diff --git a/backend-golang/file.go b/backend-golang/file.go
index 1b441f0..e4264e8 100644
--- a/backend-golang/file.go
+++ b/backend-golang/file.go
@@ -53,12 +53,12 @@ type FileInfo struct {
 	ModTime string `json:"modTime"`
 }
 
-func (a *App) ReadFileInfo(fileName string) (FileInfo, error) {
+func (a *App) ReadFileInfo(fileName string) (*FileInfo, error) {
 	info, err := os.Stat(a.exDir + fileName)
 	if err != nil {
-		return FileInfo{}, err
+		return nil, err
 	}
-	return FileInfo{
+	return &FileInfo{
 		Name:    info.Name(),
 		Size:    info.Size(),
 		IsDir:   info.IsDir(),
@@ -145,6 +145,20 @@ func (a *App) OpenSaveFileDialogBytes(filterPattern string, defaultFileName stri
 	return path, nil
 }
 
+// Only return the path of the selected file, because communication between frontend and backend is slow. Use AssetServer Handler to read the file.
+func (a *App) OpenOpenFileDialog(filterPattern string) (string, error) {
+	path, err := wruntime.OpenFileDialog(a.ctx, wruntime.OpenDialogOptions{
+		Filters: []wruntime.FileFilter{{Pattern: filterPattern}},
+	})
+	if err != nil {
+		return "", err
+	}
+	if path == "" {
+		return "", nil
+	}
+	return path, nil
+}
+
 func (a *App) OpenFileFolder(path string, relative bool) error {
 	var absPath string
 	var err error
diff --git a/backend-python/routes/file_process.py b/backend-python/routes/file_process.py
index 1195c8b..9746bcf 100644
--- a/backend-python/routes/file_process.py
+++ b/backend-python/routes/file_process.py
@@ -58,17 +58,22 @@ async def file_to_text(
 
     file_parsers = {".txt": parse_text, ".pdf": parse_pdf}
 
-    file_ext = os.path.splitext(params.file_name)[-1]
+    file_name = file_data.filename or params.file_name
+    file_ext = os.path.splitext(file_name)[-1]
 
     if file_ext not in file_parsers:
         raise HTTPException(status.HTTP_400_BAD_REQUEST, "file type not supported")
 
-    pages: Iterator[Document] = file_parsers[file_ext](
-        Blob.from_data(
-            await file_data.read(),
-            encoding=params.file_encoding,
-            path=params.file_name,
+    try:
+        pages: Iterator[Document] = file_parsers[file_ext](
+            Blob.from_data(
+                await file_data.read(),
+                encoding=params.file_encoding,
+                path=file_name,
+            )
         )
-    )
+        pages = list(pages)
+    except Exception as e:
+        raise HTTPException(status.HTTP_400_BAD_REQUEST, f"{e}")
 
