This introdution will help to use trackcn Zimlet on the Zimbra System.
1.This Zimlet will transfer data with the server of track companies. So the zimbra server must be connected with external network.
2.If you extracted the zimlet zip file,please compress it as .zip file again. Make sure that the root dictionary of the extracted file contains these files as follows:
  com_zimbra_trackcn.properties
  com_zimbra_trackcn.xml
  com_zimbra_trackcn_zh_CN.properties
  com_zimbra_trackcn.js
  config_templete.xml
3.Visit admin console of the Zimbra System.Deploy this zimlet on it.
4.Visit client of the Zimbra System, make sure that the custom language of the client is Chinese Simplified.
5.If there are some track information about Chinese track package in the letter which is opened. These statements will be automatic underlined and turned blue.
6.Move cursor on the underlined statements, A poped-up window will appear and the last track status record is shown. Click the underlined statements, A new window of browser tab will be opened and all the track status records of package will be shown.
7.This zimlet can support "TianTian","ShenTong","ShunFeng" and "EMS".
8.Modify the com_zimbra_trackcn_zh_CN.properties file with the guideness of the comments to support more companies. 
