微信模板消息 数量不能为负数

cash-service/product-service/src/main/java/com/czg/service/product/util/WxAccountUtil.java

@@ -75,6 +75,9 @@ public class WxAccountUtil {
     }
 
     public void sendStockMsg(String typeName, String shopName, String productName, BigDecimal stockNum, String openId) {
+        if (stockNum.compareTo(BigDecimal.ZERO) <= 0) {
+            stockNum = BigDecimal.ZERO;
+        }
         String stockNumStr = stockNum.toPlainString();
         Map<String, Object> data = Map.of(
                 //品名