     return {"pages": pages}
diff --git a/frontend/src/_locales/ja/main.json b/frontend/src/_locales/ja/main.json
index c5872e6..3fcd2b1 100644
--- a/frontend/src/_locales/ja/main.json
+++ b/frontend/src/_locales/ja/main.json
@@ -254,5 +254,12 @@
   "User Name": "ユーザー名",
   "Assistant Name": "アシスタント名",
   "Insert default system prompt at the beginning": "最初にデフォルトのシステムプロンプトを挿入",
-  "Format Content": "内容フォーマットの規格化"
+  "Format Content": "内容フォーマットの規格化",
+  "Add An Attachment (Accepts pdf, txt)": "添付ファイルを追加 (pdf, txtを受け付けます)",
+  "Uploading Attachment": "添付ファイルアップロード中",
+  "Remove Attachment": "添付ファイルを削除",
+  "The content of file": "ファイル",
+  "is as follows. When replying to me, consider the file content and respond accordingly:": "の内容は以下の通りです。私に返信する際は、ファイルの内容を考慮して適切に返信してください:",
+  "What's the file name": "ファイル名は何ですか",
+  "The file name is: ": "ファイル名は次のとおりです: "
 }
\ No newline at end of file
diff --git a/frontend/src/_locales/zh-hans/main.json b/frontend/src/_locales/zh-hans/main.json
index 173c9bd..4cac8a9 100644
--- a/frontend/src/_locales/zh-hans/main.json
+++ b/frontend/src/_locales/zh-hans/main.json
@@ -254,5 +254,12 @@
   "User Name": "用户名称",
   "Assistant Name": "AI名称",
   "Insert default system prompt at the beginning": "在开头自动插入默认系统提示",
-  "Format Content": "规范格式"
+  "Format Content": "规范格式",
+  "Add An Attachment (Accepts pdf, txt)": "添加一个附件 (支持pdf, txt)",
+  "Uploading Attachment": "正在上传附件",
+  "Remove Attachment": "移除附件",
+  "The content of file": "文件",
+  "is as follows. When replying to me, consider the file content and respond accordingly:": "内容如下。回复时考虑文件内容并做出相应回复:",
+  "What's the file name": "文件名是什么",
+  "The file name is: ": "文件名是："
 }
\ No newline at end of file
diff --git a/frontend/src/pages/Chat.tsx b/frontend/src/pages/Chat.tsx
index 1da9ca8..90569fd 100644
--- a/frontend/src/pages/Chat.tsx
+++ b/frontend/src/pages/Chat.tsx
@@ -10,14 +10,22 @@ import { KebabHorizontalIcon, PencilIcon, SyncIcon, TrashIcon } from '@primer/oc
 import logo from '../assets/images/logo.png';
 import MarkdownRender from '../components/MarkdownRender';
 import { ToolTipButton } from '../components/ToolTipButton';
-import { ArrowCircleUp28Regular, Delete28Regular, RecordStop28Regular, Save28Regular } from '@fluentui/react-icons';
+import {
+  ArrowCircleUp28Regular,
+  ArrowClockwise16Regular,
+  Attach16Regular,
+  Delete28Regular,
+  Dismiss16Regular,
+  RecordStop28Regular,
+  Save28Regular
+} from '@fluentui/react-icons';
 import { CopyButton } from '../components/CopyButton';
 import { ReadButton } from '../components/ReadButton';
 import { toast } from 'react-toastify';
 import { WorkHeader } from '../components/WorkHeader';
 import { DialogButton } from '../components/DialogButton';
-import { OpenFileFolder, OpenSaveFileDialog } from '../../wailsjs/go/backend_golang/App';
-import { toastWithButton } from '../utils';
+import { OpenFileFolder, OpenOpenFileDialog, OpenSaveFileDialog } from '../../wailsjs/go/backend_golang/App';
+import { bytesToReadable, toastWithButton } from '../utils';
 import { PresetsButton } from './PresetsManager/PresetsButton';
 import { useMediaQuery } from 'usehooks-ts';
 
@@ -267,6 +275,16 @@ const ChatPanel: FC = observer(() => {
     let targetRange = commonStore.conversationOrder.slice(startIndex, endIndex);
 
