(After more than a year, the misty rain cloud begging system attacked again. The bottom layer of this update has been completely reconstructed, and the procrastination is finally over!Highlights of this issue:1. Automatically guide the installation. The probability of failure to install is very small. Xiaobai can install it easily2. Overall architecture performance improvement3. Full Ajax operation, more humanized4. Forced use of php7 for better performance5. No more beepsChange log:2020/3/201. Repairing background music cannot be closed2. Fix installation errors2020/3/191. Repair and get QQ nickname2. Repair and acquire cities3. Add home music switch4. Add test function system identification code5. Repair advertisement acquisition6. Repair detection update7. Installation page adjustment8. Database structure adjustment9. Blog download link update10. Adjust the payment configuration to manually connect to easy payment, and now it is no longer mandatory to connect to swallow cloud payment (because I no longer operate payment)2019/10/181. Fix the problem of using garbled code in some environments (PDO forgets to set the code when fetching data)2. Fix the pagination problem of background order list2019/10/141. After user feedback, the foreground IP code is processed2. Fix some details2019/10/13V2. 0 publish)