fullscreen in vim dont change $LINES and $COLUMN after quit vim

I use vim in xfce terminal, I always launch vim then fullscreen the window, this cause the height and width changed. but when I quit vim and type a long line in bash's readline, the line mess wraped. 

I get that SIGWINCH force bash to update it's $LINES and $COLUMN from bash's manual. SO i guess when I fullscreen in vim, vim traps the signal, and the bash doesn't know this.

HOW can i fix this? either in bash's way or in vim's way.

Thanks your in advance.

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