diff --git a/packages/cli/src/core/initializer.ts b/packages/cli/src/core/initializer.ts
index e221d009..407dea44 100644
--- a/packages/cli/src/core/initializer.ts
+++ b/packages/cli/src/core/initializer.ts
@@ -36,8 +36,8 @@ export async function initializeApp(
 ): Promise<InitializationResult> {
   // Initialize i18n system
   const languageSetting =
-    settings.merged.general?.language ||
     process.env['QWEN_CODE_LANG'] ||
+    settings.merged.general?.language ||
     'auto';
   await initializeI18n(languageSetting);
 
diff --git a/packages/cli/src/i18n/locales/en.js b/packages/cli/src/i18n/locales/en.js
index a20812fd..3ab57edb 100644
--- a/packages/cli/src/i18n/locales/en.js
+++ b/packages/cli/src/i18n/locales/en.js
@@ -403,6 +403,8 @@ export default {
   'UI language changed to {{lang}}': 'UI language changed to {{lang}}',
   'LLM output language rule file generated at {{path}}':
     'LLM output language rule file generated at {{path}}',
+  'Please restart the application for the changes to take effect.':
+    'Please restart the application for the changes to take effect.',
   'Failed to generate LLM output language rule file: {{error}}':
     'Failed to generate LLM output language rule file: {{error}}',
   'Invalid command. Available subcommands:':
diff --git a/packages/cli/src/i18n/locales/zh.js b/packages/cli/src/i18n/locales/zh.js
index 329547de..474753ae 100644
--- a/packages/cli/src/i18n/locales/zh.js
+++ b/packages/cli/src/i18n/locales/zh.js
@@ -387,6 +387,8 @@ export default {
   'UI language changed to {{lang}}': 'UI 语言已更改为 {{lang}}',
   'LLM output language rule file generated at {{path}}':
     'LLM 输出语言规则文件已生成于 {{path}}',
+  'Please restart the application for the changes to take effect.':
+    '请重启应用程序以使更改生效。',
   'Failed to generate LLM output language rule file: {{error}}':
     '生成 LLM 输出语言规则文件失败：{{error}}',
   'Invalid command. Available subcommands:': '无效的命令。可用的子命令：',
diff --git a/packages/cli/src/ui/commands/languageCommand.ts b/packages/cli/src/ui/commands/languageCommand.ts
index e9e63cdf..ba04920b 100644
--- a/packages/cli/src/ui/commands/languageCommand.ts
+++ b/packages/cli/src/ui/commands/languageCommand.ts
@@ -161,9 +161,13 @@ function generateLlmOutputLanguageRuleFile(
     return Promise.resolve({
       type: 'message',
       messageType: 'info',
-      content: t('LLM output language rule file generated at {{path}}', {
-        path: filePath,
-      }),
+      content: [
+        t('LLM output language rule file generated at {{path}}', {
+          path: filePath,
+        }),
+        '',
+        t('Please restart the application for the changes to take effect.'),
+      ].join('\n'),
     });
   } catch (error) {
     return Promise.resolve({