加入重量计算，解决BUG

jjt-biz/src/main/java/com/jjt/calc/domain/TwinCalcDayYhj.java

@@ -103,9 +103,9 @@ public class TwinCalcDayYhj extends BaseEntity {
 
     public void setLength(Integer lengthA, Integer lengthB) {
         this.lengthA = lengthA == null ? 0 : lengthA;
-        this.weightA = BigDecimal.valueOf(lengthA).divide(BigDecimal.valueOf(1000), 2, RoundingMode.HALF_UP);
+        this.weightA = BigDecimal.valueOf(this.lengthA).divide(BigDecimal.valueOf(1000), 2, RoundingMode.HALF_UP);
         this.lengthB = lengthB == null ? 0 : lengthB;
-        this.weightB = BigDecimal.valueOf(lengthB).divide(BigDecimal.valueOf(1000), 2, RoundingMode.HALF_UP);
+        this.weightB = BigDecimal.valueOf(this.lengthB).divide(BigDecimal.valueOf(1000), 2, RoundingMode.HALF_UP);
         this.length = this.lengthA + this.lengthB;
         this.weight = this.weightA.add(this.weightB);
     }