fix:bug

models/user.go

@@ -74,7 +74,7 @@ func GetUserByOpenId(openId string) (item *User, err error) {
 
 // 根据unionid获取用户关系
 func GetUserByUnionId(unionId string) (item *User, err error) {
-	sql := `SELECT * FROM user WHERE open_id=? `
+	sql := `SELECT * FROM user WHERE union_id=? `
 	o := orm.NewOrm()
 	err = o.Raw(sql, unionId).QueryRow(&item)
 	return