{"code":0,"msg":"ok","data":{"name":"智学锁屏 后端服务","api_version":"1.0.0","php_version":"8.2.9","db":"MySQL 8.0.12","db_ok":true,"server_time":"2026-10-21 04:52:48","school_year":"2026-2027","current_term":"上册","endpoints":{"health":"GET  /api/health.php","register":"POST /api/register.php        家长注册/首次绑定设备","login":"POST /api/login.php           家长登录（换手机/重装后用）","setting_save":"POST /api/setting_save.php    保存家长设置（需 X-Device-Token）","setting_get":"POST /api/setting_get.php     读取家长设置（需 X-Device-Token）","password_change":"POST /api/password_change.php 修改管理密码（需 X-Device-Token）"}}}