update style

miniprogram/pages/main/journal/index.wxml

@@ -41,7 +41,7 @@
 			<view wx:for="{{journal.columnedItems}}" wx:for-item="column" wx:for-index="columnIndex" wx:key="columnIndex" class="column">
 				<block wx:for="{{column}}" wx:for-item="item" wx:for-index="itemIndex" wx:key="attachmentId">
 					<image
-						class="item thumbnail {{item.type === 0 ? 'image' : 'video'}}"
+						class="item thumbnail {{item.type}}"
 						src="{{item.thumbURL}}"
 						mode="widthFix"
 						bindtap="preview"