diff --git a/ProxyFilter/Plugin.py b/ProxyFilter/Plugin.py
new file mode 100644
index 0000000..12e2244
--- /dev/null
+++ b/ProxyFilter/Plugin.py
@@ -0,0 +1,121 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+pluginList = [ # 插件列表
+    'obfs-local',
+    'simple-tls',
+    'v2ray-plugin',
+    'xray-plugin',
+    'kcptun-client',
+    'gost-plugin',
+    'ck-client',
+    'gq-client',
+    'mtt-client',
+    'rabbit-plugin',
+    'qtun-client',
+    'gun-plugin'
+]
+
+pluginAlias = { # 插件别名
+    'obfs-local': [
+        'obfs',
+        'obfs-plugin',
+        'obfs-client',
+        'obfs-server',
+        'simple-obfs',
+    ],
+    'simple-tls': [
+        'tls-local',
+        'tls-client',
+        'tls-server',
+        'tls-plugin',
+        'simple-tls-local',
+        'simple-tls-client',
+        'simple-tls-server',
+        'simple-tls-plugin',
+    ],
+    'v2ray-plugin': [
+        'v2ray',
+        'v2ray-local',
+        'v2ray-client',
+        'v2ray-server',
+    ],
+    'xray-plugin': [
+        'xray',
+        'xray-local',
+        'xray-client',
+        'xray-server',
+    ],
+    'kcptun-client': [
+        'kcptun',
+        'kcptun-local',
+        'kcptun-server',
+        'kcptun-plugin',
+    ],
+    'gost-plugin': [
+        'gost',
+        'gost-local',
+        'gost-client',
+        'gost-server',
+    ],
+    'ck-client': [
+        'ck',
+        'ck-local',
+        'ck-server',
+        'ck-plugin',
+        'cloak',
+        'cloak-local',
+        'cloak-client',
+        'cloak-server',
+        'cloak-plugin',
+    ],
+    'gq-client': [
+        'gq',
+        'gq-local',
+        'gq-server',
+        'gq-plugin',
+        'goquiet',
+        'goquiet-local',
+        'goquiet-client',
+        'goquiet-server',
+        'goquiet-plugin',
+    ],
+    'mtt-client': [
+        'mtt',
+        'mtt-local',
+        'mtt-server',
+        'mtt-plugin',
+        'mos-tls-tunnel',
+        'mos-tls-tunnel-local',
+        'mos-tls-tunnel-client',
+        'mos-tls-tunnel-server',
+        'mos-tls-tunnel-plugin',
+    ],
+    'rabbit-plugin': [
+        'rabbit',
+        'rabbit-tcp',
+        'rabbit-local',
+        'rabbit-client',
+        'rabbit-server',
+    ],
+    'qtun-client': [
+        'qtun',
+        'qtun-local',
+        'qtun-server',
+        'qtun-plugin',
+    ],
+    'gun-plugin': [
+        'gun',
+        'gun-local',
+        'gun-client',
+        'gun-server',
+    ]
+}
+
+def pluginFormat(plugin): # 插件格式化
+    plugin = plugin.replace('_', '-').lower().strip()
+    if not plugin in pluginList: # 非标插件名
+        for pluginName in pluginAlias:
+            if plugin in pluginAlias[pluginName]: # 匹配别名列表
+                return pluginName
+    return plugin
diff --git a/ProxyFilter/Shadowsocks.py b/ProxyFilter/Shadowsocks.py
new file mode 100644
index 0000000..3c36420
--- /dev/null
+++ b/ProxyFilter/Shadowsocks.py
@@ -0,0 +1,141 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+from ProxyFilter import baseFunc
+from ProxyFilter import Plugin as sip003
+
+ssMethodList = [
+    'aes-128-gcm',
+    'aes-192-gcm',
+    'aes-256-gcm',
+    'aes-128-ctr',
+    'aes-192-ctr',
+    'aes-256-ctr',
+    'aes-128-ocb',
+    'aes-192-ocb',
+    'aes-256-ocb',
+    'aes-128-ofb',
+    'aes-192-ofb',
+    'aes-256-ofb',
+    'aes-128-cfb',
+    'aes-192-cfb',
+    'aes-256-cfb',
+    'aes-128-cfb1',
+    'aes-192-cfb1',
+    'aes-256-cfb1',
+    'aes-128-cfb8',
+    'aes-192-cfb8',
+    'aes-256-cfb8',
+    'aes-128-cfb128',
+    'aes-192-cfb128',
+    'aes-256-cfb128',
+    'camellia-128-cfb',
+    'camellia-192-cfb',
+    'camellia-256-cfb',
+    'camellia-128-cfb128',
+    'camellia-192-cfb128',
+    'camellia-256-cfb128',
+    'plain',
+    'none',
+    'table',
+    'rc4',
+    'rc4-md5',
+    'rc2-cfb',
+    'bf-cfb',
+    'cast5-cfb',
+    'des-cfb',
+    'idea-cfb',
+    'seed-cfb',
+    'salsa20',
+    'salsa20-ctr',
+    'xchacha20',
+    'chacha20',
+    'chacha20-ietf',
+    'chacha20-poly1305',
+    'chacha20-ietf-poly1305',
+    'xchacha20-ietf-poly1305'
+]
+
+pluginList = [
+    'obfs-local',
+    'simple-tls',
+    'v2ray-plugin',
+    'xray-plugin',
+    'kcptun-client',
+    'gost-plugin',
+    'ck-client',
+    'gq-client',
+    'mtt-client',
+    'rabbit-plugin',
+    'qtun-client',
+    'gun-plugin'
+]
+
+def __ssFormat(raw): # 容错性格式化
+    try:
+        raw['server'] = raw['server'].strip()
+        raw['port'] = int(raw['port'])
+        raw['method'] = raw['method'].replace('_', '-').lower().strip()
+        raw['plugin'] = sip003.pluginFormat(raw['plugin'])
+    except:
+        pass
+    return raw
+
+def ssFilter(raw):
+    '''
+    Shadowsocks节点合法性检查
+
+        不合法:
+            return False, {reason}
+
+        合法:
+            return True, {
+                'type': 'ss',
+                'server': '...',
+                'port': ...,
+                'password': '...',
+                'method": '...',
+                'plugin": '...',
+                'pluginParam": '...'
