diff --git a/ProxyBuilder/Shadowsocks.py b/ProxyBuilder/Shadowsocks.py
index 3950c76..b888635 100644
--- a/ProxyBuilder/Shadowsocks.py
+++ b/ProxyBuilder/Shadowsocks.py
@@ -206,8 +206,8 @@ def __ssFormatCheck(proxyInfo: dict) -> bool: # Shadowsocks参数检查
         return False
     if 'plugin' not in proxyInfo:
         return False
-    plugin = proxyInfo['plugin']
-    if isinstance(plugin, dict): # plugin -> dict / None
+    plugin = proxyInfo['plugin'] # plugin -> dict / None
+    if isinstance(plugin, dict):
         if 'type' not in plugin or not isinstance(plugin['type'], str): # plugin.type -> str
             return False
         if 'param' not in plugin or not isinstance(plugin['param'], str): # plugin.param -> str
diff --git a/ProxyBuilder/builder.py b/ProxyBuilder/builder.py
index af72d7b..d03170d 100644
--- a/ProxyBuilder/builder.py
+++ b/ProxyBuilder/builder.py
@@ -54,7 +54,7 @@ def __checkPortAvailable(port: int) -> bool: # 检测端口可用性
             ipv6_udp.close()
         except: pass
 
-def __genTaskFlag(length: int = 16) -> str: # 生成任务代号
+def __genTaskFlag(length: int = 16) -> str: # 生成任务标志
     flag = ''
     for i in range(0, length):
         tmp = random.randint(0, 15)
@@ -64,14 +64,14 @@ def __genTaskFlag(length: int = 16) -> str: # 生成任务代号
             flag += str(tmp) # 0 ~ 9
     return flag
 
-def __getAvailablePort(rangeStart: int, rangeEnd: int) -> int or None: # 获取一个空闲端口
-    if rangeStart > rangeEnd or rangeStart < 0 or rangeEnd > 65535:
+def __getAvailablePort(rangeStart: int = 41952, rangeEnd: int = 65535) -> int or None: # 获取一个空闲端口
+    if rangeStart > rangeEnd or rangeStart < 1 or rangeEnd > 65535:
         return None
     while True:
         port = random.randint(rangeStart, rangeEnd) # 随机选取
         if __checkPortAvailable(port):
             return port
-        time.sleep(0.1) # 100ms
+        time.sleep(0.1) # wait for 100ms
 
 def build(proxyInfo: dict, configDir: str,
           portRangeStart: int = 1024, portRangeEnd: int = 65535) -> tuple[bool or None, str or dict]:
diff --git a/ProxyDecoder/Shadowsocks.py b/ProxyDecoder/Shadowsocks.py
index a4a1a4a..9ca1f0e 100644
--- a/ProxyDecoder/Shadowsocks.py
+++ b/ProxyDecoder/Shadowsocks.py
@@ -111,16 +111,20 @@ def __sip002Decode(url: str) -> dict or None:
                 plugin = baseFunc.urlDecode(field.group(2)) # plugin参数
                 break
         if plugin.find(';') == -1: # plugin=... (无参数)
-            info['plugin'] = {
+            pluginField = {
                 'type': plugin,
                 'param': ''
             }
         else: # plugin=...;... (带参数)
             plugin = re.search(r'^([\S]*?);([\S]*)$', plugin) # 插件名;插件参数
-            info['plugin'] = {
+            pluginField = {
                 'type': plugin.group(1),
                 'param': plugin.group(2)
             }
+        if pluginField['type'] == '': # 无插件情况
+            info['plugin'] = None
+        else:
+            info['plugin'] = pluginField
         return info
     except:
         return None
diff --git a/ProxyFilter/Shadowsocks.py b/ProxyFilter/Shadowsocks.py
index f69ded2..21a57ad 100644
--- a/ProxyFilter/Shadowsocks.py
+++ b/ProxyFilter/Shadowsocks.py
@@ -76,8 +76,6 @@ def __ssFill(raw: dict) -> dict: # 补全可选值
         if 'plugin' not in raw:
             raw['plugin'] = None
         if raw['plugin'] is not None:
-            if 'type' not in raw['plugin']:
-                raw['plugin']['type'] = ''
             if 'param' not in raw['plugin']:
                 raw['plugin']['param'] = ''
     except:
@@ -89,13 +87,65 @@ def __ssFormat(raw: dict) -> dict: # 容错性格式化
         raw['server'] = raw['server'].strip()
         raw['port'] = int(raw['port'])
         raw['method'] = raw['method'].replace('_', '-').lower().strip()
+        if isinstance(raw['plugin'], str):
+            raw['plugin'] = raw['plugin'].strip()
+            if raw['plugin'] == '':
+                raw['plugin'] = None
+            else:
+                raw['plugin'] = {
+                    'type': raw['plugin'],
+                    'param': ''
+                }
         if raw['plugin'] is not None:
-            raw['plugin']['type'] = sip003.pluginFormat(raw['plugin']['type'])
+            if isinstance(raw['plugin']['type'], str):
+                raw['plugin']['type'] = raw['plugin']['type'].strip()
+            if raw['plugin']['type'] in [None, '']:
+                raw['plugin'] = None
+            else:
+                raw['plugin']['type'] = sip003.pluginFormat(raw['plugin']['type'])
     except:
         pass
     return raw
 
