XImg: Fix demo img url. close #235
XImg: Fix demo img url. close #235

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