Can't or hard to break stone bricks and more (No using command block repeat)

Sorry i am using mcpe master. My block can't be destroy in the stonebrick, but not using sword. It is be hard to break. I am not using command block. The mcpe master can't using antigriefing. But only from bridge or sometimes the bug. Because using Blocktograph. I am not playing in servers. But must repeat break and wait 1 second to break.