考虑到经常打电话查询话费使用情况，觉得甚是麻烦，于是就想开发个小程序来简化这个过程，因此就有了下面这个小程序，之所以称之为小程序，是因为它的功能很单一，就是查询话费使用情况和话费余额，但这也是日常生活中最经常使用的功能，希望能够给你带来便利。-Considering the frequent use of phone calls inquiries, feel and even troublesome, so wanted to develop a small program to simplify the process, so there was this little program is called a small program, because its function is single, is the use of inquiry calls and prepaid balance, but also in daily life the most frequently used, hoping to bring you convenience.