diff --git a/src/lang/zh_CN.lang.php b/src/lang/zh_CN.lang.php
index 864b3b01..f82ada0d 100644
--- a/src/lang/zh_CN.lang.php
+++ b/src/lang/zh_CN.lang.php
@@ -40,8 +40,8 @@ $sm_lang = array(
 		'date' => '日期',
 		'message' => '消息',
 		'yes' => '是',
-		'no' => '否o',
-		'insert' => '插入',
+		'no' => '否',
+		'insert' => '新增',
 		'add_new' => '添加',
 		'update_available' => '发现新版本({version}) <a href="http://www.phpservermonitor.org" target="_blank">http://www.phpservermonitor.org</a>.',
 		'back_to_top' => '返回顶部',
@@ -84,13 +84,13 @@ $sm_lang = array(
 		'mobile' => '手机',
 		'email' => '邮件',
 		'pushover' => 'Pushover',
-		'pushover_description' => 'Pushover is a service that makes it easy to get real-time notifications. See <a href="https://pushover.net/">their website</a> for more info.',
+		'pushover_description' => 'Pushover 是第三方用于实时通知的服务(收费). 详情见 <a href="https://pushover.net/" target="_blank">Pushover 官网</a>.',
 		'pushover_key' => 'Pushover Key',
 		'pushover_device' => 'Pushover Device',
-		'pushover_device_description' => 'Device name to send the message to. Leave empty to send it to all devices.',
-		'delete_title' => 'Delete User',
-		'delete_message' => 'Are you sure you want to delete user \'%1\'?',
-		'deleted' => 'User deleted.',
+		'pushover_device_description' => '要发送信息的设备名. 留空则发送到所有设备.',
+		'delete_title' => '删除用户',
+		'delete_message' => '确认删除用户 \'%1\'?',
+		'deleted' => '用户已删除.',
 		'updated' => '用户已更新.',
 		'inserted' => '用户已添加.',
 		'profile' => '个人资料',
@@ -112,16 +112,26 @@ $sm_lang = array(
 		'email' => '邮件',
 		'sms' => '短信',
 		'pushover' => 'Pushover',
-		'no_logs' => 'No logs',
+		'no_logs' => '没有日志',
 	),
 	'servers' => array(
 		'server' => '服务器',
 		'status' => '状态',
 		'label' => '标签',
 		'domain' => '域名/IP',
-		'timeout' => 'Timeout',
-		'timeout_description' => 'Number of seconds to wait for the server to respond.',
+		'timeout' => '超时时间',
+		'timeout_description' => '等待服务器响应的时间.',
+		'authentication_settings' => '访问权限设置 (可选)',
+		'website_username' => '用户名',
+		'website_username_description' => '网站分配的用户名.',
+		'website_password' => '密码',
+		'website_password_description' => '网站分配的密码，密码将会加密存放',
+		'fieldset_monitoring' => '通知',
+		'fieldset_permissions' => '权限',
 		'port' => '端口',
+		'custom_port' => '指定端口',
+		'popular_ports' => '默认端口',
+		'please_select' => '请选择',
 		'type' => '类型',
 		'type_website' => '网站',
 		'type_service' => '服务',
@@ -130,16 +140,16 @@ $sm_lang = array(
 		'last_check' => '最后检查',
 		'last_online' => '最后在线',
 		'monitoring' => '监控中',
-		'no_monitoring' => 'No monitoring',
+		'no_monitoring' => '未监控',
 		'email' => '邮件',
 		'send_email' => '发送邮件',
 		'sms' => '短信',
 		'send_sms' => '发送短信',
 		'pushover' => 'Pushover',
-		'users' => 'Users',
-		'delete_title' => 'Delete Server',
-		'delete_message' => 'Are you sure you want to delete server \'%1\'?',
-		'deleted' => 'Server deleted.',
+		'users' => '用户',
+		'delete_title' => '删除服务器',
+		'delete_message' => '确认删除服务器 \'%1\'?',
+		'deleted' => '服务器已删除.',
 		'updated' => '服务器已更新.',
 		'inserted' => '服务器已添加.',
 		'latency' => '延迟',
@@ -161,16 +171,16 @@ $sm_lang = array(
 		'chart_long_date_format' => '%Y-%m-%d %H:%M:%S',
 		'chart_short_date_format' => '%m/%d %H:%M',
 		'chart_short_time_format' => '%H:%M',
-		'warning_notifications_disabled_sms' => 'SMS notifications are disabled.',
