This book is about to be put on the shelves, here, I would like to write a testimonial, thank you for your continuous support, I just want to say that your support is my biggest motivation. To be honest, I'm embarrassed, the level of this book is not high, and the popularity is not very good, everyone is really laughing, but now it's okay, there are book friends who are willing to cheer, thank you. Admittedly, I don't write well, I believe this is the main reason, but I just want to write something different, maybe it's the lack of writing, I haven't been able to write wonderful, many places may not be thorough enough, but Xie Lu Xie everyone can accept it, I can only say that I will continue to work hard, as for what this book will be written in the future, hehe, who knows this kind of thing! Well, that's all I have to say, mainly to express my gratitude to those book friends who have never given up, this book is about to hit the shelves, thank you for your continued support, I hope you can continue to support, thank you again!