diff --git a/languages/zh-CN-irc.lang.json b/languages/zh-CN-irc.lang.json
index e5f7843f..66be6583 100644
--- a/languages/zh-CN-irc.lang.json
+++ b/languages/zh-CN-irc.lang.json
@@ -1,12 +1,15 @@
 {
+  "    $b/msg %s HELP <command>$b": "",
   "$bWarning: unregistering this account will remove its stored privileges.$b": "",
   "$bWarning: unregistering this channel will remove all stored channel attributes.$b": "",
+  "$bWarning: you are about to transfer control of your channel to another user.$b": "",
   "%[1]d. User %[2]s requests vhost: %[3]s": "",
   "%[1]s [account: %[2]s] joined the channel": "",
   "%[1]s changed nick to %[2]s": "",
   "%[1]s kicked %[2]s (%[3]s)": "",
   "%[1]s left the channel (%[2]s)": "",
   "%[1]s quit (%[2]s)": "",
+  "%s <subcommand> [params]": "",
   "%s joined the channel": "",
   "*** $bEnd of %s HELP$b ***": "",
   "*** Could not find your username": "*** 找不到您的用户名",
@@ -24,9 +27,6 @@
   "Account created": "账户已创建完成",
   "Account created, pending verification; verification code has been sent to %s": "",
   "Account does not exist": "不存在该账户",
-  "Account name is not valid": "账户名无效",
-  "Account registration is disabled": "帐户注册已被禁用",
-  "Account verification successful": "",
   "Account: %s": "账户：%s",
   "Actual user@host, Actual IP": "实际 user@host, 实际 ip",
   "Added D-Line for %s": "将%s添加到D-Line",
@@ -44,7 +44,9 @@
   "Bouncer functionality is currently enabled for your account, but you can opt out": "",
   "CTCP messages are disabled over Tor": "",
   "Can't change modes for other users": "无法修改其他用户的状态",
+  "Can't purge invalid channel %s": "",
   "Can't view modes for other users": "无法查看其他用户的状态",
+  "Cancelled pending transfer of channel %s": "",
   "Cannot join channel (+%s)": "未能加入频道（+%s）",
   "Cannot rename channel": "",
   "Cannot resume connection": "",
@@ -53,10 +55,18 @@
   "Cannot resume connection, old and new clients must have TLS": "不过恢复连接，恢复前后必须为有TLS证书",
   "Cannot resume connection, token is not valid": "",
   "Cannot send to channel": "未能发送到频道",
-  "Cannot send verification code there": "",
+  "Certificate fingerprint not found": "",
+  "Certificate fingerprint successfully added": "",
+  "Certificate fingerprint successfully removed": "",
   "Channel %[1]s has %[2]d persistent modes set": "",
+  "Channel %[1]s list already contains %[2]s": "",
+  "Channel %[1]s list does not contain %[2]s": "",
+  "Channel %s is not registered": "",
   "Channel %s is now unregistered": "",
+  "Channel %s is registered": "",
   "Channel %s successfully registered": "频道%s成功注册",
+  "Channel %s was purged by the server operators and cannot be used": "",
+  "Channel %s wasn't previously purged from the server": "",
   "Channel does not exist": "频道不存在",
   "Channel doesn't have roleplaying mode available": "频道未启用角色扮演模式",
   "Channel is not registered": "",
@@ -65,10 +75,13 @@
   "Channel renamed": "",
   "Channel renamed: %s": "频道重命名：%s",
   "Client reconnected": "用户已重新连接",
-  "Client reconnected (up to %d seconds of history lost)": "",
+  "Client reconnected (message history may have been lost)": "",
+  "Client reconnected (up to %d seconds of message history lost)": "",
+  "Command not allowed during a multiline batch": "",
   "Command restricted": "命令受限",
   "Contributors and Former Developers:": "贡献者和前开发人员:",
   "Core Developers:": "核心开发者：",
+  "Could not accept ownership of channel %s": "",
   "Could not find given client": "找不到指定用户",
   "Could not login with your TLS certificate or supplied username/password": "无法使用您的 TLS 证书或提供的用户名/密码登录",
   "Could not parse IP address or CIDR network": "未能识别IP地址或CIDR网络",
@@ -77,9 +90,11 @@
   "Could not set or change nickname: %s": "未能设置或改变用户名：%s",
   "Could not successfully save new D-LINE: %s": "未能成功保存新的D-LINE：%s",
   "Could not successfully save new K-LINE: %s": "未能成功保存新的K-LINE：%s",
+  "Could not transfer channel": "",
   "Could not ungroup nick": "未能解绑昵称",
   "Created at:  %s": "",
-  "Credential type is not supported": "认证类型不受支持",
+  "Current global users %[1]s, max %[2]s": "",
+  "Current local users %[1]s, max %[2]s": "",
   "End of /HELPOP": "/HELPOP已无后续",
   "End of /INFO": "/INFO已无后续",
   "End of /WHOIS list": "/WHOIS列表已无后续",
@@ -95,22 +110,31 @@
   "Error while unregistering account": "账户注销时出错",
   "Fake source must be a valid nickname": "伪装的来源必须是有效的昵称",
