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 036f65e..993e59a 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
@@ -28,9 +28,9 @@ public class MappingItem {
      */
     public String destName;
     /**
-     * 当来源数据中无此字段时的默认值
+     * 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
      */
-    public String defaultValue;
+    public Object defaultValue;
 
     @Override
     public String toString() {