增加图片url字段

Signed-off-by: 徐晓辉 <xxh0755@gmail.com>
修改返回的json格式字符串，将图片url拼接入字符串中

Signed-off-by: 徐晓辉 <xxh0755@gmail.com>
修改页面，使之显示图片

Signed-off-by: 徐晓辉 <xxh0755@gmail.com>
Merge remote-tracking branch 'origin/master'