diff --git a/pages/purchase/detail.vue b/pages/purchase/detail.vue
index 4822cf0..3b053eb 100644
--- a/pages/purchase/detail.vue
+++ b/pages/purchase/detail.vue
@@ -70,7 +70,7 @@
 					<text>{{v.goodsName}}</text> <text>{{v.detailedType}}</text> <text>({{v.goodsSpecification}})</text>
 				</view>
 				<view class="info">
-					<text>{{v.detailedParentName}}</text> <text class="over">{{v.supplier}}</text> <text data-total="{[v.heft]}">{{v.packing}}</text>
+					<text>{{v.detailedParentName}}</text> <text class="over">{{v.supplier}}</text> <text :data-total="v.heft">{{v.packing}}</text>
 				</view>
 			</view>
 			<u-empty v-if="list.length==0" icon="http://cdn.uviewui.com/uview/empty/data.png"/>