diff --git a/modules/i3plus-pojo-wms/src/main/java/cn/estsh/i3plus/pojo/wms/dbinterface/MappingItem.java b/modules/i3plus-pojo-wms/src/main/java/cn/estsh/i3plus/pojo/wms/dbinterface/MappingItem.java
index f79829d..c945e71 100644
--- a/modules/i3plus-pojo-wms/src/main/java/cn/estsh/i3plus/pojo/wms/dbinterface/MappingItem.java
+++ b/modules/i3plus-pojo-wms/src/main/java/cn/estsh/i3plus/pojo/wms/dbinterface/MappingItem.java
@@ -28,6 +28,11 @@ public class MappingItem {
      */
     public String destName;
     /**
+     * 该字段在目标表是不是主键
+     * 1=主键
+     */
+    public Integer destPk;
+    /**
      * 目标字段的默认值，通过此默认值识别字段类型，一定要配置正确
      * 可以使用的表达式： #date, #time, #guid, #Q.warehouse(#zone)
      */
@@ -39,6 +44,7 @@ public class MappingItem {
                 + this.srcName + ", destBeanName:"
                 + this.destBeanName + ", destName"
                 + this.destName + ", defaultValue:"
-                + this.defaultValue;
+                + this.defaultValue + ", destPk:"
+                + this.destPk;
     }
 }