diff --git a/app/DataBase/hard_link.py b/app/DataBase/hard_link.py
index 3714028..37a656d 100644
--- a/app/DataBase/hard_link.py
+++ b/app/DataBase/hard_link.py
@@ -7,8 +7,7 @@ import xml.etree.ElementTree as ET
 from app.log import log
 
 lock = threading.Lock()
-DB = None
-cursor = None
+
 db_path = "./app/Database/Msg/HardLinkImage.db"
 root_path = 'FileStorage/MsgAttach/'
 
diff --git a/app/DataBase/media_msg.py b/app/DataBase/media_msg.py
new file mode 100644
index 0000000..d1a57ad
--- /dev/null
+++ b/app/DataBase/media_msg.py
@@ -0,0 +1,58 @@
+import os.path
+import sqlite3
+import threading
+
+lock = threading.Lock()
+db_path = "./app/Database/Msg/MediaMSG3.db"
+
+
+def singleton(cls):
+    _instance = {}
+
+    def inner():
+        if cls not in _instance:
+            _instance[cls] = cls()
+        return _instance[cls]
+
+    return inner
+
+
+@singleton
+class MediaMsg:
+    def __init__(self):
+        self.DB = None
+        self.cursor: sqlite3.Cursor = None
+        self.open_flag = False
+        self.init_database()
+
+    def init_database(self):
+        if not self.open_flag:
+            if os.path.exists(db_path):
+                self.DB = sqlite3.connect(db_path, check_same_thread=False)
+                # '''创建游标'''
+                self.cursor = self.DB.cursor()
+                self.open_flag = True
+                if lock.locked():
+                    lock.release()
+
+    def get_media_buffer(self, reserved0):
+        pass
+        sql = '''
+            select Buf
+            from Media
+            where Reserved0 = ?
+        '''
+        try:
+            lock.acquire(True)
+            self.cursor.execute(sql, [reserved0])
+            return self.cursor.fetchone()
+        finally:
+            lock.release()
+
+
+if __name__ == '__main__':
+    db_path = './Msg/MediaMSG3.db'
+    media_msg_db = MediaMsg()
+    reserved = '823076859361714342'
+    buf = media_msg_db.get_media_buffer(reserved)
+    print(buf)
diff --git a/app/DataBase/msg.py b/app/DataBase/msg.py
index dbd8fac..f74ef98 100644
--- a/app/DataBase/msg.py
+++ b/app/DataBase/msg.py
@@ -49,7 +49,7 @@ class Msg:
         if not self.open_flag:
             return None
         sql = '''
-            select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime
+            select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID
             from MSG
             where StrTalker=?
             order by CreateTime
@@ -65,7 +65,7 @@ class Msg:
 
     def get_messages_all(self):
         sql = '''
-            select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime
+            select localId,TalkerId,Type,SubType,IsSender,CreateTime,Status,StrContent,strftime('%Y-%m-%d %H:%M:%S',CreateTime,'unixepoch','localtime') as StrTime,MsgSvrID
             from MSG
             order by CreateTime
         '''
diff --git a/readme.md b/readme.md
index dd6bd0a..22ce7fd 100644
--- a/readme.md
+++ b/readme.md
@@ -35,8 +35,8 @@
 
 ## 🍉功能
 
-- 获得📱手机本地微信数据库的使用权🐶
-- 获得💻PC端本地微信数据库的使用权🐶
+- 解密📱手机本地微信数据库🐶
+- 解密💻PC端本地微信数据库🐶
 - 还原微信聊天界面
     - 🗨文本✅
     - 🏝图片✅