+            }
+    '''
+    try:
+        result = {}
+        result['type'] = 'ss'
+        raw = __ssFormat(raw)
+
+        if not 'server' in raw:
+            return False, 'Missing `server` option'
+        if not 'port' in raw:
+            return False, 'Missing `port` option'
+        if not 'password' in raw:
+            return False, 'Missing `password` option'
+        if not 'method' in raw:
+            return False, 'Missing `method` option'
+
+        if baseFunc.isHost(raw['server']):
+            result['server'] = raw['server']
+        else:
+            return False, 'Illegal `server` option'
+        if baseFunc.isPort(raw['port']):
+            result['port'] = raw['port']
+        else:
+            return False, 'Illegal `port` option'
+        result['password'] = raw['password']
+        if raw['method'] in ssMethodList:
+            result['method'] = raw['method']
+        else:
+            return False, 'Unknown shadowsocks method'
+        
+        if (not 'plugin' in raw) or raw['plugin'] == '':
+            result['plugin'] = ''
+            result['pluginParam'] = ''
+        else:
+            if raw['plugin'] in pluginList:
+                result['plugin'] = raw['plugin']
+                result['pluginParam'] = raw['pluginParam']
+            else:
+                return False, 'Unknown sip003 plugin'
+    except:
+        return False, 'Unknown error'
+    return True, result
diff --git a/ProxyFilter/__init__.py b/ProxyFilter/__init__.py
new file mode 100644
index 0000000..f7b8eb9
--- /dev/null
+++ b/ProxyFilter/__init__.py
@@ -0,0 +1,6 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+from ProxyFilter.filter import *
+
+__all__ = [ 'filter' ]
diff --git a/ProxyFilter/baseFunc.py b/ProxyFilter/baseFunc.py
new file mode 100644
index 0000000..dc397ad
--- /dev/null
+++ b/ProxyFilter/baseFunc.py
@@ -0,0 +1,39 @@
+import re
+import IPy
+
+def isHost(host: str) -> bool:
+    '''
+    判断host是否合法
+
+    IPv4 / IPv6 / Domain
+
+        合法: return True
+
+        不合法: return False
+    '''
+    try:
+        IPy.IP(host)
+        if host.find('/') != -1: # filter CIDR
+            return False
+        return True
+    except: # not IP address
+        pass
+    return (re.search(r'^(?=^.{3,255}$)[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62}(\.[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62})+$', host) != None)
+
+def isPort(port) -> bool:
+    '''
+    判断端口是否合法
+
+    1 ~ 65535
+
+        合法: return True
+
+        不合法: return False
+    '''
+    try:
+        if isinstance(port, (int, str)):
+            if int(port) >= 1 and int(port) <= 65535:
+                return True
+    except: # illegal
+        pass
+    return False
diff --git a/ProxyFilter/filter.py b/ProxyFilter/filter.py
new file mode 100644
index 0000000..de5a443
--- /dev/null
+++ b/ProxyFilter/filter.py
@@ -0,0 +1,30 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+from ProxyFilter import Shadowsocks
+
+def filter(raw):
+    '''
+    代理信息过滤并格式化
+
+        参数无效:
+            return False, {reason}
+
+        参数有效:
+            return True, {
+                '...': '...',
+                '...': '...',
+                ...
+            }
+
+    '''
+    try:
+        if not 'type' in raw:
+            return False, 'Missing `type` option'
+        if raw['type'] == 'ss':
+            return Shadowsocks.ssFilter(raw)
+        else:
+            return False, 'Unknown proxy type'
+    except:
+        pass
+    return False, 'Unknown error'
diff --git a/demo.py b/demo.py
new file mode 100644
index 0000000..8232825
--- /dev/null
+++ b/demo.py
@@ -0,0 +1,16 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+
+import ProxyFilter as Filter
+
+info = {
+    "type": "ss",
+    "server": "127.0.0.1 ",
+    "port": 12345,
+    "password": "dnomd343",
+    "method": "aes_256-ctr",
+    "plugin": "obfs",
+    "pluginParam": "obfs=http;host=www.bing.com"
+}
+
+print(Filter.filter(info))