     const messages: ConversationMessage[] = [];
+    if (commonStore.attachmentContent) {
+      messages.push({
+        role: 'user',
+        content: t('The content of file') + ` "${commonStore.attachmentName}" `
+          + t('is as follows. When replying to me, consider the file content and respond accordingly:')
+          + '\n\n' + commonStore.attachmentContent
+      });
+      messages.push({ role: 'user', content: t('What\'s the file name') });
+      messages.push({ role: 'assistant', content: t('The file name is: ') + commonStore.attachmentName });
+    }
     targetRange.forEach((uuid, index) => {
       if (uuid === welcomeUuid)
         return;
@@ -385,16 +403,101 @@ const ChatPanel: FC = observer(() => {
             commonStore.setConversation({});
             commonStore.setConversationOrder([]);
           }} />
-        <Textarea
-          ref={inputRef}
-          style={{ minWidth: 0 }}
-          className="grow"
-          resize="vertical"
-          placeholder={t('Type your message here')!}
-          value={commonStore.currentInput}
-          onChange={(e) => commonStore.setCurrentInput(e.target.value)}
-          onKeyDown={handleKeyDownOrClick}
-        />
+        <div className="relative flex grow">
+          <Textarea
+            ref={inputRef}
+            style={{ minWidth: 0 }}
+            className="grow"
+            resize="vertical"
+            placeholder={t('Type your message here')!}
+            value={commonStore.currentInput}
+            onChange={(e) => commonStore.setCurrentInput(e.target.value)}
+            onKeyDown={handleKeyDownOrClick}
+          />
+          <div className="absolute right-2 bottom-2">
+            {!commonStore.attachmentContent ?
+              <ToolTipButton
+                desc={commonStore.attachmentUploading ?
+                  t('Uploading Attachment') :
+                  t('Add An Attachment (Accepts pdf, txt)')}
+                icon={commonStore.attachmentUploading ?
+                  <ArrowClockwise16Regular className="animate-spin" />
+                  : <Attach16Regular />}
+                size="small" shape="circular" appearance="secondary"
+                onClick={() => {
+                  if (commonStore.status.status === ModelStatus.Offline && !commonStore.settings.apiUrl) {
+                    toast(t('Please click the button in the top right corner to start the model'), { type: 'warning' });
+                    return;
+                  }
+
+                  if (commonStore.attachmentUploading)
+                    return;
+
+                  OpenOpenFileDialog('*.txt;*.pdf').then(async filePath => {
+                    if (!filePath)
+                      return;
+
+                    commonStore.setAttachmentUploading(true);
+
+                    // Both are slow. Communication between frontend and backend is slow. Use AssetServer Handler to read the file.
+                    // const blob = new Blob([atob(info.content as unknown as string)]); // await fetch(`data:application/octet-stream;base64,${info.content}`).then(r => r.blob());
+                    const blob = await fetch(`=>${filePath}`).then(r => r.blob());
+                    const attachmentName = filePath.split(/[\\/]/).pop();
+                    const urlPath = `/file-to-text?file_name=${attachmentName}`;
+                    const bodyForm = new FormData();
+                    bodyForm.append('file_data', blob, attachmentName);
+                    fetch(commonStore.settings.apiUrl ?
+                      commonStore.settings.apiUrl + urlPath :
+                      `http://127.0.0.1:${port}${urlPath}`, {
+                      method: 'POST',
+                      body: bodyForm
+                    }).then(async r => {
+                        if (r.status === 200) {
+                          const pages = (await r.json()).pages as any[];
+                          let attachmentContent: string;
+                          if (pages.length === 1)
+                            attachmentContent = pages[0].page_content;
+                          else
+                            attachmentContent = pages.map((p, i) => `Page ${i + 1}:\n${p.page_content}`).join('\n\n');
+                          commonStore.setAttachmentName(attachmentName!);
+                          commonStore.setAttachmentSize(blob.size);
+                          commonStore.setAttachmentContent(attachmentContent);
+                        } else {
+                          toast(r.statusText + '\n' + (await r.text()), {
+                            type: 'error'
+                          });
+                        }
+                        commonStore.setAttachmentUploading(false);
+                      }
+                    ).catch(e => {
+                      commonStore.setAttachmentUploading(false);
+                      toast(t('Error') + ' - ' + (e.message || e), { type: 'error', autoClose: 2500 });
+                    });
+                  }).catch(e => {
+                    toast(t('Error') + ' - ' + (e.message || e), { type: 'error', autoClose: 2500 });
+                  });
+                }}
+              /> :
+              <div>
+                <ToolTipButton
+                  text={
+                    commonStore.attachmentName.replace(
+                      new RegExp('(^[^\\.]{5})[^\\.]+'), '$1...')
+                  }
+                  desc={`${commonStore.attachmentName} (${bytesToReadable(commonStore.attachmentSize)})`}
+                  size="small" shape="circular" appearance="secondary" />
+                <ToolTipButton desc={t('Remove Attachment')}
+                  icon={<Dismiss16Regular />}
+                  size="small" shape="circular" appearance="subtle"
+                  onClick={() => {
+                    commonStore.setAttachmentName('');
+                    commonStore.setAttachmentSize(0);
+                    commonStore.setAttachmentContent('');
+                  }} />
+              </div>
+            }
+          </div>
+        </div>
         <ToolTipButton desc={generating ? t('Stop') : t('Send')}
           icon={generating ? <RecordStop28Regular /> : <ArrowCircleUp28Regular />}
           size={mq ? 'large' : 'small'} shape="circular" appearance="subtle"
diff --git a/frontend/src/stores/commonStore.ts b/frontend/src/stores/commonStore.ts
index 5ce3867..2f1c6b0 100644
--- a/frontend/src/stores/commonStore.ts
+++ b/frontend/src/stores/commonStore.ts
@@ -54,6 +54,10 @@ class CommonStore {
   conversation: Conversation = {};
   conversationOrder: string[] = [];
   activePreset: Preset | null = null;
+  attachmentUploading: boolean = false;
+  attachmentName: string = '';
+  attachmentSize: number = 0;
+  attachmentContent: string = '';
   // completion
   completionPreset: CompletionPreset | null = null;
   completionGenerating: boolean = false;
@@ -325,6 +329,22 @@ class CommonStore {
   setLoraModels(value: string[]) {
     this.loraModels = value;
   }
+
+  setAttachmentUploading(value: boolean) {
+    this.attachmentUploading = value;
+  }
+
+  setAttachmentName(value: string) {
+    this.attachmentName = value;
+  }
+
+  setAttachmentSize(value: number) {
+    this.attachmentSize = value;
+  }
+
+  setAttachmentContent(value: string) {
+    this.attachmentContent = value;
+  }
 }
 
