diff --git a/canteen/pages/purchase/receipt.vue b/canteen/pages/purchase/receipt.vue
index 23ca3e7..381d61f 100644
--- a/canteen/pages/purchase/receipt.vue
+++ b/canteen/pages/purchase/receipt.vue
@@ -8,7 +8,10 @@
 			</view>
 			<view class="lf-row-between lf-m-t-30">
 				<view>订购数</view>
-				<view class="lf-color-black" v-if="item.material && item.purchase_number">{{ item.purchase_number }} <text class="lf-m-l-10">{{item.material.unit.unit_name}}</text></view>
+				<view class="lf-flex">
+					<input class="input" placeholder="0" type="number" :disabled="true" v-if="item.material && item.purchase_number" v-model="item.purchase_number"/>
+					<text class="lf-color-black" v-if="item.material && item.material.unit">{{item.material.unit.unit_name}}</text>
+				</view>
 			</view>
 			<view class="lf-row-between lf-m-t-30">
 				<view>实到数</view>
@@ -325,7 +328,7 @@
 		padding: 30rpx;
 		color: #777777;
 		.input{
-			width: 88rpx;
+			width: 112rpx;
 			border-bottom: 1rpx solid #e5e5e5;
 			margin-right: 14rpx;
 			text-align: center;