{if $row.message_type==1}
{foreach name="row.message_content_arr" item="vo"}
{/foreach}
{/if}
{if $row.message_type==2}
{foreach name="row.message_content_arr" item="vo"}
{if $key==0}
{/if}
{if $key!=0}
{/if}
{/foreach}
{/if}
{if $row.message_type==3}
{foreach name="row.message_content_arr" item="vo"}
{/foreach}
{/if}
{$vo.content}