工具类的小 bug

flink-ad-monitoring/src/main/java/flink/zanxiangnet/ad/monitoring/util/NumberUtil.java

@@ -52,6 +52,6 @@ public class NumberUtil {
         if (val2 == 0 || val1 == 0) {
             return BigDecimal.ZERO;
         }
-        return new BigDecimal(val1).divide(new BigDecimal(val2), 18, RoundingMode.HALF_UP);
+        return new BigDecimal(val1).divide(new BigDecimal(val2), scale, RoundingMode.HALF_UP);
     }
 }