<div data-inven-random=" img1 , img2 , img3 , img4, img5 , img6 , img7 ">
<img data-inven-id="img1" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i15427168700.gif "/> 
 <img data-inven-id="img2" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i14691989215.png "/>  
<img data-inven-id="img3" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i13876837521.jpg "/>  
<img data-inven-id="img4" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i13995577057.png "/>  
<img data-inven-id="img5" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i14133496213.png "/>  
<img data-inven-id="img6" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i15259289376.png "/> 
<img data-inven-id="img7" style="width:435px; display:none;" src=" https://upload2.inven.co.kr/upload/2018/01/25/bbs/i15360365733.gif "/></div>

미리보기로 봤을땐 이미지가 정상적으로 나옵니다.
똑같이 했는데 인장이 404 에러 뜹니당 뭐가 잘못된건가용?