diff --git a/pywxdump/db/dbFavorite.py b/pywxdump/db/dbFavorite.py
index a248909..a558c28 100644
--- a/pywxdump/db/dbFavorite.py
+++ b/pywxdump/db/dbFavorite.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         parsingFavorite.py
-# Description:  
+# Name:         Favorite.py
+# Description:  负责处理wx收藏数据库
 # Author:       xaoyaoo
 # Date:         2024/05/18
 # -------------------------------------------------------------------------------
diff --git a/pywxdump/db/dbMSG.py b/pywxdump/db/dbMSG.py
index 69c2e7e..6b79aab 100644
--- a/pywxdump/db/dbMSG.py
+++ b/pywxdump/db/dbMSG.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         parsingMSG.py
-# Description:  
+# Name:         MSG.py
+# Description:  负责处理消息数据库数据
 # Author:       xaoyaoo
 # Date:         2024/04/15
 # -------------------------------------------------------------------------------
diff --git a/pywxdump/db/dbMedia.py b/pywxdump/db/dbMedia.py
index 32a237f..6599f9e 100644
--- a/pywxdump/db/dbMedia.py
+++ b/pywxdump/db/dbMedia.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         MediaMSG_parsing.py
-# Description:  
+# Name:         MediaMSG.py
+# Description:  负责处理语音数据库
 # Author:       xaoyaoo
 # Date:         2024/04/15
 # -------------------------------------------------------------------------------
diff --git a/pywxdump/db/dbMicro.py b/pywxdump/db/dbMicro.py
index f1d9ca5..0f14448 100644
--- a/pywxdump/db/dbMicro.py
+++ b/pywxdump/db/dbMicro.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         parsingMicroMsg.py
-# Description:  
+# Name:         MicroMsg.py
+# Description:  负责处理联系人数据库
 # Author:       xaoyaoo
 # Date:         2024/04/15
 # -------------------------------------------------------------------------------
diff --git a/pywxdump/db/dbOpenIMContact.py b/pywxdump/db/dbOpenIMContact.py
index a323397..9be5627 100644
--- a/pywxdump/db/dbOpenIMContact.py
+++ b/pywxdump/db/dbOpenIMContact.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         parsingOpenIMContact.py
+# Name:         OpenIMContact.py
 # Description:  
 # Author:       xaoyaoo
 # Date:         2024/04/16
diff --git a/pywxdump/db/dbOpenIMMedia.py b/pywxdump/db/dbOpenIMMedia.py
index df30f52..fcc9ac9 100644
--- a/pywxdump/db/dbOpenIMMedia.py
+++ b/pywxdump/db/dbOpenIMMedia.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         MediaMSG_parsing.py
-# Description:  
+# Name:         OpenIMMedia.py
+# Description:  负责处理语音数据库
 # Author:       xaoyaoo
 # Date:         2024/04/15
 # -------------------------------------------------------------------------------
diff --git a/pywxdump/db/dbPublicMsg.py b/pywxdump/db/dbPublicMsg.py
index 30b9d23..ca256d8 100644
--- a/pywxdump/db/dbPublicMsg.py
+++ b/pywxdump/db/dbPublicMsg.py
@@ -1,31 +1,12 @@
 # -*- coding: utf-8 -*-#
 # -------------------------------------------------------------------------------
-# Name:         parsingPublicMsg.py
-# Description:  
+# Name:         PublicMsg.py
+# Description:  负责处理公众号数据库信息
 # Author:       xaoyaoo
 # Date:         2024/07/03
 # -------------------------------------------------------------------------------
-
-# -*- coding: utf-8 -*-#
-# -------------------------------------------------------------------------------
-# Name:         parsingMSG.py
-# Description:
-# Author:       xaoyaoo
-# Date:         2024/04/15
-# -------------------------------------------------------------------------------
-import json
-import os
-import re
-from typing import Union, Tuple
-
-import pandas as pd
-
-from .dbbase import DatabaseBase
 from .dbMSG import MsgHandler
-from .utils import get_md5, name2typeid, typeid2name, type_converter, timestamp2str, xml2dict, match_BytesExtra, \
-    db_error
-import lz4.block
-import blackboxprotobuf
+from .utils import db_error
 
 
 class PublicMsgHandler(MsgHandler):
diff --git a/pywxdump/db/dbSns.py b/pywxdump/db/dbSns.py
new file mode 100644
index 0000000..ba82d4c
--- /dev/null
+++ b/pywxdump/db/dbSns.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-#
+# -------------------------------------------------------------------------------
+# Name:         Sns.py
+# Description:  负责处理朋友圈相关数据
+# Author:       xaoyaoo
+# Date:         2024/04/15
+# -------------------------------------------------------------------------------
+from .dbbase import DatabaseBase
+from .utils import silk2audio
+
+
+class MediaHandler(DatabaseBase):
+    _class_name = "MediaMSG"
+    Media_required_tables = ["Media"]
+
+    def get_audio(self, MsgSvrID, is_play=False, is_wave=False, save_path=None, rate=24000):
+        if not self.tables_exist("Media"):
+            return False
+
+        sql = "select Buf from Media where Reserved0=? "
+        DBdata = self.execute(sql, (MsgSvrID,))
+        if not DBdata:
+            return False
+        if len(DBdata) == 0:
+            return False
+        data = DBdata[0][0]  # [1:] + b'\xFF\xFF'
+        try:
+            pcm_data = silk2audio(buf_data=data, is_play=is_play, is_wave=is_wave, save_path=save_path, rate=rate)
+            return pcm_data
+        except Exception as e:
+            return False
diff --git a/pywxdump/wx_core/utils/__init__.py b/pywxdump/wx_core/utils/__init__.py
index 4611de6..bbfea24 100644
--- a/pywxdump/wx_core/utils/__init__.py
+++ b/pywxdump/wx_core/utils/__init__.py
@@ -12,4 +12,5 @@ from .ctypes_utils import get_process_list, get_memory_maps, get_process_exe_pat
 from .memory_search import search_memory
 from ._loger import wx_core_loger
 
-DB_TYPE_CORE = ["MSG", "MediaMSG", "MicroMsg", "OpenIMContact", "OpenIMMedia", "OpenIMMsg", "Favorite", "PublicMsg"]
+DB_TYPE_CORE = ["MicroMsg", "MSG", "MediaMSG", "OpenIMContact", "OpenIMMsg", "PublicMsg", "OpenIMMedia",
+                "Favorite", "Sns"]