diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/cailiaoshebei/service/impl/BusPurchaseDocServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/cailiaoshebei/service/impl/BusPurchaseDocServiceImpl.java
index a47ea32c..5fbc187c 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/cailiaoshebei/service/impl/BusPurchaseDocServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/cailiaoshebei/service/impl/BusPurchaseDocServiceImpl.java
@@ -18,6 +18,7 @@ import org.docx4j.openpackaging.exceptions.Docx4JException;
 import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
 import org.dromara.cailiaoshebei.controller.constant;
 import org.dromara.cailiaoshebei.domain.BusMaterialbatchdemandplan;
+import org.dromara.cailiaoshebei.domain.BusMrpBase;
 import org.dromara.cailiaoshebei.domain.BusPlanDocAssociation;
 import org.dromara.cailiaoshebei.domain.BusPurchaseDoc;
 import org.dromara.cailiaoshebei.domain.bo.BusPlanDocAssociationBo;
@@ -120,7 +121,10 @@ public class BusPurchaseDocServiceImpl extends ServiceImpl<BusPurchaseDocMapper,
         LambdaQueryWrapper<BusPurchaseDoc> lqw = buildQueryWrapper(bo);
         Page<BusPurchaseDocVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
         result.getRecords().forEach(v -> {
-            v.setPlanCode(mrpBaseService.getById(v.getMrpBaseId()).getPlanCode());
+            BusMrpBase byId = mrpBaseService.getById(v.getMrpBaseId());
+            if (byId != null){
+                v.setPlanCode(byId.getPlanCode());
+            }
         });
         return TableDataInfo.build(result);
     }