diff --git a/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeListModal.tsx b/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeListModal.tsx
index 54ec6e89..f2c2ce3c 100644
--- a/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeListModal.tsx
+++ b/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeListModal.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 16:25:49 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-04 10:39:34
+ * @Last Modified time: 2026-03-25 17:54:38
  */
 /**
  * Knowledge List Modal
@@ -140,6 +140,7 @@ const KnowledgeListModal = forwardRef<KnowledgeModalRef, KnowledgeModalProps>(({
               <SearchInput
                 placeholder={t('knowledgeBase.searchPlaceholder')}
                 className="rb:w-full!"
+                variant="outlined"
               />
             </Form.Item>
           </Form>
diff --git a/web/src/views/KnowledgeBase/[knowledgeBaseId]/Private.tsx b/web/src/views/KnowledgeBase/[knowledgeBaseId]/Private.tsx
index fbe93800..6074338b 100644
--- a/web/src/views/KnowledgeBase/[knowledgeBaseId]/Private.tsx
+++ b/web/src/views/KnowledgeBase/[knowledgeBaseId]/Private.tsx
@@ -808,7 +808,7 @@ const Private: FC = () => {
           {/* </div> */}
         </div>
         <div className='rb:flex rb:items-center rb:justify-between rb:mb-4'>
-          <SearchInput placeholder={t('knowledgeBase.search')} onSearch={handleSearch} />
+          <SearchInput placeholder={t('knowledgeBase.search')} variant="outlined" onSearch={handleSearch} />
           <div className='rb:flex-1 rb:flex rb:items-center rb:justify-end rb:gap-2.5'>
             <Radio.Group value={isGraph} onChange={(e) => setIsGraph(e.target.value)}>
               <Radio.Button value={false} >
diff --git a/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeListModal.tsx b/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeListModal.tsx
index ad4560bc..c226f62f 100644
--- a/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeListModal.tsx
+++ b/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeListModal.tsx
@@ -116,6 +116,7 @@ const KnowledgeListModal = forwardRef<KnowledgeModalRef, KnowledgeModalProps>(({
               <SearchInput
                 placeholder={t('knowledgeBase.searchPlaceholder')}
                 className="rb:w-full!"
+                variant="outlined"
               />
             </Form.Item>
           </Form>