diff --git a/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanProperty.java b/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanProperty.java
index 742b98b..7c19a9d 100644
--- a/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanProperty.java
+++ b/flyfish-web/src/main/java/com/flyfish/framework/beans/meta/BeanProperty.java
@@ -142,7 +142,11 @@ public class BeanProperty {
                 // 当存在db-ref时，解析为动态数据源
                 Optional<String> optional = processDbRef(clazz);
                 if (optional.isPresent()) {
-                    property.prop("uri", optional.get());
+                    if ("Attachment".equals(descriptor.getPropertyType().getSimpleName())) {
+                        property.prop("attachment", true);
+                    } else {
+                        property.prop("uri", optional.get());
+                    }
                 } else {
                     property.setType(BeanPropertyType.STRING);
                 }