fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/base/service/impl/CertificateTpServiceImpl.java

@@ -610,7 +610,11 @@ public class CertificateTpServiceImpl extends ServiceImpl<CertificateTpMapper, C
         addBo.setTrainStartTime(vo.getTrainStartTime());
         addBo.setTrainEndTime(vo.getTrainEndTime());
         addBo.setChapterStr(ArrayUtils.toString(vo.getChapterList(), ","));
-        addBo.setPublicClassHours(goodsVo.getPublicClassHours().setScale( 0, BigDecimal.ROUND_HALF_UP ));
+        if(Validator.isEmpty(goodsVo.getPublicClassHours())){
+            addBo.setPublicClassHours(BigDecimal.ZERO);
+        }else{
+            addBo.setPublicClassHours(goodsVo.getPublicClassHours().setScale( 0, BigDecimal.ROUND_HALF_UP ));
+        }
         return addBo;
     }
     private String getCertificateCode(){