-def ssFilter(raw: dict) -> tuple[bool, str or dict]:
+def __ssParamCheck(raw: dict) -> tuple[bool, str or None]: # 参数检查
+    try:
+        if 'server' not in raw:
+            return False, 'Missing `server` option'
+        if 'port' not in raw:
+            return False, 'Missing `port` option'
+        if 'method' not in raw:
+            return False, 'Missing `method` option'
+        if 'passwd' not in raw:
+            return False, 'Missing `passwd` option'
+        if 'plugin' not in raw:
+            return False, 'Missing `plugin` option'
+        if raw['plugin'] is not None:
+            if 'type' not in raw['plugin']:
+                return False, 'Missing `plugin.type` option'
+            if 'param' not in raw['plugin']:
+                return False, 'Missing `plugin.param` option'
+
+        if not isinstance(raw['server'], str):
+            return False, 'Illegal `server` option'
+        if not isinstance(raw['port'], int):
+            return False, 'Illegal `int` option'
+        if not isinstance(raw['method'], str):
+            return False, 'Illegal `method` option'
+        if not isinstance(raw['passwd'], str):
+            return False, 'Illegal `passwd` option'
+        if (raw['plugin'] is not None) and (not isinstance(raw['plugin'], dict)):
+            return False, 'Illegal `plugin` option'
+
+        if raw['plugin'] is not None:
+            if not isinstance(raw['plugin']['type'], str):
+                return False, 'Illegal `plugin.type` option'
+            if not isinstance(raw['plugin']['param'], str):
+                return False, 'Illegal `plugin.param` option'
+    except:
+        return False, 'Unknown error'
+    return True, None
+
+def ssFilter(rawInfo: dict, isExtra: bool) -> tuple[bool, str or dict]:
     """
     Shadowsocks节点合法性检查
 
@@ -109,17 +159,22 @@ def ssFilter(raw: dict) -> tuple[bool, str or dict]:
             }
     """
     try:
-        if 'server' not in raw: # 必选值检查
-            return False, 'Missing `server` option'
-        if 'port' not in raw:
-            return False, 'Missing `port` option'
-        if 'method' not in raw:
-            return False, 'Missing `method` option'
-        if 'passwd' not in raw:
-            return False, 'Missing `passwd` option'
-        raw = __ssFormat(__ssFill(raw)) # 预处理
+        raw = rawInfo
+        raw = __ssFormat(__ssFill(raw))  # 预处理
+        status, reason = __ssParamCheck(raw) # 参数检查
+        if not status: # 参数有误
+            return False, reason
 
         result = {'type': 'ss'}
+        if isExtra: # 携带额外参数
+            if 'remark' not in raw: # 补全默认值
+                raw['remark'] = ''
+            if raw['remark'] is None: # 容错格式化
+                raw['remark'] = ''
+            if not isinstance(raw['remark'], str): # 参数检查
+                return False, 'Illegal `remark` option'
+            result['remark'] = raw['remark']
+
         if baseFunc.isHost(raw['server']):
             result['server'] = raw['server'] # server
         else:
@@ -134,7 +189,7 @@ def ssFilter(raw: dict) -> tuple[bool, str or dict]:
             return False, 'Unknown Shadowsocks method'
         result['passwd'] = raw['passwd'] # passwd
 
