diff --git a/src/main/java/com/spring/modules/part/entity/PartInformationEntity.java b/src/main/java/com/spring/modules/part/entity/PartInformationEntity.java
index 9bc3bbc4..c679b814 100644
--- a/src/main/java/com/spring/modules/part/entity/PartInformationEntity.java
+++ b/src/main/java/com/spring/modules/part/entity/PartInformationEntity.java
@@ -412,5 +412,6 @@ public class PartInformationEntity extends QueryPage implements Serializable {
     /**
      * 图纸编码
      **/
+    @TableField(updateStrategy = FieldStrategy.NOT_EMPTY)
     private String drawingNo;
 }