diff --git a/src/data/FileManager.ts b/src/data/FileManager.ts
index 97f7c55..18a47e0 100644
--- a/src/data/FileManager.ts
+++ b/src/data/FileManager.ts
@@ -7,16 +7,17 @@ import fs from 'node:fs/promises'
 import { fileTypeFromBuffer } from 'file-type'
 
 export default class FileManager {
-    static FileBean = interface {
-        count: number,
-        name: string,
-        hash: string,
-        mime: string,
+    static FileBean = class {
+        declare count: number
+        declare name: string
+        declare hash: string
+        declare mime: string
+        declare chatid: string
     }
     
     static File = class {
         declare bean: FileManager.FileBean
-        constructor(bean: UserBean) {
+        constructor(bean: FileManager.FileBean) {
             this.bean = bean
         }
         getMime(): string {
@@ -36,6 +37,9 @@ export default class FileManager {
                 this.bean.hash
             )
         }
+        getChatId(): string {
+            return this.bean.chatid
+        }
         async readAsync(): Buffer {
             return await fs.readFile(this.getFilePath())
         }
@@ -50,16 +54,49 @@ export default class FileManager {
                 /* 序号 */ count INTEGER PRIMARY KEY AUTOINCREMENT,
                 /* 文件名称 */ name TEXT NOT NULL,
                 /* 文件哈希 */ hash TEXT NOT NULL,
-                /* MIME 类型 */ mime TEXT NOT NULL
+                /* MIME 类型 */ mime TEXT NOT NULL,
+                /* 来源 Chat */ chatid TEXT NOT NULL,
+                /* 上传时间 */ upload_time INT8 NOT NULL,
+                /* 最后使用时间 */ last_used_time INT8 NOT NULL
             );
        `)
        return db
     }
     
-    static uploadFile(fileName: string, data: Buffer) {
+    static async uploadFile(fileName: string, data: Buffer, chatId: string) {
         const hash = crypto.createHash('sha256').update(data).digest('hex')
-        mime = fileTypeFromBuffer(data)
-        
+        const mime = fileTypeFromBuffer(data)
+        await fs.writeFile(
+            path.join(
+                config.data_path, 
+                "files",
+                hash.substring(0, 1),
+                hash.substring(2, 3),
+                hash.substring(3, 4),
+                hash
+            ),
+            data
+        )
+        return new FileManager.File(
+            FileManager.findAllBeansByCondition(
+                'count = ?', 
+                FileManager.database.prepare(`INSERT INTO ${FileManager.table_name} (
+                    name,
+                    hash,
+                    mime,
+                    chatid,
+                    upload_time,
+                    last_used_time
+                ) VALUES (?, ?, ?, ?, ?, ?);`).run(
+                    fileName,
+                    hash,
+                    mime,
+                    chatId,
+                    Date.now(),
+                    -1
+                ).lastInsertRowid
+            )[0]
+        )
     }
     
     private static findAllBeansByCondition(condition: string, ...args: unknown[]): FileManager.FileBean[] {