=============跟单区（id，item, link, qty, contact)===============
跟单~~
id yousay
item GNC Glucosamine 1000
link http://www.gnc.com/product/index.jsp?productId=2133458
qty 3
contact 83999971
item GNC Vitamin C 1000
link http://www.gnc.com/product/index.jsp?productId=3896143
qty 1
item GNC Preventive Nutrition® CoQ-10 200mg
link http://www.gnc.com/product/index.jsp?productId=33160283896143
qty 1
item GNC Glucosamine 1000
link http://www.gnc.com/product/index.jsp?productId=2133458
qty 3
contact 83999971
item GNC Vitamin C 1000
link http://www.gnc.com/product/index.jsp?productId=3896143
qty 1
item GNC Preventive Nutrition® CoQ-10 200mg
link http://www.gnc.com/product/index.jsp?productId=33160283896143
qty 1
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