   "First param must be a mask or channel": "第一个参数必须为标识或者频道",
+  "For more details, try /%s HELP": "",
+  "Founder: %s": "",
   "GHOSTed by %s": "您被%s请出了",
   "Given current server settings, your nickname is enforced with: %s": "",
   "HELPOP <argument>\n\nGet an explanation of <argument>, or \"index\" for a list of help topics.": "",
   "Help not found": "找不到帮助",
+  "Here are the commands you can use:": "",
   "Hostname:    %s": "",
   "I have %[1]d clients and %[2]d servers": "我有%[1]d用户和%[2]d服务器",
   "I'll be right back": "",
   "IP address:  %s": "",
   "IRC Operators online": "",
+  "Incorrect batch tag sent": "",
   "Input line too long": "",
   "Insufficient oper privs": "没有足够的管理员权限",
   "Insufficient privileges": "",
   "Internal error": "",
   "Invalid CAP subcommand": "无效CAP子命令",
   "Invalid account name": "",
+  "Invalid certificate fingerprint": "",
+  "Invalid channel name": "",
+  "Invalid mode %[1]s parameter: %[2]s": "",
   "Invalid mode change": "",
+  "Invalid multiline batch": "",
+  "Invalid parameters": "",
   "Invalid parameters. For usage, do /msg %[1]s HELP %[2]s": "",
   "Invalid vhost": "",
   "It was rejected for reason: %s": "",
@@ -121,7 +145,6 @@
   "MOTD File is missing": "MOTD文件丢失",
   "Malformed username": "用户名错误",
   "Mask isn't valid": "标识无效",
-  "Must register with current nickname instead of separate account name": "",
   "Network service, for more info /msg %s HELP": "",
   "Nickname %[1]s has %[2]d attached session(s)": "",
   "Nickname is already in use": "该昵称已被使用",
@@ -129,13 +152,13 @@
   "No DLINEs have been set!": "DLINEs 尚未设置",
   "No changes were made": "",
   "No command given": "没有指定指令",
-  "No masks given": "没有设置标识选项",
   "No nickname given": "没有指定昵称",
   "No such account": "",
   "No such channel": "没有该频道",
   "No such module [%s]": "",
   "No such nick": "没有该昵称",
   "No such setting": "",
+  "No text to send": "",
   "No topic is set": "话题未设置",
   "Not enough parameters": "没有足够的参数",
   "Only channel founders can change registered channels": "只有频道创建者才可以更改已注册频道",
@@ -150,6 +173,9 @@
   "Permission Denied - You're not an IRC operator": "您没有该权限 - 您并非IRC管理员",
   "Please wait at least %v and try again": "",
   "Proxied IP address is not valid: [%s]": "代理IP地址不可用： [%s]",
+  "Purge reason: %s": "",
+  "Purged at: %s": "",
+  "Purged by operator: %s": "",
   "Received malformed line": "接收到的格式不正确的行",
   "Registered at: %s": "您欲注册的账户或聊天室已存在于：%s",
   "Registered channel: %s": "",
@@ -159,6 +185,7 @@
   "Removed D-Line for %s": "将%s移出 D-Line",
   "Removed K-Line for %s": "将%s移出 K-Line",
   "Requesting the %s client capability is forbidden": "",
+  "Resume may have lost some message history": "",
   "Resume may have lost up to %d seconds of history": "",
   "SASL authentication aborted": "SASL认证中断",
   "SASL authentication failed": "SASL认证失败",
@@ -172,6 +199,7 @@
   "Session %d (currently attached session):": "",
   "Session %d:": "",
   "Some additional message history may have been lost": "",
+  "Successfully accepted ownership of channel %s": "",
   "Successfully approved vhost request for %s": "",
   "Successfully changed your account settings": "",
   "Successfully cleared vhost": "",
@@ -179,16 +207,23 @@
   "Successfully enabled your vhost": "",
   "Successfully grouped nick %s with your account": "成功绑定昵称%s到您的用户",
   "Successfully op'd in channel %s": "成功操作频道%s",
+  "Successfully purged channel %s from the server": "",
   "Successfully registered account %s": "",
   "Successfully rejected vhost request for %s": "",
+  "Successfully reset channel access": "",
   "Successfully set mode %s": "",
   "Successfully set vhost": "",
+  "Successfully transferred channel %[1]s to account %[2]s": "",
   "Successfully ungrouped nick %s with your account": "成功从你的账户解绑昵称%s",
+  "Successfully unpurged channel %s from the server": "",
   "Successfully unregistered account %s": "成功删除账户%s",
   "Thanks to Jeremy Latt for founding Ergonomadic, the project this is based on": "感谢 Jeremy Latt 建立了作为该项目根基的项目Ergonomadic。",
+  "That certificate fingerprint is already associated with another account": "",
+  "That certificate fingerprint was already authorized": "",
   "That channel is not registered": "",
   "That nickname is already reserved by someone else": "该昵称已被其他人占用",
   "That nickname is not registered": "该昵称尚未注册",
