Optimize details.

lang/zh-CN.json

@@ -91,7 +91,7 @@
   "metrics.filter.raw": "原始",
   "metrics.operating-systems": "操作系统",
   "metrics.page-views": "页面浏览量",
-  "metrics.pages": "网页",
+  "metrics.pages": "网页/地区",
   "metrics.referrers": "来源域名",
   "metrics.unique-visitors": "独立访客",
   "metrics.views": "浏览量",