新疆维吾尔自治区高校科研计划科学研究重点项目XJEDU2014I037;喀什大学高层次人才科研启动经费项目GCC16ZK-002.This work was supported by grants from the Scientific Research Program of the Higher Education Institution of Xin JiangGrant XJEDU2014I037;the Starting Fund for High-Scientific Study of Genius of Kashgar UniversityGCC16ZK-002