Fix the input http body parsing in tag create action.
Fix the input http body parsing in tag create action.

agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart,agreatfool/Cart