diff --git a/Decoder/Shadowsocks.py b/Decoder/Shadowsocks.py
index 7315eac..857b4b6 100644
--- a/Decoder/Shadowsocks.py
+++ b/Decoder/Shadowsocks.py
@@ -4,28 +4,26 @@
 # SIP002: https://shadowsocks.org/guide/sip002.html
 # Plain / Common: https://shadowsocks.org/guide/configs.html#uri-and-qr-code
 
-import copy
 from Utils.Logger import logger
 from Utils.Common import urlDecode, b64Decode
 from Utils.Common import checkScheme, splitTag
 
-ssBasicConfig = {
-    'type': 'ss',
-    'info': {}
-}
-
 
 def ssPlain(url: str) -> dict:
     """
     FORMAT: ss://method:password@hostname:port[#TAG]
     """
-    config = copy.deepcopy(ssBasicConfig)
-    logger.debug('Shadowsocks plain decode -> %s' % url)
+    config = {
+        'type': 'ss',
+        'info': {}
+    }
+    info = config['info']
+    logger.debug('Shadowsocks plain url decode -> %s' % url)
     url, config['name'] = splitTag(checkScheme(url, 'ss', 'Shadowsocks plain'), fromRight = True)
     userinfo, url = url.rsplit('@', 1)
-    config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
-    config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
-    logger.debug('Shadowsocks plain decode release -> %s', config)
+    info['server'], info['port'] = url.rsplit(':', 1)
+    info['method'], info['passwd'] = userinfo.split(':', 1)
+    logger.debug('Shadowsocks plain url release -> %s' % config)
     return config
 
 
@@ -34,13 +32,17 @@ def ssCommon(url: str) -> dict:
     FORMAT: ss://BASE64-ENCODED-STRING-WITHOUT-PADDING[#TAG]
             base64('method:password@hostname:port')
     """
-    config = copy.deepcopy(ssBasicConfig)
-    logger.debug('Shadowsocks common decode -> %s' % url)
+    config = {
+        'type': 'ss',
+        'info': {}
+    }
+    info = config['info']
+    logger.debug('Shadowsocks common url decode -> %s' % url)
     url, config['name'] = splitTag(checkScheme(url, 'ss', 'Shadowsocks common'))
     userinfo, url = b64Decode(url).rsplit('@', 1)
-    config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
-    config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
-    logger.debug('Shadowsocks common decode release -> %s', config)
+    info['server'], info['port'] = url.rsplit(':', 1)
+    info['method'], info['passwd'] = userinfo.split(':', 1)
+    logger.debug('Shadowsocks common url release -> %s' % config)
     return config
 
 
@@ -49,23 +51,27 @@ def sip002(url: str) -> dict:
     FORMAT: ss://userinfo@hostname:port [ "/" ] [ "?" plugin ] [ #tag ]
             userinfo => method:password or websafe-base64-encode-utf8(method:password)
     """
-    config = copy.deepcopy(ssBasicConfig)
-    logger.debug('SIP002 decode -> %s' % url)
+    config = {
+        'type': 'ss',
+        'info': {}
+    }
+    info = config['info']
+    logger.debug('SIP002 url decode -> %s' % url)
     url, config['name'] = splitTag(checkScheme(url, 'ss', 'SIP002'))
     userinfo, url = url.rsplit('@', 1)
     try:
         userinfo = b64Decode(userinfo)  # userinfo encode base64 is optional
     except:
         userinfo = urlDecode(userinfo)  # not base64 decode -> url encode format
-    config['info']['method'], config['info']['passwd'] = userinfo.split(':', 1)
+    info['method'], info['passwd'] = userinfo.split(':', 1)
     url = url.replace('/?plugin=', '?plugin=')  # remove `/` character
     if '?plugin=' in url:  # with sip003 plugin
         url, plugin = url.split('?plugin=', 1)
         plugin = urlDecode(plugin).split(';', 1)
-        config['info']['plugin'] = {
+        info['plugin'] = {
             'type': plugin[0],
             'param': '' if len(plugin) == 1 else plugin[1]  # default as empty string
         }
-    config['info']['server'], config['info']['port'] = url.rsplit(':', 1)
-    logger.debug('SIP002 decode release -> %s', config)
+    info['server'], info['port'] = url.rsplit(':', 1)
+    logger.debug('SIP002 url release -> %s' % config)
     return config
diff --git a/Decoder/ShadowsocksR.py b/Decoder/ShadowsocksR.py
index e196c2d..6e63718 100644
--- a/Decoder/ShadowsocksR.py
+++ b/Decoder/ShadowsocksR.py
@@ -6,6 +6,7 @@
 from Utils.Logger import logger
 from Utils.Common import b64Decode, checkScheme, splitParam
 
