Release 0.5.20
Release 0.5.20

HelloZhu/XYQuick,uxyheaven/XYQuick,siggb/XYQuick,HelloZhu/XYQuick,siggb/XYQuick,niuxinghua/XYQuick,niuxinghua/XYQuick,uxyheaven/XYQuickDevelop,siggb/XYQuick,HelloZhu/XYQuick,uxyheaven/XYQuickDevelop,uxyheaven/XYQuick,uxyheaven/XYQuickDevelop,niuxinghua/XYQuick