Merge branch 'featrue/wandian'

upstream/wangdiantong/wdt_refund.go

@@ -296,8 +296,9 @@ type StockinRefundPushRes struct {
 */
 func (s *WangDianTong) StockinRefundPush(ctx context.Context, req *StockinRefundPushReq) (res *StockinRefundPushRes, err error) {
 
+	jsonStr := gjson.New(g.Slice{req})
 	paramas := g.Map{
-		"stockin_refund_info": g.Slice{req},
+		"stockin_refund_info": jsonStr.MustToJsonString(),
 	}
 	result, err := s.post(ctx, "/openapi2/stockin_refund_push.php", paramas)
 	if nil != err {