style: 统一图片组件属性格式

components-diy/diy-float-btn.vue

@@ -6,7 +6,7 @@
 			<view class="button-box" @tap.stop="$util.diyRedirectTo(item.link)"
 				:style="{ width: value.imageSize + 'px', height: value.imageSize + 'px', fontSize: value.imageSize + 'px' }">
 				<image v-if="!item.iconType || item.iconType == 'img'" :src="$util.img(item.imageUrl)" mode="aspectFit"
-					:show-menu-by-longpress="true" />
+					show-menu-by-longpress />
 				<diy-icon v-else-if="item.iconType && item.iconType == 'icon'" :icon="item.icon"
 					:value="item.style ? item.style : null"></diy-icon>
 			</view>