Update realtime chart.

lang/zh-CN.json

@@ -18,6 +18,7 @@
   "button.view-details": "查看更多",
   "label.accounts": "账户",
   "label.administrator": "管理员",
+  "label.all-websites": "All websites",
   "label.confirm-password": "确认密码",
   "label.current-password": "目前密码",
   "label.custom-range": "自定义时间段",
@@ -36,6 +37,7 @@
   "label.password": "密码",
   "label.passwords-dont-match": "密码不一致",
   "label.profile": "个人资料",
+  "label.realtime": "Realtime",
   "label.required": "必填",
   "label.settings": "设置",
   "label.this-month": "本月",