diff --git a/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/CascaderExpandStruct.java b/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/CascaderExpandStruct.java
index 784d746..cc7f0fb 100644
--- a/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/CascaderExpandStruct.java
+++ b/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/CascaderExpandStruct.java
@@ -1,5 +1,6 @@
 package com.tduck.cloud.project.entity.struct;
 
+import io.swagger.models.auth.In;
 import lombok.Data;
 
 import java.util.List;
@@ -38,6 +39,7 @@ public class CascaderExpandStruct {
 
     public static class Option {
         public Integer id;
+        public Integer pid;
         public String label;
         public String value;
         public List<Option> children;