123

ruoyi-cai/src/main/java/com/ruoyi/cai/util/NumCaUtil.java

@@ -14,6 +14,9 @@ public class NumCaUtil {
      * @return
      */
     public static Long coin(Long value, BigDecimal rate){
+        if(value == null || rate == null){
+            return 0L;
+        }
         BigDecimal decimal = NumberUtil.mul(value, rate);
         return decimal.setScale(0, RoundingMode.DOWN).longValue();
     }