diff --git a/controllers/auth2.go b/controllers/auth2.go
index 92baf9da0..0c3714851 100644
--- a/controllers/auth2.go
+++ b/controllers/auth2.go
@@ -207,7 +207,7 @@ func (c *Auth2Controller) WeixinMPOAuth2() {
 			}
 		}
 		if params.Block != "" {
-			if moblie := params.Block[strings.LastIndex("?", params.Block)+1:]; moblie != "" {
+			if moblie := params.Block[strings.LastIndex(params.Block,"=")+1:]; moblie != "" {
 				fmt.Println("moblie", moblie)
 				if user, err := dao.GetUserByID(dao.GetDB(), "mobile", moblie); err == nil {
 					if user != nil {