diff --git a/packages/uni-mp-alipay/lib/uni.config.js b/packages/uni-mp-alipay/lib/uni.config.js
index b1b78060fac74c7b6e6cd095afb91adabd588dce..3d03fb09dbd66b8cab35e36697a3e962e5b5528c 100644
--- a/packages/uni-mp-alipay/lib/uni.config.js
+++ b/packages/uni-mp-alipay/lib/uni.config.js
@@ -25,14 +25,12 @@ module.exports = {
       copyOptions.push('uni_modules/' + module + '/mycomponents')
     })
 
-    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
-      .concat(process.env.UNI_MP_PLUGIN ? 'plugin.json' : undefined)
-      .forEach(fileName => {
-        fileName && copyOptions.push({
-          from: path.resolve(process.env.UNI_INPUT_DIR, fileName),
-          transform: content => fileName === 'plugin.json' ? JSON.stringify(parseJson(content.toString(), true)) : content
-        })
+    if (process.env.UNI_MP_PLUGIN) {
+      copyOptions.push({
+        from: path.resolve(process.env.UNI_INPUT_DIR, 'plugin.json'),
+        transform: content => JSON.stringify(parseJson(content.toString(), true))
       })
+    }
 
     return copyOptions
   }
diff --git a/packages/uni-mp-weixin/lib/uni.config.js b/packages/uni-mp-weixin/lib/uni.config.js
index c6ef0d0a82b887dfc5f2be5628b9092f2cefba55..8ffbc50ce51e49841bc8297fa13f32717585d387 100644
--- a/packages/uni-mp-weixin/lib/uni.config.js
+++ b/packages/uni-mp-weixin/lib/uni.config.js
@@ -32,14 +32,12 @@ module.exports = {
       'functional-pages'
     ]
 
-    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
-      .concat(process.env.UNI_MP_PLUGIN ? 'plugin.json' : undefined)
-      .forEach(fileName => {
-        fileName && copyOptions.push({
-          from: path.resolve(process.env.UNI_INPUT_DIR, fileName),
-          transform: content => fileName === 'plugin.json' ? JSON.stringify(parseJson(content.toString(), true)) : content
-        })
+    if (process.env.UNI_MP_PLUGIN) {
+      copyOptions.push({
+        from: path.resolve(process.env.UNI_INPUT_DIR, 'plugin.json'),
+        transform: content => JSON.stringify(parseJson(content.toString(), true))
       })
+    }
 
     const workers = platformOptions.workers
     workers && copyOptions.push(workers)
diff --git a/packages/vue-cli-plugin-uni/lib/mp/index.js b/packages/vue-cli-plugin-uni/lib/mp/index.js
index 61d16df988fdc5f87981ef761c19f045479c5893..48c1842c0501a066966690aad8cc5e083f6b12dd 100644
--- a/packages/vue-cli-plugin-uni/lib/mp/index.js
+++ b/packages/vue-cli-plugin-uni/lib/mp/index.js
@@ -177,19 +177,11 @@ module.exports = {
 
     {
       const globalEnv = process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'
-      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
-        addToUniEntry(process.env.UNI_MP_PLUGIN_MAIN)
-
-        beforeCode += `${globalEnv}.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g, '_')}__ = __webpack_require__;`
-      } else {
-        beforeCode += `${globalEnv}.__webpack_require_UNI_MP_PLUGIN__ = __webpack_require__;`
-      }
+      ;[].concat(process.env.UNI_MP_PLUGIN ? process.env.UNI_MP_PLUGIN_MAIN : JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT))
+        .forEach(fileName => addToUniEntry(fileName))
+      beforeCode += `${globalEnv}.__webpack_require_${(process.env.UNI_MP_PLUGIN || 'UNI_MP_PLUGIN').replace(/-/g, '_')}__ = __webpack_require__;`
     }
 
-    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT).forEach(fileName => addToUniEntry(fileName))
-
     const alias = { // 仅 mp-weixin
       'mpvue-page-factory': require.resolve(
         '@dcloudio/vue-cli-plugin-uni/packages/mpvue-page-factory')
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 231e201f20423e4641d3055d3bf7a02d4c838df6..9aa2ef5d57f87c119c763383caddf5b99cdd9327 100644
--- a/packages/webpack-uni-mp-loader/lib/plugin/index-new.js
+++ b/packages/webpack-uni-mp-loader/lib/plugin/index-new.js
@@ -71,7 +71,8 @@ function addMPPluginRequire (compilation) {
   const UNI_MP_PLUGIN_MAIN = process.env.UNI_MP_PLUGIN_MAIN
   const UNI_MP_PLUGIN_EXPORT = JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
   assetsKeys.forEach(name => {
-    if ((name === UNI_MP_PLUGIN_MAIN && process.env.UNI_MP_PLUGIN) || UNI_MP_PLUGIN_EXPORT.includes(name)) {
+    const needProcess = process.env.UNI_MP_PLUGIN ? name === UNI_MP_PLUGIN_MAIN : UNI_MP_PLUGIN_EXPORT.includes(name)
+    if (needProcess) {
       const modules = compilation.modules
 
       const filePath = normalizePath(path.resolve(process.env.UNI_INPUT_DIR, name))