avoid multiple recursive opening the same url, cleaning
avoid multiple recursive opening the same url, cleaning

Change-Id: I8a3ae75a64ffcc4879af3e3591b3b433cee1678d

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core