{     "stock_name": "123123",     "belong_merchant": "1508794341",     "goods_name": "123",     "stock_type": "EXCHANGE",     "coupon_use_rule": {         "coupon_available_time": {             "available_begin_time": "2020-05-08T00:00:01.000+08:00",             "available_end_time": "2020-05-09T23:59:59.000+08:00",             "available_week": {                 "week_day": [                     0                 ],                 "available_day_time": [                                      ]             },             "irregulary_avaliable_time": [                              ]         },         "discount_coupon": {                      },         "exchange_coupon": {             "exchange_price": 1200,             "transaction_minimum": 12200         },         "use_method": "OFF_LINE"     },     "stock_send_rule": {         "max_amount": 100000,         "max_coupons": 10,         "max_coupons_per_user": 1,         "max_coupons_by_day": 1,         "natural_person_limit": false,         "prevent_api_abuse": false     },     "out_request_no": "150879434120200508psn33jv807qhoaiiuc70d4rsbf169nhc",     "custom_entrance": {         "mini_programs_info": {             "mini_programs_appid": "123123123",             "mini_programs_path": "1231231",             "entrance_words": "12312",             "guiding_words": "123123"         }     },     "display_pattern_info": {         "description": "23",         "background_color": "#2c9f67"     },     "coupon_code_mode": "WECHATPAY_MODE",     "notify_config": {              } } 之前还会返回验证规则问题例如：{"code":"PARAM_ERROR","detail":{"location":"body","value":0},"message":"输入源“/body/coupon_use_rule/fixed_normal_coupon/discount_amount”映射到数值字段“优惠金额”规则校验失败，值低于最小值 1"} 现在，提交后提示“请求参数错误”。 {"code":"PARAM_ERROR","message":"请求参数错误"}'