vuejs2 - vue-router how to use params in v-for when is change -

i click 1, root , component in v-for show 1. when click 2, root show 2 component show 1 yet.
how change value in v-for when click another. such as

click/1 -> doora_1 click/2 -> doora_2 

thanks. here link: jsfiddle

remove v-once of my-table

<div :class = "[tableindex % 2 == 0 ? \'doora\' : \'doorb\']" v-once> 

should be

<div :class = "[tableindex % 2 == 0 ? \'doora\' : \'doorb\']">