diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ae6045c4..07d651d4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1656,8 +1656,8 @@ importers:
         specifier: workspace:^
         version: link:../packages/sdk
       tushan:
-        specifier: ^0.3.9
-        version: 0.3.9(prop-types@15.8.1)(ts-node@10.9.1)
+        specifier: ^0.3.11
+        version: 0.3.11(prop-types@15.8.1)(ts-node@10.9.1)
       vite-express:
         specifier: 0.8.0
         version: 0.8.0(patch_hash=u6touqej4dt3zxnslnszarl7vq)(express@4.18.2)(vite@4.2.0)
@@ -33391,8 +33391,8 @@ packages:
       domino: 2.1.6
     dev: false
 
-  /tushan@0.3.9(prop-types@15.8.1)(ts-node@10.9.1):
-    resolution: {integrity: sha512-qKA6NdWkstPKYE0BaxLZFiPnWXCjpiO5voZxzqln2y0FRp1hG7Zb+gChBQWyrZulAmAVjBiABjOBajpuyu7bqw==}
+  /tushan@0.3.11(prop-types@15.8.1)(ts-node@10.9.1):
+    resolution: {integrity: sha512-4nTzGcgmoXt99uxSIFN05dm9APtDipCFkwMj2wcMrWABJqI72g4yt+3irUJ8BGCbD4jJA0skM8IfUS9Lx42fTg==}
     dependencies:
       '@arco-design/web-react': 2.51.0(@types/react@18.0.20)(react-dom@18.2.0)(react@18.2.0)
       '@tanstack/react-query': 4.33.0(react-dom@18.2.0)(react@18.2.0)
diff --git a/server/admin/package.json b/server/admin/package.json
index 35829b41..4267f067 100644
--- a/server/admin/package.json
+++ b/server/admin/package.json
@@ -29,7 +29,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "tailchat-server-sdk": "workspace:^",
-    "tushan": "^0.3.9",
+    "tushan": "^0.3.11",
     "vite-express": "0.8.0"
   },
   "devDependencies": {
diff --git a/server/admin/src/client/resources/file.tsx b/server/admin/src/client/resources/file.tsx
index afe7604e..86fc3b5a 100644
--- a/server/admin/src/client/resources/file.tsx
+++ b/server/admin/src/client/resources/file.tsx
@@ -51,6 +51,7 @@ export const FileList: React.FC = React.memo(() => {
           }),
           createSelectField('usage', {
             label: 'Usage',
+            allowClear: true,
             items: [
               {
                 value: 'chat',
@@ -78,7 +79,7 @@ export const FileList: React.FC = React.memo(() => {
         fields={fileFields}
         action={{ detail: true, delete: true }}
         batchAction={{ delete: true }}
-        showSizeChanger={true}
+        showSizeChanger={[20, 50, 100, 500, 2000]}
         meta={isOnlyChatFiles ? 'onlyChat' : undefined}
       />
     </>