: 'common/runtime'
diff --git a/packages/vue-cli-plugin-uni/lib/options.js b/packages/vue-cli-plugin-uni/lib/options.js
index 27cab09c1669bcf106567d4116024f8fca9a5a86..25ef468a8511efa098d2fb9a1798a46905ae2629 100644
--- a/packages/vue-cli-plugin-uni/lib/options.js
+++ b/packages/vue-cli-plugin-uni/lib/options.js
@@ -1,5 +1,6 @@
 const fs = require('fs')
 const path = require('path')
+const webpack = require('webpack')
 
 const isWin = /^win/.test(process.platform)
 
@@ -23,11 +24,11 @@ module.exports = function initOptions (options) {
   options.transpileDependencies.push(genTranspileDepRegex(path.resolve(process.env.UNI_INPUT_DIR, 'node_modules')))
   options.transpileDependencies.push('@dcloudio/uni-' + process.env.UNI_PLATFORM)
   options.transpileDependencies.push('@dcloudio/uni-i18n')
-  options.transpileDependencies.push('@dcloudio/uni-stat')
+  options.transpileDependencies.push('@dcloudio/uni-stat')
   options.transpileDependencies.push('@dcloudio/uni-push')
   options.transpileDependencies.push('@dcloudio/vue-cli-plugin-uni/packages/uni-app')
   options.transpileDependencies.push('@dcloudio/vue-cli-plugin-uni/packages/uni-cloud')
-  options.transpileDependencies.push('@dcloudio/vue-cli-plugin-uni/packages/uni-stat')
+  options.transpileDependencies.push('@dcloudio/vue-cli-plugin-uni/packages/uni-stat')
   options.transpileDependencies.push('@dcloudio/vue-cli-plugin-uni/packages/uni-push')
 
   if (process.env.UNI_PLATFORM !== 'mp-weixin') { // mp runtime
@@ -59,8 +60,14 @@ module.exports = function initOptions (options) {
     options.css.loaderOptions.sass = {}
   }
 
-  if (!options.css.loaderOptions.postcss.config) {
-    options.css.loaderOptions.postcss.config = {}
+  if (webpack.version[0] > 4) {
+    if (!options.css.loaderOptions.postcss.postcssOptions) {
+      options.css.loaderOptions.postcss.postcssOptions = {}
+    }
+  } else {
+    if (!options.css.loaderOptions.postcss.config) {
+      options.css.loaderOptions.postcss.config = {}
+    }
   }
 
   // sass 全局变量
@@ -85,9 +92,10 @@ module.exports = function initOptions (options) {
   }
   options.css.loaderOptions.sass.prependData = sassData
   const userPostcssConfigPath = path.resolve(process.env.UNI_INPUT_DIR, 'postcss.config.js')
-  if (fs.existsSync(userPostcssConfigPath)) {
-    options.css.loaderOptions.postcss.config.path = userPostcssConfigPath
+  const configPath = fs.existsSync(userPostcssConfigPath) ? userPostcssConfigPath : path.resolve(process.env.UNI_CLI_CONTEXT, 'postcss.config.js')
+  if (webpack.version[0] > 4) {
+    options.css.loaderOptions.postcss.postcssOptions.config = configPath
   } else {
-    options.css.loaderOptions.postcss.config.path = path.resolve(process.env.UNI_CLI_CONTEXT, 'postcss.config.js')
+    options.css.loaderOptions.postcss.config.path = configPath
   }
-}
+}