diff --git a/src-tauri/src/server/attachment.rs b/src-tauri/src/server/attachment.rs
index 553cd390..9eabb57e 100644
--- a/src-tauri/src/server/attachment.rs
+++ b/src-tauri/src/server/attachment.rs
@@ -24,7 +24,6 @@ pub struct DeleteAttachmentResponse {
 #[command]
 pub async fn upload_attachment(
     server_id: String,
-    session_id: String,
     file_paths: Vec<PathBuf>,
 ) -> Result<UploadAttachmentResponse, String> {
     let mut form = Form::new();
@@ -47,7 +46,7 @@ pub async fn upload_attachment(
     }
 
     let server = get_server_by_id(&server_id).ok_or("Server not found")?;
-    let url = HttpClient::join_url(&server.endpoint, &format!("chat/{}/_upload", session_id));
+    let url = HttpClient::join_url(&server.endpoint, &format!("attachment/_upload"));
 
     let token = get_server_token(&server_id).await?;
     let mut headers = HashMap::new();
diff --git a/src/components/Assistant/ChatContent.tsx b/src/components/Assistant/ChatContent.tsx
index c72e44eb..615f5e0b 100644
--- a/src/components/Assistant/ChatContent.tsx
+++ b/src/components/Assistant/ChatContent.tsx
@@ -42,7 +42,6 @@ export const ChatContent = ({
   timedoutShow,
   Question,
   handleSendMessage,
-  getFileUrl,
 }: ChatContentProps) => {
   const sessionId = useConnectStore((state) => state.currentSessionId);
   const setCurrentSessionId = useConnectStore((state) => {
@@ -165,9 +164,9 @@ export const ChatContent = ({
         <div ref={messagesEndRef} />
       </div>
 
-      {sessionId && uploadFiles.length > 0 && (
+      {uploadFiles.length > 0 && (
         <div key={sessionId} className="max-h-[120px] overflow-auto p-2">
-          <FileList sessionId={sessionId} getFileUrl={getFileUrl} />
+          <FileList />
         </div>
       )}
 
diff --git a/src/components/Assistant/FileList.tsx b/src/components/Assistant/FileList.tsx
index 4be3c741..416c178a 100644
--- a/src/components/Assistant/FileList.tsx
+++ b/src/components/Assistant/FileList.tsx
@@ -10,13 +10,7 @@ import platformAdapter from "@/utils/platformAdapter";
 import Tooltip2 from "../Common/Tooltip2";
 import FileIcon from "../Common/Icons/FileIcon";
 
-interface FileListProps {
-  sessionId: string;
-  getFileUrl: (path: string) => string;
-}
-
-const FileList = (props: FileListProps) => {
-  const { sessionId } = props;
+const FileList = () => {
   const { t } = useTranslation();
   const { uploadFiles, setUploadFiles } = useChatStore();
   const { currentService } = useConnectStore();
@@ -44,7 +38,6 @@ const FileList = (props: FileListProps) => {
           "upload_attachment",
           {
             serverId,
-            sessionId,
             filePaths: [path],
           }
         );
diff --git a/src/components/Search/InputBox.tsx b/src/components/Search/InputBox.tsx
index b2a54b2a..f0e694be 100644
--- a/src/components/Search/InputBox.tsx
+++ b/src/components/Search/InputBox.tsx
@@ -84,7 +84,6 @@ export default function ChatInput({
   const { t } = useTranslation();
 
   const currentAssistant = useConnectStore((state) => state.currentAssistant);
-  // const sessionId = useConnectStore((state) => state.currentSessionId);
 
   const setBlurred = useAppStore((state) => state.setBlurred);
   const isTauri = useAppStore((state) => state.isTauri);
diff --git a/src/components/Search/InputControls.tsx b/src/components/Search/InputControls.tsx
index 110df76c..8023f765 100644
--- a/src/components/Search/InputControls.tsx
+++ b/src/components/Search/InputControls.tsx
@@ -70,7 +70,7 @@ const InputControls = ({
 
   const isTauri = useAppStore((state) => state.isTauri);
 
-  const { currentAssistant, currentSessionId } = useConnectStore();
+  const { currentAssistant } = useConnectStore();
   const { modeSwitch, deepThinking } = useShortcutsStore();
 
   const source = currentAssistant?._source;
@@ -171,19 +171,17 @@ const InputControls = ({
     >
       {isChatMode ? (
         <div className="flex gap-2 text-[12px] leading-3 text-[#333] dark:text-[#d8d8d8]">
-          {currentSessionId && (
-            <InputUpload
-              checkScreenPermission={checkScreenPermission}
-              requestScreenPermission={requestScreenPermission}
-              getScreenMonitors={getScreenMonitors}
-              getScreenWindows={getScreenWindows}
-              captureMonitorScreenshot={captureMonitorScreenshot}
-              captureWindowScreenshot={captureWindowScreenshot}
-              openFileDialog={openFileDialog}
-              getFileMetadata={getFileMetadata}
-              getFileIcon={getFileIcon}
-            />
-          )}
+          <InputUpload
+            checkScreenPermission={checkScreenPermission}
+            requestScreenPermission={requestScreenPermission}
+            getScreenMonitors={getScreenMonitors}
+            getScreenWindows={getScreenWindows}
+            captureMonitorScreenshot={captureMonitorScreenshot}
+            captureWindowScreenshot={captureWindowScreenshot}
+            openFileDialog={openFileDialog}
+            getFileMetadata={getFileMetadata}
+            getFileIcon={getFileIcon}
+          />
 
           {source?.type === "deep_think" && source?.config?.visible && (
             <button
@@ -233,8 +231,7 @@ const InputControls = ({
             getMCPByServer={getMCPByServer}
           />
 
-          {!currentSessionId &&
-            !(source?.datasource?.enabled && source?.datasource?.visible) &&
+          {!(source?.datasource?.enabled && source?.datasource?.visible) &&
             (source?.type !== "deep_think" || !source?.config?.visible) &&
             !(source?.mcp_servers?.enabled && source?.mcp_servers?.visible) && (
               <div className="px-[9px]">