diff --git a/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustAlterApplyServiceImpl.java b/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustAlterApplyServiceImpl.java
index eef746f..40649e0 100644
--- a/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustAlterApplyServiceImpl.java
+++ b/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustAlterApplyServiceImpl.java
@@ -312,6 +312,8 @@ public class EntrustAlterApplyServiceImpl extends ServiceImpl<EntrustAlterApplyM
             entrustmentIdentificationMaterial.setName(name);
             entrustmentIdentificationMaterial.setCandidateDrugs(candidateDrugs);
             entrustmentIdentificationMaterial.setAnalysisOption(analysisOption);
+            // 因为检材的受理编号字段设置了null值也会更新，导致修改会把acceptNo更新为空, 为了防止这个情况，取出acceptNo在设置进去
+            entrustmentIdentificationMaterial.setAcceptNo(oldMaterial.getAcceptNo());
             entrustmentIdentificationMaterialList.add(entrustmentIdentificationMaterial);
         }
         return entrustmentIdentificationMaterialList;