add

lib/utils/constants.dart

@@ -3,6 +3,7 @@ part of utils;
 // 服务器地址
 // const String kServerUrl = 'http://192.168.11.88:81';
 const String kServerUrl = 'http://8.141.148.247:7421';
+// const String kServerUrl = 'https://ebook-app.ezijing.com';
 // const String kServerUrl = 'http://1507.superge.cn:81';
 const String kLocalToken = 'local_token';
 const String kLocalAccessToken = 'local_access_token';