-        if raw['plugin'] is None or raw['plugin']['type'] in [None, '']:
+        if raw['plugin'] is None:
             plugin = None
         else:
             if raw['plugin']['type'] in pluginList:
diff --git a/ProxyFilter/ShadowsocksR.py b/ProxyFilter/ShadowsocksR.py
index 2d77d35..760368e 100644
--- a/ProxyFilter/ShadowsocksR.py
+++ b/ProxyFilter/ShadowsocksR.py
@@ -92,14 +92,60 @@ def __ssrFormat(raw: dict) -> dict: # 容错性格式化
         raw['server'] = raw['server'].strip()
         raw['port'] = int(raw['port'])
         raw['method'] = raw['method'].replace('_', '-').lower().strip()
+        if raw['protocol'] is None:
+            raw['protocol'] = ''
+        if raw['protocolParam'] is None:
+            raw['protocolParam'] = ''
+        if raw['obfs'] is None:
+            raw['obfs'] = ''
+        if raw['obfsParam'] is None:
+            raw['obfsParam'] = ''
         raw['protocol'] = raw['protocol'].replace('-', '_').lower().strip()
         raw['obfs'] = raw['obfs'].replace('-', '_').lower().strip()
     except:
         pass
     return raw
 
+def __ssrParamCheck(raw: dict) -> tuple[bool, str or None]: # 参数检查
+    try:
+        if 'server' not in raw:
+            return False, 'Missing `server` option'
+        if 'port' not in raw:
+            return False, 'Missing `port` option'
+        if 'method' not in raw:
+            return False, 'Missing `method` option'
+        if 'passwd' not in raw:
+            return False, 'Missing `passwd` option'
+        if 'protocol' not in raw:
+            return False, 'Missing `protocol` option'
+        if 'protocolParam' not in raw:
+            return False, 'Missing `protocolParam` option'
+        if 'obfs' not in raw:
+            return False, 'Missing `obfs` option'
+        if 'obfsParam' not in raw:
+            return False, 'Missing `obfsParam` option'
 
-def ssrFilter(raw: dict) -> tuple[bool, str or dict]:
+        if not isinstance(raw['server'], str):
+            return False, 'Illegal `server` option'
+        if not isinstance(raw['port'], int):
+            return False, 'Illegal `int` option'
+        if not isinstance(raw['method'], str):
+            return False, 'Illegal `method` option'
+        if not isinstance(raw['passwd'], str):
+            return False, 'Illegal `passwd` option'
+        if not isinstance(raw['protocol'], str):
+            return False, 'Illegal `protocol` option'
+        if not isinstance(raw['protocolParam'], str):
+            return False, 'Illegal `protocolParam` option'
+        if not isinstance(raw['obfs'], str):
+            return False, 'Illegal `obfs` option'
+        if not isinstance(raw['obfsParam'], str):
+            return False, 'Illegal `obfsParam` option'
+    except:
+        return False, 'Unknown error'
+    return True, None
+
+def ssrFilter(rawInfo: dict, isExtra: bool) -> tuple[bool, str or dict]:
     """
     ShadowsocksR节点合法性检查
 
@@ -113,18 +159,29 @@ def ssrFilter(raw: dict) -> tuple[bool, str or dict]:
             }
     """
     try:
-
-        if 'server' not in raw: # 必选值检查
-            return False, 'Missing `server` option'
-        if 'port' not in raw:
-            return False, 'Missing `port` option'
-        if 'method' not in raw:
-            return False, 'Missing `method` option'
-        if 'passwd' not in raw:
-            return False, 'Missing `password` option'
-        raw = __ssrFormat(__ssrFill(raw)) # 预处理
+        raw = rawInfo
+        raw = __ssrFormat(__ssrFill(raw))  # 预处理
+        status, reason = __ssrParamCheck(raw) # 参数检查
+        if not status: # 参数有误
+            return False, reason
 
         result = {'type': 'ssr'}
+        if isExtra: # 携带额外参数
+            if 'remark' not in raw: # 补全默认值
+                raw['remark'] = ''
+            if 'group' not in raw:
+                raw['group'] = ''
+            if raw['remark'] is None: # 容错格式化
+                raw['remark'] = ''
+            if raw['group'] is None:
+                raw['group'] = ''
+            if not isinstance(raw['remark'], str): # 参数检查
+                return False, 'Illegal `remark` option'
+            if not isinstance(raw['group'], str):
+                return False, 'Illegal `group` option'
+            result['remark'] = raw['remark']
+            result['group'] = raw['group']
+
         if baseFunc.isHost(raw['server']):
             result['server'] = raw['server'] # server
         else:
@@ -139,7 +196,7 @@ def ssrFilter(raw: dict) -> tuple[bool, str or dict]:
             return False, 'Unknown ShadowsocksR method'
         result['passwd'] = raw['passwd'] # passwd
 
