This work was supported by the the National Natural Science Foundation of China (Nos. 61402122, 61672183, and 61272252), Science and Technology Planning Project of Guanddong Province (Grant No. 2016B090918047), Natural Science Foundation of Guangdong Province (Grant No. 2015A030313544), Shenzhen Research Council (Grant Nos. JCYJ20160406161948211, JCYJ20160226201453085, and JSGG20150331152017052), and the 2014 PhD Recruitment ProgramofGuizhou Normal University, the Outstanding Innovation Talents of Science and Technology Award Scheme of Education Department in Guizhou Province (Qian jiao KY word[2015]487), Natural Science Foundation of Guizhou (LH[2015]7784), the China Scholarship Council (No. 201508525007), and Fund of Guizhou Educational Department (KY[2016]027). No conflicts.