CID#983198 fully fix potential memory leak
CID#983198 fully fix potential memory leak

Change-Id: Ib387addbf86128170bbfd08ccce216be5a32fcae

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