diff --git a/openhis-server/openhis-domain/src/main/java/com/openhis/administration/domain/DeviceDefinition.java b/openhis-server/openhis-domain/src/main/java/com/openhis/administration/domain/DeviceDefinition.java
index 610637b7..ea207b6a 100644
--- a/openhis-server/openhis-domain/src/main/java/com/openhis/administration/domain/DeviceDefinition.java
+++ b/openhis-server/openhis-domain/src/main/java/com/openhis/administration/domain/DeviceDefinition.java
@@ -42,7 +42,7 @@ public class DeviceDefinition extends HisBaseEntity {
     private String wbStr;
 
     /** 器材分类 */
-    private DeviceCategory categoryEnum;
+    private String categoryCode;
 
     /** 器材种类 */
     private String typeCode;