-		'warning_notifications_disabled_email' => 'Email notifications are disabled.',
-		'warning_notifications_disabled_pushover' => 'Pushover notifications are disabled.',
-		'error_server_no_match' => 'Server not found.',
-		'error_server_label_bad_length' => 'The label must be between 1 and 255 characters.',
-		'error_server_ip_bad_length' => 'The domain / IP must be between 1 and 255 characters.',
-		'error_server_ip_bad_service' => 'The IP address is not valid.',
-		'error_server_ip_bad_website' => 'The website URL is not valid.',
-		'error_server_type_invalid' => 'The selected server type is invalid.',
-		'error_server_warning_threshold_invalid' => 'The warning threshold must be a valid integer greater than 0.',
+		'warning_notifications_disabled_sms' => 'SMS 通知不可用.',
+		'warning_notifications_disabled_email' => 'Email 通知不可用.',
+		'warning_notifications_disabled_pushover' => 'Pushover 通知不可用.',
+		'error_server_no_match' => '服务器不存在.',
+		'error_server_label_bad_length' => '标签 长度要求 1 ~ 255 字符.',
+		'error_server_ip_bad_length' => 'domain / IP 长度要求 1 ~ 255 字符.',
+		'error_server_ip_bad_service' => '非法 IP.',
+		'error_server_ip_bad_website' => '非法 URL.',
+		'error_server_type_invalid' => '非法选项.',
+		'error_server_warning_threshold_invalid' => '报警阈值为大于 0 的数字.',
 	),
 	'config' => array(
 		'general' => '通用',
@@ -182,8 +192,8 @@ $sm_lang = array(
 		'email_smtp' => '使用SMTP发送',
 		'email_smtp_host' => 'SMTP主机',
 		'email_smtp_port' => 'SMTP端口',
-		'email_smtp_security' => 'SMTP security',
-		'email_smtp_security_none' => 'None',
+		'email_smtp_security' => 'SMTP 设置',
+		'email_smtp_security_none' => '空',
 		'email_smtp_username' => 'SMTP用户名',
 		'email_smtp_password' => 'SMTP密码',
 		'email_smtp_noauth' => '留空为无验证',
@@ -194,7 +204,7 @@ $sm_lang = array(
 		'sms_gateway_spryng' => 'Spryng',
 		'sms_gateway_inetworx' => 'Inetworx',
 		'sms_gateway_clickatell' => 'Clickatell',
-        	'sms_gateway_textmarketer' => 'Textmarketer',
+		'sms_gateway_textmarketer' => 'Textmarketer',
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_octopush' => 'Octopush',
 		'sms_gateway_smsit' => 'Smsit',
@@ -203,11 +213,11 @@ $sm_lang = array(
 		'sms_gateway_username' => 'SMS网关用户名',
 		'sms_gateway_password' => 'SMS网关密码',
 		'sms_from' => '发信人电话号',
-		'pushover_status' => 'Allow sending Pushover messages',
-		'pushover_description' => 'Pushover is a service that makes it easy to get real-time notifications. See <a href="https://pushover.net/">their website</a> for more info.',
-		'pushover_clone_app' => 'Click here to create your Pushover app',
-		'pushover_api_token' => 'Pushover App API Token',
-		'pushover_api_token_description' => 'Before you can use Pushover, you need to <a href="%1$s" target="_blank">register an App</a> at their website and enter the App API Token here.',
+		'pushover_status' => '允许 Pushover 通知',
+		'pushover_description' => 'Pushover 是第三方用于实时通知的服务(收费). 详情见 <a href="https://pushover.net/" target="_blank">Pushover 官网</a>.',
+		'pushover_clone_app' => '点此创建 Pushover App',
+		'pushover_api_token' => 'Pushover API Token',
+		'pushover_api_token_description' => '请先 <a href="%1$s" target="_blank">注册Pushover</a> 并获取 Api Token.',
 		'alert_type' => '如果想要收到提醒请选中此项.',
         'alert_type_description' => '<b>状态变化:</b> '.
