fix:获取优惠券优惠

mec-client-api/src/main/java/com/ym/mec/web/fallback/WebFeignServiceFallback.java

@@ -92,4 +92,9 @@ public class WebFeignServiceFallback implements WebFeignService {
 	public HttpResponseResult<BaseResult<Map<String, Object>>> refund(RefundModel refundModel) {
 		return null;
 	}
+
+	@Override
+	public HttpResponseResult<Map> couponAmount(MallCreateOrderModel model) {
+		return null;
+	}
 }