fix focus-event can be triggered only once bug
fix focus-event can be triggered only once bug

huixt/hxvux,greedying/vux,greedying/vux,airyland/vux,airyland/vux,greedying/vux,huixt/hxvux,szgxwj/vux,airyland/vux,huixt/hxvux,szgxwj/vux,szgxwj/vux