diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4fd6443f1df8a1c4c58d6e0b5dad6e7fd229945..37a46d54455a4c318380c0e5d59e81b739e278a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@
 - 表格新增tab切换换行能力
 - 新增表格列附件查看
 
+### Fixed
+
+- 修复级联选择编辑器子级数据查询异常
+
 ## [0.7.40-alpha.19] - 2025-05-20
 
 ### Added
diff --git a/src/editor/cascader/ibiz-cascader/ibiz-cascader.tsx b/src/editor/cascader/ibiz-cascader/ibiz-cascader.tsx
index 4e53b354630ef0c5fda6d004dc90934059fd8883..48ff3ed020e251592c19275b4f2f7a3d96c428d8 100644
--- a/src/editor/cascader/ibiz-cascader/ibiz-cascader.tsx
+++ b/src/editor/cascader/ibiz-cascader/ibiz-cascader.tsx
@@ -5,7 +5,6 @@ import {
   getCascaderProps,
 } from '@ibiz-template/vue3-util';
 import { clone } from 'ramda';
-import { calcDeCodeNameById } from '@ibiz-template/runtime';
 import { CascaderEditorController } from '../cascader-editor.controller';
 import './ibiz-cascader.scss';
 
@@ -230,18 +229,26 @@ export const IBizCascader = defineComponent({
     const handleQueryParams = async (index: number, value: string) => {
       const context = clone(c.context);
       const params = clone(c.params);
+      // 如果上级和下级具有父子关系，则根据关系字段添加查询参数
       if (index > 0) {
-        const valueItem = valueItems.value[index - 1];
-        Object.assign(context, {
-          [calcDeCodeNameById(valueItem.appDataEntityId)]: value,
-        });
+        const { appDataEntityId: parentAppDataEntityId } =
+          valueItems.value[index - 1];
+        const { appId, appDataEntityId: childAppDataEntityId } =
+          valueItems.value[index];
         const appDataEntity = await ibiz.hub.getAppDataEntity(
-          valueItem.appDataEntityId,
-          valueItem.appId,
+          childAppDataEntityId,
+          appId,
         )!;
-        Object.assign(params, {
-          [`n_${appDataEntity.keyAppDEFieldId!.toLowerCase()}_eq`]: value,
-        });
+        const { minorAppDERSs } = appDataEntity;
+        if (minorAppDERSs) {
+          const appDeRSs = minorAppDERSs.find(
+            DERSs => DERSs.majorAppDataEntityId === parentAppDataEntityId,
+          );
+          if (appDeRSs && appDeRSs.parentAppDEFieldId)
+            Object.assign(params, {
+              [`n_${appDeRSs.parentAppDEFieldId!.toLowerCase()}_eq`]: value,
+            });
+        }
       }
       return { context, params };
     };