fix "simplify copy"
fix "simplify copy"

the second argument is a count

Change-Id: I1b6d7db8ba3ac83ef0be091c25e28ad93375d432

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