diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index 8a4f7a07..43dea1c5 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -454,6 +454,7 @@ export const en = {
       prevStep: 'Previous Step',
       exportSuccess: 'Export successful',
       recommend: 'Recommend',
+      default: 'Default',
       logoTip: `Supported image formats: JPG, PNG \n Suggested size: square ratio \n Maximum size: ≤ 2MB`,
       imageSquareRequired: 'Please upload a square image',
       nameInvalid: 'Name cannot start or end with a space',
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index 5182b4c4..62ce77e3 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -1034,6 +1034,7 @@ export const zh = {
       prevStep: '上一步',
       exportSuccess: '导出成功',
       recommend: '推荐',
+      default: '默认',
       logoTip: `支持图片格式（JPG、PNG）\n 尺寸：正方形比例 \n 文件大小限制：≤ 2MB`,
       imageSquareRequired: '请上传正方形比例图片',
       nameInvalid: '不能是空格开头或结尾',
diff --git a/web/src/views/MemoryManagement/index.tsx b/web/src/views/MemoryManagement/index.tsx
index ac2b4fa5..6ebb49c7 100644
--- a/web/src/views/MemoryManagement/index.tsx
+++ b/web/src/views/MemoryManagement/index.tsx
@@ -1,8 +1,8 @@
 /*
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 17:33:15 
- * @Last Modified by:   ZhaoYing 
- * @Last Modified time: 2026-02-03 17:33:15 
+ * @Last Modified by: ZhaoYing
+ * @Last Modified time: 2026-03-05 16:28:58
  */
 /**
  * Memory Management Page
@@ -110,9 +110,15 @@ const MemoryManagement: React.FC = () => {
             <List.Item key={item.config_id}>
               <RbCard 
                 title={item.config_name}
+                className="rb:relative"
               >
+                {item.is_system_default &&
+                  <div className="rb:absolute rb:-right-px rb:-top-px rb:bg-[#FF5D34] rb:rounded-[0px_7px_0px_8px] rb:text-[12px] rb:text-white rb:font-regular rb:leading-4 rb:py-0.5 rb:px-1">
+                    {t('common.default')}
+                  </div>
+                }
                 <Tooltip title={item.config_desc}>
-                  <div className="rb:text-[#5B6167] rb:text-[12px] rb:leading-4.25 rb:font-regular rb:-mt-1 rb:wrap-break-word rb:line-clamp-1 rb:h-[17px]">{item.config_desc}</div>
+                  <div className="rb:text-[#5B6167] rb:text-[12px] rb:leading-4.25 rb:font-regular rb:-mt-1 rb:wrap-break-word rb:line-clamp-1 rb:h-4.25">{item.config_desc}</div>
                 </Tooltip>
                 <RbAlert className="rb:mt-3 ">
                   <div className={clsx("rb:flex rb:gap-5 rb:font-regular rb:text-[14px]")}>
diff --git a/web/src/views/MemoryManagement/types.ts b/web/src/views/MemoryManagement/types.ts
index 48bdbb77..dc3ae091 100644
--- a/web/src/views/MemoryManagement/types.ts
+++ b/web/src/views/MemoryManagement/types.ts
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 17:33:01 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-02-03 17:33:24
+ * @Last Modified time: 2026-03-05 16:33:53
  */
 /**
  * Memory management form data type
@@ -42,6 +42,7 @@ export interface Memory {
   workspace_id: string;
   scene_id: string;
   scene_name: string;
+  is_system_default: boolean;
   [key: string]: string | number | boolean;
 }
 /**
diff --git a/web/src/views/Ontology/index.tsx b/web/src/views/Ontology/index.tsx
index 37f9118d..eaf1188b 100644
--- a/web/src/views/Ontology/index.tsx
+++ b/web/src/views/Ontology/index.tsx
@@ -1,8 +1,8 @@
 /*
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 14:10:15 
- * @Last Modified by:   ZhaoYing 
- * @Last Modified time: 2026-03-05 10:57:53 
+ * @Last Modified by: ZhaoYing
+ * @Last Modified time: 2026-03-05 16:28:53
  */
 import { type FC, useState, useRef, type MouseEvent } from 'react';
 import { useNavigate } from 'react-router-dom';
@@ -144,8 +144,13 @@ const Ontology: FC = () => {
             title={item.scene_name}
             extra={<Tag>{item.type_num} {t('ontology.typeCount')}</Tag>}
             onClick={() => handleJump(item)}
-            className="rb:cursor-pointer"
+            className="rb:cursor-pointer rb:relative"
           >
+            {item.is_system_default &&
+              <div className="rb:absolute rb:-right-px rb:-top-px rb:bg-[#FF5D34] rb:rounded-[0px_7px_0px_8px] rb:text-[12px] rb:text-white rb:font-regular rb:leading-4 rb:py-0.5 rb:px-1">
+                {t('common.default')}
+              </div>
+            }
             <div
               className="rb:flex rb:gap-2 rb:justify-between rb:text-[#5B6167] rb:text-[14px] rb:leading-5 rb:mb-3"
             >
diff --git a/web/src/views/Ontology/types.ts b/web/src/views/Ontology/types.ts
index d78d8464..aad94ee0 100644
--- a/web/src/views/Ontology/types.ts
+++ b/web/src/views/Ontology/types.ts
@@ -1,8 +1,8 @@
 /*
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 14:10:10 
- * @Last Modified by:   ZhaoYing 
- * @Last Modified time: 2026-02-03 14:10:10 
+ * @Last Modified by: ZhaoYing
+ * @Last Modified time: 2026-03-05 16:18:56
  */
 /**
  * Query parameters for ontology list pagination and filtering
@@ -38,6 +38,8 @@ export interface OntologyItem {
   updated_at: number;
   /** Total count of classes in the scene */
   classes_count: number;
+  /** Whether this is the system default configuration */
+  is_system_default: boolean;
 }
 
 /**