diff --git a/.env b/.env
index 2154df18a..9521446bb 100644
--- a/.env
+++ b/.env
@@ -13,3 +13,4 @@ APP_IMAGE_CDN=
 APP_DIANWU_URL=
 APP_MERCHANT_URL=
 APP_ADAPAY=
+APP_I18N_ORIGIN_LANG=
diff --git a/config/dev.js b/config/dev.js
index 73155f779..703c6d37c 100644
--- a/config/dev.js
+++ b/config/dev.js
@@ -1,130 +1,8 @@
-// 处理 ECONNRESET 错误，避免进程崩溃
-// 这个错误通常发生在 webpack watch 模式下连接被重置时
-if (!process.listenerCount('uncaughtException')) {
-  process.on('uncaughtException', (err) => {
-    if (err.code === 'ECONNRESET' || err.message?.includes('ECONNRESET')) {
-      console.warn('⚠️  连接重置错误已忽略:', err.message)
-      return
-    }
-    throw err
-  })
-}
-
-if (!process.listenerCount('unhandledRejection')) {
-  process.on('unhandledRejection', (reason, promise) => {
-    if (reason && typeof reason === 'object' && 'code' in reason && reason.code === 'ECONNRESET') {
-      console.warn('⚠️  连接重置错误已忽略:', reason.message || reason)
-      return
-    }
-    console.error('未处理的 Promise 拒绝:', reason)
-  })
-}
-
 module.exports = {
   env: {
     NODE_ENV: '"development"'
   },
   defineConstants: {},
   weapp: {},
-  h5: {
-    devServer: {
-      // 处理连接重置错误，避免进程崩溃
-      client: {
-        overlay: {
-          errors: true,
-          warnings: false
-        }
-      }
-    },
-    webpackChain: (chain, webpack) => {
-      // 添加错误处理插件
-      chain.plugin('handle-errors').use(
-        class {
-          apply(compiler) {
-            compiler.hooks.afterPlugins.tap('HandleErrors', () => {
-              // 在插件初始化后设置错误处理
-              if (!process.listenerCount('uncaughtException')) {
-                process.on('uncaughtException', (err) => {
-                  if (err.code === 'ECONNRESET' || err.message?.includes('ECONNRESET')) {
-                    console.warn('⚠️  连接重置错误已忽略:', err.message)
-                    return
-                  }
-                  throw err
-                })
-              }
-              if (!process.listenerCount('unhandledRejection')) {
-                process.on('unhandledRejection', (reason, promise) => {
-                  if (
-                    reason &&
-                    typeof reason === 'object' &&
-                    'code' in reason &&
-                    reason.code === 'ECONNRESET'
-                  ) {
-                    console.warn('⚠️  连接重置错误已忽略:', reason.message || reason)
-                    return
-                  }
-                  console.error('未处理的 Promise 拒绝:', reason)
-                })
-              }
-            })
-          }
-        }
-      )
-    }
-  },
-  mini: {
-    webpackChain: (chain, webpack) => {
-      chain.merge({
-        plugin: {
-          install: {
-            plugin: require('terser-webpack-plugin'),
-            args: [
-              {
-                terserOptions: {
-                  compress: true, // 默认使用terser压缩
-                  // mangle: false,
-                  keep_classnames: true, // 不改变class名称
-                  keep_fnames: true // 不改变函数名称
-                }
-              }
-            ]
-          }
-        }
-      })
-
-      // 添加错误处理插件
-      chain.plugin('handle-errors').use(
-        class {
-          apply(compiler) {
-            compiler.hooks.done.tap('HandleErrors', () => {
-              // 在编译完成后设置错误处理
-              if (!process.listenerCount('uncaughtException')) {
-                process.on('uncaughtException', (err) => {
-                  if (err.code === 'ECONNRESET' || err.message?.includes('ECONNRESET')) {
-                    console.warn('⚠️  连接重置错误已忽略:', err.message)
-                    return
-                  }
-                  throw err
-                })
-              }
-              if (!process.listenerCount('unhandledRejection')) {
-                process.on('unhandledRejection', (reason, promise) => {
-                  if (
-                    reason &&
-                    typeof reason === 'object' &&
-                    'code' in reason &&
-                    reason.code === 'ECONNRESET'
-                  ) {
-                    console.warn('⚠️  连接重置错误已忽略:', reason.message || reason)
-                    return
-                  }
-                  console.error('未处理的 Promise 拒绝:', reason)
-                })
-              }
-            })
-          }
-        }
-      )
-    }
-  }
+  h5: {}
 }
diff --git a/src/app.js b/src/app.js
index 22ba5e5e1..1886d5deb 100644
--- a/src/app.js
+++ b/src/app.js
@@ -127,6 +127,7 @@ function App({ children }) {
       }
       getSystemConfig()
     })
+
     //分包异步加载语言包
     if (process.env.TARO_ENV === 'weapp') {
       __non_webpack_require__ &&
diff --git a/src/lang/index.js b/src/lang/index.js
index 98917c43a..3aa96ec0b 100644
--- a/src/lang/index.js
+++ b/src/lang/index.js
@@ -122,7 +122,9 @@ class Lang {
     // 从本地存储中获取通用语言，如果不存在则使用空字符串
     const commonLang = withStorageCommonLang ? globalThis._localStorage.getItem('') : ''
     // 从本地存储中获取当前语言，如果不存在则使用源语言
-    const baseLang = withStorageLang ? globalThis._localStorage.getItem('lang') : 'en'
+    const baseLang = withStorageLang
+      ? globalThis._localStorage.getItem('lang')
+      : process.env.APP_I18N_ORIGIN_LANG
     const lang = commonLang ? commonLang : baseLang
     // 如果本地存储中没有语言设置，则使用环境变量中的默认语言
     if (!globalThis._localStorage.getItem('lang')) {
diff --git a/src/subpages/i18n/lang/index.js b/src/subpages/i18n/lang/index.js
index bd7926c67..bb151e619 100644
--- a/src/subpages/i18n/lang/index.js
+++ b/src/subpages/i18n/lang/index.js
@@ -103,7 +103,11 @@ const withStorageCommonLang =
 // 从本地存储中获取通用语言，如果不存在则使用空字符串
 const commonLang = withStorageCommonLang ? globalThis.localStorage.getItem('') : ''
 // 从本地存储中获取当前语言，如果不存在则使用源语言
-const baseLang = withStorageLang ? globalThis.localStorage.getItem('lang') : 'en'
+const baseLang = withStorageLang
+  ? globalThis.localStorage.getItem('lang')
+  : process.env.APP_I18N_ORIGIN_LANG
+
+debugger
 const lang = commonLang ? commonLang : baseLang
 // 根据当前语言设置翻译函数的语言包
 globalThis.$t.locale(globalThis.langMap[lang], 'lang')