+  "There are %[1]d certificate fingerprint(s) authorized for account %[2]s.": "",
   "There are %[1]d pending requests for vhosts (%[2]d displayed)": "",
   "There are %[1]d users and %[2]d invisible on %[3]d server(s)": "共有 %[1]d 在线用户和 %[2]d 隐身用户于 %[3]d 服务器",
   "There was no such nickname": "无该用户名",
@@ -204,8 +239,12 @@
   "To change a password, use the PASSWD command. For details, /msg NickServ HELP PASSWD": "",
   "To confirm account unregistration, type: /NS UNREGISTER %[1]s %[2]s": "",
   "To confirm channel unregistration, type: /CS UNREGISTER %[1]s %[2]s": "",
-  "To verify your account, issue one of these commands:": "请使用下列指令之一验证您的账户：",
+  "To confirm your channel transfer, type: /CS TRANSFER %[1]s %[2]s %[3]s": "",
+  "To see in-depth help for a specific command, try:": "",
+  "To verify your account, issue the following command:": "",
+  "Transfer of channel %[1]s to account %[2]s succeeded, pending acceptance": "",
   "Translators:": "译者：",
+  "Try again later": "",
   "Unknown command": "不存在该命令",
   "Unknown command. To see available commands, run: /%s HELP": "",
   "Unknown subcommand": "未知子命令",
@@ -214,18 +253,22 @@
   "Verify your account on %s": "在%s验证您的用户",
   "WEBIRC command is not usable from your address or incorrect password given": "您的当前地址不可用WEBIRC指令或密码错误",
   "Welcome to the Internet Relay Network %s": "欢迎来到IRC%s",
+  "You already have too many certificate fingerprints": "",
   "You are banned from this server (%s)": "您已被该服务器禁封（%s）",
   "You are no longer authorized to be on this server": "",
   "You are no longer marked as being away": "您不再被标记为离开",
   "You are now an IRC operator": "您现在已是IRC管理员",
   "You are now logged in as %s": "您已作为%s登录",
   "You can't GHOST yourself (try /QUIT instead)": "您不能对自己使用GHOST指令（尝试使用 /QUIT 替代）",
+  "You can't delete your password unless you add a certificate fingerprint": "",
+  "You can't remove all your certificate fingerprints unless you add a password": "",
   "You can't ungroup your primary nickname (try unregistering your account instead)": "您不能解绑您的基础用户名（请尝试删除您的账户作为替代）",
   "You don't have enough channel privileges": "",
   "You don't own that nick": "您不能拥有该昵称",
   "You have already registered the maximum number of channels; try dropping some with /CS UNREGISTER": "",
   "You have been banned from this server (%s)": "您已被该服务器禁封（%s）",
   "You have been marked as being away": "您已标记为离开",
+  "You have been offered ownership of channel %[1]s. To accept, /CS TRANSFER ACCEPT %[1]s": "",
   "You have joined too many channels": "",
   "You have sent too many registration messages": "",
   "You have too many nicks reserved already (you can remove some with /NS DROP)": "您已经占用了太多昵称（您可以使用 /NS DROP先移除一些昵称）",
@@ -233,16 +276,17 @@
   "You must be an oper on the channel to register it": "您必须是频道管理员才可注册它",
   "You must be connected with TLS and a client certificate to do this": "",
   "You must be registered to join that channel": "",
-  "You must connect with a TLS client certificate to use certfp": "",
   "You must log in with SASL to join this server": "",
   "You must specify an account": "",
   "You must wait an additional %v before making another request": "",
   "You need to register before you can use that command": "您需要在使用该指令前注册",
   "You specified too many languages": "您指定的语言过多",
-  "You will not see JOINs and PARTs in autoreplayed history lines": "",
+  "You weren't offered ownership of channel %s": "",
+  "You will not see JOINs and PARTs in /HISTORY output or in autoreplay": "",
   "You will receive %d lines of autoreplayed history": "",
   "You will receive the server default of %d lines of autoreplayed history": "",
-  "You will see JOINs and PARTs in autoreplayed history lines": "",
+  "You will see JOINs and PARTs in /HISTORY output and in autoreplay": "",
+  "You will see JOINs and PARTs in /HISTORY output, but not in autoreplay": "",
   "You're already logged into an account": "您已登录",
   "You're already opered-up!": "您已是管理员！",
   "You're not a channel operator": "您不是频道管理员",
@@ -262,5 +306,6 @@
   "is an unknown mode character to me": "于我是一个未知的身份状态字符",
   "is logged in as": "登录为",
   "is using a secure connection": "正在使用安全连接",
-  "seconds idle, signon time": "秒空闲, 登录时间"
+  "seconds idle, signon time": "秒空闲, 登录时间",
+  "unregistered connections": ""
 }