diff --git a/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustmentIdentificationMaterialServiceImpl.java b/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustmentIdentificationMaterialServiceImpl.java
index 84378e2..9c494d0 100644
--- a/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustmentIdentificationMaterialServiceImpl.java
+++ b/src/main/java/digital/laboratory/platform/entrustment/service/impl/EntrustmentIdentificationMaterialServiceImpl.java
@@ -1095,10 +1095,17 @@ public class EntrustmentIdentificationMaterialServiceImpl extends ServiceImpl<En
         if (this.removeById(id)) {
             String entrustId = entrustmentIdentificationMaterial.getEntrustmentId();
             Entrustment entrustment = entrustmentService.getById(entrustId);
-            List<EntrustmentIdentificationMaterial> materialList = this.list(Wrappers.<EntrustmentIdentificationMaterial>lambdaQuery().eq(EntrustmentIdentificationMaterial::getEntrustmentId, entrustId));
+            List<EntrustmentIdentificationMaterial> materialList = this.list(Wrappers.<EntrustmentIdentificationMaterial>lambdaQuery()
+                    .eq(EntrustmentIdentificationMaterial::getEntrustmentId, entrustId)
+                    .orderByAsc(EntrustmentIdentificationMaterial::getOrderNo));
+
             if (materialList != null && materialList.size() > 0) {
                 entrustment.setEntrustRequirement(entrustmentService.buildEntrustReq(materialList));
                 entrustmentService.updateById(entrustment);
+                for (int i = 0; i < materialList.size(); i++) {
+                    materialList.get(i).setOrderNo(i + 1);
+                }
+                this.updateBatchById(materialList);
             }
             return entrustmentIdentificationMaterial;
         } else {