tab-item: update index when the selected was changed
tab-item: update index when the selected was changed

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