修复bug：已关联用户的微信：还款或代还

src/main/java/cn/quantgroup/xyqb/controller/external/user/WeChatController.java

@@ -257,7 +257,7 @@ public class WeChatController implements IBaseController {
     }
     // 已经关联了用户
     // create session, 登进去，该怎么玩怎么玩。
-    String redirectUrl = createUserSession(user, merchant, redirect, schema, registerFrom);
+    String redirectUrl = createUserSession(user, merchant, redirect, domain, registerFrom);
     response.setHeader("Location", redirectUrl);
     response.setStatus(301);
   }