 export default new CommonStore();
\ No newline at end of file
diff --git a/frontend/src/utils/index.tsx b/frontend/src/utils/index.tsx
index 6bf2b3d..fd1908d 100644
--- a/frontend/src/utils/index.tsx
+++ b/frontend/src/utils/index.tsx
@@ -282,6 +282,13 @@ export function bytesToKb(size: number) {
   return (size / 1024).toFixed(2);
 }
 
+export function bytesToReadable(size: number) {
+  if (size < 1024) return size + ' B';
+  else if (size < 1024 * 1024) return bytesToKb(size) + ' KB';
+  else if (size < 1024 * 1024 * 1024) return bytesToMb(size) + ' MB';
+  else return bytesToGb(size) + ' GB';
+}
+
 export async function checkUpdate(notifyEvenLatest: boolean = false) {
   fetch(!commonStore.settings.giteeUpdatesSource ?
     'https://api.github.com/repos/josstorer/RWKV-Runner/releases/latest' :
diff --git a/frontend/wailsjs/go/backend_golang/App.d.ts b/frontend/wailsjs/go/backend_golang/App.d.ts
index 03f65a7..1cd7217 100755
--- a/frontend/wailsjs/go/backend_golang/App.d.ts
+++ b/frontend/wailsjs/go/backend_golang/App.d.ts
@@ -34,6 +34,8 @@ export function MergeLora(arg1:string,arg2:boolean,arg3:number,arg4:string,arg5:
 
 export function OpenFileFolder(arg1:string,arg2:boolean):Promise<void>;
 
+export function OpenOpenFileDialog(arg1:string):Promise<string>;
+
 export function OpenSaveFileDialog(arg1:string,arg2:string,arg3:string):Promise<string>;
 
 export function OpenSaveFileDialogBytes(arg1:string,arg2:string,arg3:Array<number>):Promise<string>;
diff --git a/frontend/wailsjs/go/backend_golang/App.js b/frontend/wailsjs/go/backend_golang/App.js
index 7e6a8a1..fcddc93 100755
--- a/frontend/wailsjs/go/backend_golang/App.js
+++ b/frontend/wailsjs/go/backend_golang/App.js
@@ -66,6 +66,10 @@ export function OpenFileFolder(arg1, arg2) {
   return window['go']['backend_golang']['App']['OpenFileFolder'](arg1, arg2);
 }
 
+export function OpenOpenFileDialog(arg1) {
+  return window['go']['backend_golang']['App']['OpenOpenFileDialog'](arg1);
+}
+
 export function OpenSaveFileDialog(arg1, arg2, arg3) {
   return window['go']['backend_golang']['App']['OpenSaveFileDialog'](arg1, arg2, arg3);
 }
diff --git a/main.go b/main.go
index 1c5d29b..fe85a4b 100644
--- a/main.go
+++ b/main.go
@@ -27,6 +27,7 @@ func NewFileLoader() *FileLoader {
 func (h *FileLoader) ServeHTTP(res http.ResponseWriter, req *http.Request) {
 	var err error
 	requestedFilename := strings.TrimPrefix(req.URL.Path, "/")
+	requestedFilename = strings.TrimPrefix(requestedFilename, "=>") // absolute path
 	println("Requesting file:", requestedFilename)
 	fileData, err := os.ReadFile(requestedFilename)
 	if err != nil {