本文由国家自然科学基金项目31360507,31560586,31060277,31210103906和云南省自然科学基础研究计划项目2015FA022资助;This work was supported by the National Natural Science Foundation of China 31360507,31560586,31060277,31210103906 and the Basic Science Research Foundation of Yunnan Province,China 2015FA022.