diff --git a/src/components/device/slectDeviceList.vue b/src/components/device/slectDeviceList.vue
index d697d0d..e602a88 100644
--- a/src/components/device/slectDeviceList.vue
+++ b/src/components/device/slectDeviceList.vue
@@ -185,6 +185,8 @@
 		}
 	}
 	.list {
+		overflow-y: auto; /* 启用垂直滚动条 */
+		max-height: 500px; /* 设置最大高度 */
 		.device {
 			display: flex;
 			margin-bottom: 20rpx;
diff --git a/src/components/item/slectItemList.vue b/src/components/item/slectItemList.vue
index 7a2d9bb..3b1e773 100644
--- a/src/components/item/slectItemList.vue
+++ b/src/components/item/slectItemList.vue
@@ -240,6 +240,8 @@ function chooseItem(item) {
 }
 
 .list {
+	overflow-y: auto; /* 启用垂直滚动条 */
+	max-height: 500px; /* 设置最大高度 */
 	.item {
 		display: flex;
 		margin-bottom: 20rpx;
diff --git a/src/pages/upkeepOrder/addServiceRecord.vue b/src/pages/upkeepOrder/addServiceRecord.vue
index 39fe281..08e0e0f 100644
--- a/src/pages/upkeepOrder/addServiceRecord.vue
+++ b/src/pages/upkeepOrder/addServiceRecord.vue
@@ -99,7 +99,7 @@
 			<view class="popup">
 				<u-form :model="form1" ref="form1Ref" label-width="160rpx">
 					<u-form-item :label="`备件`" prop="number" required>
-						<view class="select" @click="openSingleColumn('number',form1.number,sparePartsList,'form1')">
+						<view class="select" @click="openSingleColumnItem('number',form1.number,sparePartsList,'form1')">
 							<view class="input" v-if='form1.number'>
 								{{form1.name}}
 							</view>
@@ -371,9 +371,23 @@ const form = ref({
 		} else {
 			singleColumnDefaultValue.value = []
 		}
-		//singleColumnShow.value = true
+		singleColumnShow.value = true
+	}
+	
+	// 单列模式
+	function openSingleColumnItem(fieldName, val, list, from) {
+		if (fieldName == 'deviceNumber' && form.value.id) return;
+		whichForm.value = from
+		singleColumnList.value = list
+		field.value = fieldName
+		if (val) {
+			singleColumnDefaultValue.value = [list.findIndex(item => item.value == val)]
+		} else {
+			singleColumnDefaultValue.value = []
+		}
 		isShowSelectItem.value = true;
 	}
+	
 	// 单列模式点击确定之后
 	function chooseSingleColumn(e) {
 		if(whichForm.value == 'form'){