完善了检查昵称是否重复接口的返回

src/loginserver/models/user.go

@@ -69,9 +69,10 @@ func CheckUserNameRepeat(userName string) (result interface{}, err error) {
 		return "104001", err
 		return "104001", err
 	}
 	}
 	if len(r) == 0 {
 	if len(r) == 0 {
-		return false, nil
+		return nil, nil
 	}
 	}
-	return true, nil
+	err = errors.New("该名称已被使用")
+	return "105001", err
 
 
 }
 }