diff --git a/ktg-mes/src/main/java/com/ktg/mes/wm/domain/UcmCtBase.java b/ktg-mes/src/main/java/com/ktg/mes/wm/domain/UcmCtBase.java
index 3fe0279..74f2b9d 100644
--- a/ktg-mes/src/main/java/com/ktg/mes/wm/domain/UcmCtBase.java
+++ b/ktg-mes/src/main/java/com/ktg/mes/wm/domain/UcmCtBase.java
@@ -36,7 +36,7 @@ public class UcmCtBase extends BaseEntity
     /** 预留字段2 */
     private String attr2;
 
-    /** 预留字段3 */
+    /** 预留字段3，为空或者0表示普通料箱，为1表示大号料箱 */
     private String attr3;
 
     /** 预留字段4 */