feat: add deploy script

src/contexts/LanguageContext.tsx

@@ -1,5 +1,6 @@
 import React, { createContext, useContext, useState, useEffect } from 'react';
 import { translations, Language, TranslationKey } from '../lib/translations';
+import { detectLanguageByIP } from '../lib/ipLocation';
 
 interface LanguageContextType {
   language: Language;
@@ -10,12 +11,36 @@ interface LanguageContextType {
 const LanguageContext = createContext<LanguageContextType | undefined>(undefined);
 
 export const LanguageProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  // 初始化语言：优先使用 localStorage，否则使用浏览器语言作为临时值
   const [language, setLanguageState] = useState<Language>(() => {
     const saved = localStorage.getItem('language');
     if (saved === 'en' || saved === 'zh') return saved;
+    // 临时使用浏览器语言，后续会被IP检测覆盖（如果没有保存的语言）
     return navigator.language.startsWith('zh') ? 'zh' : 'en';
   });
 
+  // 检测IP地理位置并设置语言（仅在首次加载且没有保存的语言时）
+  useEffect(() => {
+    const saved = localStorage.getItem('language');
+    
+    // 如果用户已经手动选择过语言，则不进行IP检测
+    if (saved === 'en' || saved === 'zh') {
+      return;
+    }
+
+    // 异步检测IP并设置语言
+    detectLanguageByIP()
+      .then((detectedLang) => {
+        setLanguageState(detectedLang);
+        // 注意：这里不保存到 localStorage，让用户首次访问时使用IP检测的结果
+        // 如果用户手动切换语言，才会保存到 localStorage
+      })
+      .catch((error) => {
+        // IP检测失败时，保持使用浏览器语言检测的结果
+        console.warn('Failed to detect language by IP:', error);
+      });
+  }, []); // 仅在组件挂载时执行一次
+
   const setLanguage = (lang: Language) => {
     setLanguageState(lang);
     localStorage.setItem('language', lang);