+
 def ssr(url: str) -> dict:
     """
     FORMAT: ssr://base64(
@@ -18,7 +19,7 @@ def ssr(url: str) -> dict:
         'info': {}
     }
     info = config['info']
-    logger.debug('ShadowsocksR decode -> %s' % url)
+    logger.debug('ShadowsocksR url decode -> %s' % url)
 
     params = ''
     url = b64Decode(checkScheme(url, 'ssr', 'ShadowsocksR'))
@@ -28,10 +29,10 @@ def ssr(url: str) -> dict:
     info['passwd'] = b64Decode(info['passwd'])
 
     params = splitParam(params)
-    logger.debug('ShadowsocksR decode params -> %s' % params)
+    logger.debug('ShadowsocksR url params -> %s' % params)
     info['obfsParam'] = b64Decode(params['obfsparam']) if 'obfsparam' in params else ''
     info['protocolParam'] = b64Decode(params['protoparam']) if 'protoparam' in params else ''
     config['name'] = b64Decode(params['remarks']) if 'remarks' in params else ''
     config['group'] = b64Decode(params['group']) if 'group' in params else ''
-    logger.debug('ShadowsocksR decode release -> %s', config)
+    logger.debug('ShadowsocksR url release -> %s' % config)
     return config
diff --git a/Filter/Brook.py b/Filter/Brook.py
index bca45be..24d0b89 100644
--- a/Filter/Brook.py
+++ b/Filter/Brook.py
@@ -2,8 +2,8 @@
 # -*- coding: utf-8 -*-
 
 import copy
-from Utils.Common import isHost, isPort
 from Utils.Filter import Filter, rulesFilter
+from Utils.Common import isHost, isPort, hostFormat
 from Utils.Common import toInt, toStr, toStrTidy, toBool
 
 secureObject = rulesFilter({
@@ -72,7 +72,7 @@ wsObject = rulesFilter({
 brookObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/Hysteria.py b/Filter/Hysteria.py
index 8820433..75d11f0 100644
--- a/Filter/Hysteria.py
+++ b/Filter/Hysteria.py
@@ -4,13 +4,13 @@
 import copy
 from Utils.Constant import hysteriaProtocols
 from Utils.Filter import Filter, rulesFilter
-from Utils.Common import isHost, isPort, isIpAddr
 from Utils.Common import toInt, toStr, toStrTidy, toBool
+from Utils.Common import isHost, isPort, isIpAddr, hostFormat
 
 hysteriaObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/Shadowsocks.py b/Filter/Shadowsocks.py
index 428977c..6abceb0 100644
--- a/Filter/Shadowsocks.py
+++ b/Filter/Shadowsocks.py
@@ -6,12 +6,12 @@ from Filter.Plugin import pluginObject
 from Utils.Constant import ssAllMethods
 from Utils.Common import isHost, isPort
 from Utils.Filter import Filter, rulesFilter
-from Utils.Common import toInt, toStr, toStrTidy
+from Utils.Common import toInt, toStr, toStrTidy, hostFormat
 
 ssObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/ShadowsocksR.py b/Filter/ShadowsocksR.py
index bdf2009..02cf8ef 100644
--- a/Filter/ShadowsocksR.py
+++ b/Filter/ShadowsocksR.py
@@ -4,7 +4,7 @@
 import copy
 from Utils.Common import isHost, isPort
 from Utils.Filter import Filter, rulesFilter
-from Utils.Common import toInt, toStr, toStrTidy
+from Utils.Common import toInt, toStr, toStrTidy, hostFormat
 from Utils.Constant import ssrMethods, ssrProtocols, ssrObfuscations
 
 
@@ -21,7 +21,7 @@ def ssrObfsFormat(obfs: str) -> str:
 ssrObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/Trojan.py b/Filter/Trojan.py
index caaac39..528079a 100644
--- a/Filter/Trojan.py
+++ b/Filter/Trojan.py
@@ -5,12 +5,12 @@ import copy
 from Filter import Xray
 from Utils.Common import isHost, isPort
 from Utils.Filter import Filter, rulesFilter
-from Utils.Common import toInt, toStr, toStrTidy
+from Utils.Common import toInt, toStr, toStrTidy, hostFormat
 
 trojanObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/TrojanGo.py b/Filter/TrojanGo.py
index fcfc99c..b55c024 100644
--- a/Filter/TrojanGo.py
+++ b/Filter/TrojanGo.py
@@ -3,9 +3,9 @@
 
 import copy
 from Filter.Plugin import pluginObject
-from Utils.Common import isHost, isPort
 from Utils.Constant import trojanGoMethods
 from Utils.Filter import Filter, rulesFilter
+from Utils.Common import isHost, isPort, hostFormat
 from Utils.Common import isIpAddr, toInt, toStr, toStrTidy, toBool
 
 ssObject = rulesFilter({
@@ -46,7 +46,7 @@ wsObject = rulesFilter({
 trojanGoObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/VLESS.py b/Filter/VLESS.py
index 91aa491..11ab40b 100644
--- a/Filter/VLESS.py
+++ b/Filter/VLESS.py
@@ -4,13 +4,13 @@
 import copy
 from Filter import Xray
 from Utils.Common import isHost, isPort
-from Utils.Common import toInt, toStrTidy
 from Utils.Filter import Filter, rulesFilter
+from Utils.Common import toInt, toStrTidy, hostFormat
 
 vlessObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Filter/VMess.py b/Filter/VMess.py
index 90f9abd..52884f6 100644
--- a/Filter/VMess.py
+++ b/Filter/VMess.py
@@ -5,13 +5,13 @@ import copy
 from Filter import V2ray
 from Utils.Constant import vmessMethods
 from Utils.Common import isHost, isPort
-from Utils.Common import toInt, toStrTidy
 from Utils.Filter import Filter, rulesFilter
+from Utils.Common import toInt, toStrTidy, hostFormat
 
 vmessObject = rulesFilter({
     'server': {
         'type': str,
-        'format': toStrTidy,
+        'format': lambda s: hostFormat(toStrTidy(s)),
         'filter': isHost,
         'errMsg': 'Invalid server address'
     },
diff --git a/Utils/Common/Format.py b/Utils/Common/Format.py
index 9c888a3..53eb800 100644
--- a/Utils/Common/Format.py
+++ b/Utils/Common/Format.py
@@ -11,6 +11,7 @@ def v6AddBracket(host: str) -> str:  # add bracket for ipv6
 
 
 def hostFormat(host: str, v6Bracket: bool = False) -> str:
+    host = host.strip().lower()
     try:
         if host[:1] == '[' and host[-1:] == ']':  # [IPv6] format
             host = host[1:-1]  # remove extra bracket
diff --git a/test.py b/test.py
index 261dc30..76ab81d 100755
--- a/test.py
+++ b/test.py
@@ -8,7 +8,9 @@ import Decoder
 from pprint import pprint
 from Filter import Filter
 
-ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@8.210.148.24:34326#ok%2Bfuck')
+# ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@8.210.148.24:34326#ok%2Bfuck')
+# ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@fc00::1:34326#ok%2Bfuck')
+# ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@[fc00::1]:34326#ok%2Bfuck')
 # ret = Decoder.ssCommon('ss://YmYtY2ZiOnRlc3QvIUAjOkAxOTIuMTY4LjEwMC4xOjg4ODg#example-server')
 # ret = Decoder.sip002('ss://YWVzLTEyOC1nY206dGVzdA@192.168.100.1:8888#Example1')
 # ret = Decoder.sip002('ss://2022-blake3-aes-256-gcm:YctPZ6U7xPPcU%2Bgp3u%2B0tx%2FtRizJN9K8y%2BuKlW2qjlI%3D@192.168.100.1:8888/?plugin=v2ray-plugin%3Bserver#Example3')
@@ -17,7 +19,7 @@ ret = Decoder.ssPlain('ss://aes-128-ctr:pa@ss#word@8.210.148.24:34326#ok%2Bfuck'
 # ret = Decoder.ssr('ssr://ZmU4MDo6MTo2MDA0OmF1dGhfYWVzMTI4X21kNTphZXMtMjU2LWNmYjp0bHMxLjJfdGlja2V0X2F1dGg6Y0dGemMzZGsvP3Byb3RvcGFyYW09')
 # ret = Decoder.ssr('ssr://ZmU4MDo6MTo2MDA0OmF1dGhfYWVzMTI4X21kNTphZXMtMjU2LWNmYjp0bHMxLjJfdGlja2V0X2F1dGg6Y0dGemMzZGs')
 
-# ret = Decoder.v2rayN('vmess://eyJhZGQiOiJmbnlkdXpheW92dnNxaTMyZ2kucTc1NDMudG9wIiwicHMiOiJ2MXzpppnmuK8wM3zljp_nlJ984piF4piF4piFICgyKSIsInNjeSI6ImF1dG8iLCJ0eXBlIjoiaHR0cCIsInNuaSI6IiIsInBhdGgiOiIvIiwicG9ydCI6MzgzMzcsInYiOjIsImhvc3QiOiJ4aGY0eHE3ZDVjYjRnc3kzeW1teWR3b2kuc2luYS5jbiIsInRscyI6IiIsImlkIjoiOTAxY2UyNTUtOTM2OS1kMWUyLTk1ODQtZGE1YTdqZjA1NDdrIiwibmV0IjoidGNwIiwiYWlkIjowfQ')
+ret = Decoder.v2rayN('vmess://eyJhZGQiOiJmbnlkdXpheW92dnNxaTMyZ2kucTc1NDMudG9wIiwicHMiOiJ2MXzpppnmuK8wM3zljp_nlJ984piF4piF4piFICgyKSIsInNjeSI6ImF1dG8iLCJ0eXBlIjoiaHR0cCIsInNuaSI6IiIsInBhdGgiOiIvIiwicG9ydCI6MzgzMzcsInYiOjIsImhvc3QiOiJ4aGY0eHE3ZDVjYjRnc3kzeW1teWR3b2kuc2luYS5jbiIsInRscyI6IiIsImlkIjoiOTAxY2UyNTUtOTM2OS1kMWUyLTk1ODQtZGE1YTdqZjA1NDdrIiwibmV0IjoidGNwIiwiYWlkIjowfQ')
 
 # ret['info']['server'] = '[%s]' % ret['info']['server']