Acknowledgments: This work was supported by National Social Science Foundation of China (13BSH061), Humanities and Social Sciences Foundation of Ministry of education of China (12YJC 190009), Shandong Provincial Natural Science Foundation, China (ZR2015CQ010), Science and Technology Development Project of Shandong Province, China (2013GSFl1802), Key Laboratory of Adolescent Cyberpsychology and Behavior (Central China Normal University ) (Open subject NO.2012C13) and The Key Discipline Construction Program of 12th Five-Year Plan of Shandong Province (Developmental and Educational Psychology).