 		    '服务器 online -> offline 或 offline -> online 的状态变化将会收到提醒.<br/>'.
@@ -224,17 +234,18 @@ $sm_lang = array(
 		'log_status_description' => '如果状态记录设置为开, 提醒发送时均会保存记录.',
 		'log_email' => '记录脚本所发邮件?',
 		'log_sms' => '记录脚本所发短信SMS?',
-		'log_pushover' => 'Log pushover messages sent by the script',
+		'log_pushover' => '记录脚本所发pushover消息?',
 		'updated' => '设置已更新.',
 		'tab_email' => '邮件发送设置',
 		'tab_sms' => '短信发送设置',
 		'tab_pushover' => 'Pushover',
 		'settings_email' => '邮件发送设置',
 		'settings_sms' => '短信发送设置',
-		'settings_pushover' => 'Pushover settings',
+		'settings_pushover' => 'Pushover 设置',
 		'settings_notification' => '提醒设置',
 		'settings_log' => '日志设置',
-		'auto_refresh' => 'Auto-refresh',
+		'auto_refresh' => '自动刷新',
+		'password_encrypt_key' => '加密密钥',
 		'auto_refresh_servers' =>
 			'自动刷新服务器页.<br/>'.
 			'<span class="small">'.
@@ -242,24 +253,24 @@ $sm_lang = array(
 			'</span>',
 		'seconds' => 'seconds',
 		'test' => 'Test',
-		'test_email' => 'An email will be sent to the address specified in your user profile.',
-		'test_sms' => 'An SMS will be sent to the phone number specified in your user profile.',
-		'test_pushover' => 'A Pushover notification will be sent to the user key/device specified in your user profile.',
-		'send' => 'Send',
-		'test_subject' => 'Test',
-		'test_message' => 'Test message',
-		'email_sent' => 'Email sent',
-		'email_error' => 'Error in email sending',
-		'sms_sent' => 'Sms sent',
-		'sms_error' => 'Error in sms sending',
-		'sms_error_nomobile' => 'Unable to send test SMS: no valid phone number found in your profile.',
-		'pushover_sent' => 'Pushover notification sent',
-		'pushover_error' => 'An error has occurred while sending the Pushover notification: %s',
-		'pushover_error_noapp' => 'Unable to send test notification: no Pushover App API token found in the global configuration.',
-		'pushover_error_nokey' => 'Unable to send test notification: no Pushover key found in your profile.',
-		'log_retention_period' => 'Log retention period',
-		'log_retention_period_description' => 'Number of days to keep logs of notifications and archives of server uptime. Enter 0 to disable log cleanup.',
-		'log_retention_days' => 'days',
+		'test_email' => '将发送一封邮件到您账户设置的邮件地址.',
+		'test_sms' => '将发送一封短信到您账户设置的手机号码.',
+		'test_pushover' => '将发送一条 Pushover 通知到您账户设置的 key/device 设备上.',
+		'send' => '发送',
+		'test_subject' => '测试',
+		'test_message' => '测试信息',
+		'email_sent' => '发送Email',
+		'email_error' => 'Error 发送出错',
+		'sms_sent' => '发送Sms',
+		'sms_error' => '短信发送出错',
+		'sms_error_nomobile' => '无法发送短信: 您的账号未设置有效手机号码.',
+		'pushover_sent' => '发送Pushover通知',
+		'pushover_error' => 'Pushover通知发送出错: %s',
+		'pushover_error_noapp' => 'Pushover通知发送出错: no Pushover App API token found in the global configuration.',
+		'pushover_error_nokey' => 'Pushover通知无法发送: no Pushover key found in your profile.',
+		'log_retention_period' => '日志保留时长',
+		'log_retention_period_description' => '日志存档保留时间，0为禁用日志清理',
+		'log_retention_days' => '天',
 	),
 	// for newlines in the email messages use <br/>
 	'notifications' => array(
@@ -298,7 +309,7 @@ $sm_lang = array(
 		'success_password_reset' => '密码重设成功.请登录.',
 	),
 	'error' => array(
-		'401_unauthorized' => 'Unauthorized',
-		'401_unauthorized_description' => 'You do not have the privileges to view this page.',
+		'401_unauthorized' => '未授权的请求',
+		'401_unauthorized_description' => '未授权的请求.',
 	),
 );