diff --git a/packages/vue-cli-plugin-uni/lib/mp/index.js b/packages/vue-cli-plugin-uni/lib/mp/index.js
index 4f2c6614f87d9752eeb53f65eea96f571c76fefd..f830d77cc7c0e8c12d3a80e6d39790ca85a5d636 100644
--- a/packages/vue-cli-plugin-uni/lib/mp/index.js
+++ b/packages/vue-cli-plugin-uni/lib/mp/index.js
@@ -172,7 +172,7 @@ module.exports = {
     if (process.env.UNI_MP_PLUGIN) {
       // 小程序插件入口使用
       // packages\webpack-uni-mp-loader\lib\plugin\index-new.js -> addMPPluginRequire
-      beforeCode += `wx.__webpack_require_${process.env.UNI_MP_PLUGIN.replace('-', '_')}__ = __webpack_require__;`
+      beforeCode += `wx.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g,'_')}__ = __webpack_require__;`
 
       const UNI_MP_PLUGIN_MAIN = process.env.UNI_MP_PLUGIN_MAIN
       if (UNI_MP_PLUGIN_MAIN) {
@@ -304,4 +304,4 @@ module.exports = {
     webpackConfig.plugins.delete('preload')
     webpackConfig.plugins.delete('prefetch')
   }
-}
+}
diff --git a/packages/webpack-uni-mp-loader/lib/plugin/index-new.js b/packages/webpack-uni-mp-loader/lib/plugin/index-new.js
index 6e1e66c838aaf7ee7efa71a972ece74081479b1f..e2b376b84e4793bf67335972427950d92493e4ab 100644
--- a/packages/webpack-uni-mp-loader/lib/plugin/index-new.js
+++ b/packages/webpack-uni-mp-loader/lib/plugin/index-new.js
@@ -73,14 +73,14 @@ function addMPPluginRequire (compilation) {
       if (name === process.env.UNI_MP_PLUGIN_MAIN) {
         const modules = compilation.modules
 
-        const mainFilePath = path.resolve(process.env.UNI_INPUT_DIR, process.env.UNI_MP_PLUGIN_MAIN).replace(/\\/g, '/')
+        const mainFilePath = normalizePath(path.resolve(process.env.UNI_INPUT_DIR, process.env.UNI_MP_PLUGIN_MAIN))
 
         const uniModuleId = modules.find(module => module.resource && normalizePath(module.resource) === mainFilePath).id
 
         const newlineIndex = compilation.assets[name].source().lastIndexOf('\n')
 
         const source = compilation.assets[name].source().substring(0, newlineIndex) +
-        `\nmodule.exports = wx.__webpack_require_${process.env.UNI_MP_PLUGIN.replace('-', '_')}__(${uniModuleId});\n` +
+        `\nmodule.exports = wx.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g,'_')}__('${uniModuleId}');\n` +
         compilation.assets[name].source().substring(newlineIndex + 1)
 
         compilation.assets[name] = {