fix crash in vcldemo
fix crash in vcldemo

Change-Id: Id502a36ece4ecc4551ee67f1818fb9886d6e0ce5

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