diff --git a/src/controllers/FileController.ts b/src/controllers/FileController.ts
new file mode 100644
index 0000000..278a549
--- /dev/null
+++ b/src/controllers/FileController.ts
@@ -0,0 +1,40 @@
+import Telegram from '../client/Telegram';
+import OicqClient from '../client/OicqClient';
+import { Api } from 'telegram';
+import db from '../providers/db';
+import { Button } from 'telegram/tl/custom/button';
+import { getLogger } from 'log4js';
+
+const GET_FILE_REGEX = /^\/start file-(\d+)$/;
+
+export default class FileController {
+  private readonly log = getLogger('FileController');
+
+  constructor(private readonly tgBot: Telegram,
+              private readonly oicq: OicqClient) {
+    tgBot.addNewMessageEventHandler(this.onTelegramMessage);
+  }
+
+  private onTelegramMessage = async (message: Api.Message) => {
+    if (!message.isPrivate || !message.message) return false;
+    if (!GET_FILE_REGEX.test(message.message)) return false;
+    const id = Number(GET_FILE_REGEX.exec(message.message)[1]);
+    try {
+      const fileInfo = await db.file.findFirst({
+        where: { id },
+      });
+      const downloadUrl = await this.oicq.getChat(Number(fileInfo.roomId)).getFileUrl(fileInfo.fileId);
+      await message.reply({
+        message: fileInfo.info,
+        buttons: Button.url('⏬下载', downloadUrl),
+      });
+    }
+    catch (e) {
+      this.log.error('获取文件下载地址失败', e);
+      await message.reply({
+        message: `获取文件下载地址失败：${e.message}\n${e}`,
+      });
+    }
+    return true;
+  };
+}
diff --git a/src/controllers/ForwardController.ts b/src/controllers/ForwardController.ts
index c990d57..be28c82 100644
--- a/src/controllers/ForwardController.ts
+++ b/src/controllers/ForwardController.ts
@@ -34,7 +34,7 @@ export default class ForwardController {
       await db.message.create({
         data: {
           qqRoomId: pair.qqRoomId,
-          qqSenderId: event.sender.user_id,
+          qqSenderId: event.user_id,
           time: event.time,
           brief: event.raw_message,
           seq: event.seq,
diff --git a/src/index.ts b/src/index.ts
index 9050de7..05a524a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,6 +5,7 @@ import SetupController from './controllers/SetupController';
 import OicqClient from './client/OicqClient';
 import ConfigController from './controllers/ConfigController';
 import ForwardController from './controllers/ForwardController';
+import FileController from './controllers/FileController';
 
 (async () => {
   configure({
@@ -49,4 +50,5 @@ import ForwardController from './controllers/ForwardController';
   }
   new ConfigController(tgBot, tgUser, oicq);
   new ForwardController(tgBot, tgUser, oicq);
+  new FileController(tgBot, oicq);
 })();
diff --git a/src/services/ForwardService.ts b/src/services/ForwardService.ts
index af24d85..4fcb56c 100644
--- a/src/services/ForwardService.ts
+++ b/src/services/ForwardService.ts
@@ -100,7 +100,7 @@ export default class ForwardService {
               const dbEntry = await db.file.create({
                 data: { fileId: elem.fid, roomId: pair.qqRoomId, info: message },
               });
-              button = Button.url('⏬ 获取下载地址',
+              button = Button.url('⏬获取下载地址',
                 `https://t.me/${this.tgBot.me.username}?start=file-${dbEntry.id}`);
             }
             break;