fix: 首页图片居中显示，取消长按下载

public/index.html

@@ -24,6 +24,7 @@
             display: flex;
             flex-wrap: wrap;
             gap: 30px;
+            justify-content: center;
         }
 
         .image-item {
@@ -89,17 +90,6 @@
                 var imgEl = document.createElement('img');
                 imgEl.src = '/uploads/' + img.filename;
                 imgEl.loading = 'lazy';
-                var pressTimer;
-                imgEl.addEventListener('touchstart', function() {
-                    pressTimer = setTimeout(function() {
-                        var a = document.createElement('a');
-                        a.href = '/uploads/' + img.filename;
-                        a.download = img.original_name || 'image.jpg';
-                        a.click();
-                    }, 1000);
-                });
-                imgEl.addEventListener('touchend', function() { clearTimeout(pressTimer); });
-                imgEl.addEventListener('touchmove', function() { clearTimeout(pressTimer); });
                 div.appendChild(imgEl);
                 grid.appendChild(div);
             });