-        if raw['protocol'] in [None, '', 'origin']: # 默认协议
+        if raw['protocol'] in ['', 'origin']: # 默认协议
             result['protocol'] = 'origin'
             result['protocolParam'] = ''
         else:
@@ -149,7 +206,7 @@ def ssrFilter(raw: dict) -> tuple[bool, str or dict]:
             else:
                 return False, 'Unknown ShadowsocksR protocol'
 
-        if raw['obfs'] in [None, '', 'plain']: # 默认混淆
+        if raw['obfs'] in ['', 'plain']: # 默认混淆
             result['obfs'] = 'plain'
             result['obfsParam'] = ''
         else:
diff --git a/ProxyFilter/baseFunc.py b/ProxyFilter/baseFunc.py
index 1e4dea2..e3e81b7 100644
--- a/ProxyFilter/baseFunc.py
+++ b/ProxyFilter/baseFunc.py
@@ -18,10 +18,15 @@ def isHost(host: str) -> bool:
         IPy.IP(host)
         if host.find('/') != -1: # filter CIDR
             return False
-        return True
-    except: # not IP address
+        return True # IP地址合法
+    except:
         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) is not None
+    try:
+        return re.search( # 域名匹配
+            r'^(?=^.{3,255}$)[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62}(\.[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62})+$', host
+        ) is not None
+    except: # 异常错误
+        return False
 
 def isPort(port: int) -> bool:
     """
@@ -34,7 +39,7 @@ def isPort(port: int) -> bool:
         不合法: return False
     """
     try:
-        if 1 <= port <= 65535:
+        if 1 <= port <= 65535: # 1 ~ 65535
             return True
     except: # illegal
         pass
diff --git a/ProxyFilter/filter.py b/ProxyFilter/filter.py
index 5933304..43413d2 100644
--- a/ProxyFilter/filter.py
+++ b/ProxyFilter/filter.py
@@ -4,7 +4,7 @@
 from ProxyFilter import Shadowsocks
 from ProxyFilter import ShadowsocksR
 
-def filte(raw: dict) -> tuple[bool, str]:
+def filte(raw: dict, isExtra: bool = False) -> tuple[bool, str]:
     """
     代理信息过滤并格式化
 
@@ -13,7 +13,7 @@ def filte(raw: dict) -> tuple[bool, str]:
 
         参数有效:
             return True, {
-                '...': '...',
+                'type': '...',
                 '...': '...',
                 ...
             }
@@ -22,9 +22,9 @@ def filte(raw: dict) -> tuple[bool, str]:
         if 'type' not in raw:
             return False, 'Missing `type` option'
         if raw['type'] == 'ss':
-            return Shadowsocks.ssFilter(raw)
+            return Shadowsocks.ssFilter(raw, isExtra)
         elif raw['type'] == 'ssr':
-            return ShadowsocksR.ssrFilter(raw)
+            return ShadowsocksR.ssrFilter(raw, isExtra)
         else:
             return False, 'Unknown proxy type'
     except:
diff --git a/Web.py b/Web.py
index dba30c4..574ef97 100644
--- a/Web.py
+++ b/Web.py
@@ -71,7 +71,7 @@ def addCheckTask(checkList: dict, proxyList: dict, priority: str, userId: str) -
             proxyList[i] = Decoder.decode(proxyList[i]) # 解码分享链接
             if proxyList[i] is None:
                 return genError('could not decode index ' + str(i))
-            status, proxyList[i] = Filter.filte(proxyList[i]) # 节点信息检查
+            status, proxyList[i] = Filter.filte(proxyList[i], isExtra = True) # 节点信息检查
             if not status: # 节点不合法
                 return genError('index ' + str(i) + ': ' + proxyList[i])
 
diff --git a/docs/ProxyObject.md b/docs/ProxyObject.md
index 555942a..d0a96e9 100644
--- a/docs/ProxyObject.md
+++ b/docs/ProxyObject.md
@@ -19,6 +19,16 @@
 
 ## Shadowsocks
 
+> **remark**
+> 
+> + 类型：*str*
+> 
+> + 说明：节点备注名称
+> 
+> + 缺省：''
+> 
+> + 可选值：不限
+
 ```
 {
     'type': 'ss',
@@ -113,6 +123,27 @@
 
 ## ShadowsocksR
 
+> **remark**
+> 
+> + 类型：*str*
+> 
+> + 说明：节点备注名称
+> 
+> + 缺省：''
+> 
+> + 可选值：不限
+>
+
+> **group**
+> 
+> + 类型：*str*
+> 
+> + 说明：节点所属群组
+> 
+> + 缺省：''
+> 
+> + 可选值：不限
+
 ```
 {
     'type': 'ssr',