修复详情bug

src/main/java/com/fdkankan/sale/service/impl/RepairRegisterServiceImpl.java

@@ -95,6 +95,9 @@ public class RepairRegisterServiceImpl extends ServiceImpl<IRepairRegisterMapper
     @Override
     public RepairRegisterVo getVoByRegisterId(Integer registerId) {
         RepairRegisterVo vo = this.getBaseMapper().getVoByRegisterId(registerId);
+        if(vo == null){
+            return null;
+        }
         List<RepairRegisterPart> partList = repairRegisterPartService.getByRegisterId(vo.getRepairRegisterId());
         StringBuilder partNamesList = new StringBuilder();
         for (RepairRegisterPart repairRegisterPart : partList) {