新增：全量优化

common/constants/app.js

@@ -0,0 +1,30 @@
+/**
+ * 应用相关常量
+ */
+
+// 应用信息
+export const APP_NAME = '小程序模板'
+export const APP_VERSION = '1.0.0'
+
+// 页面路径常量
+export const PAGE_PATHS = {
+  INDEX: '/pages/index/index',
+  WELCOME: '/subPages/welcome/index',
+  LOGIN: '/pages/login/login', // 示例路径
+  REGISTER: '/pages/register/register' // 示例路径
+}
+
+// 存储键名常量
+export const STORAGE_KEYS = {
+  TOKEN: 'token',
+  USER_INFO: 'userInfo',
+  THEME: 'theme',
+  LANG: 'language'
+}
+
+// 事件常量
+export const EVENTS = {
+  USER_LOGIN: 'userLogin',
+  USER_LOGOUT: 'userLogout',
+  THEME_CHANGE: 'themeChange'
+}