Suggestion for get X visa in China

Hello I may can ask question about x2/x1 type...now I'm holding M type (bussines). I'm study in here PRC but when I apply to get X type center in pudong reject my application and my M type limit they give more 1 month temporary stay in PRC after I'm must leaving from PRC, any suggestion how can get X type please now my passport still in China visa center. Thanks