1 改进捕获部分，改为录像。修改了以前只能录一次的bug，可以以日期和时间命名，想录多少次录多少次。 2 将定帧部分，改为暂停。 3 显示时间。-1 to improve the capture of the video changed. Revised the previously recorded only one bug, the date and time can be named, like the number of times recorded in the number