vue路径上如何设置指定的前缀

export default new Router({
  mode: 'history', //后端支持可开
  # base: '/wtlicence',
  scrollBehavior: () => ({
    y: 0
  }),
  routes: constantRouterMap
});

export default new Router({
  mode: 'history', //后端支持可开
  base: '/wtlicence',
  scrollBehavior: () => ({
    y: 0
  }),
  routes: constantRouterMap
});

mode: 'history',
base: '/sss', // 路由前缀

server{
	listen      8888;
	server_name  localhost;
	root html
	location / { 
	    try_files $uri $uri/ @router; 
	    index index.html index.htm; 
	}
	location @router { 
		rewrite ^.*$ /index.html last; 
	}
}

location / {
try_files $uri KaTeX parse error: Expected 'EOF', Got '}' at position 51: …l index.htm; }̲ location @rou… /index.html last;
}