diff --git a/.env.development b/.env.development
index 22ef690e..74be489f 100644
--- a/.env.development
+++ b/.env.development
@@ -14,7 +14,7 @@ VITE_APP_BASE_API_Url = 'https://aitstest.jlbank.com.cn:7002'
 
 # app入口
 
-VITE_APP_BASE_API_Url = 'http://25.18.122.65:7001'
+#VITE_APP_BASE_API_Url = 'http://25.18.122.65:7001'
 # VITE_APP_BASE_API_Url = 'http://25.16.122.91:9786'
 # VITE_APP_BASE_API_Url = 'http://25.18.122.66:9786'
 
diff --git a/src/pages/courseRecord/components/practiceRecordItem.vue b/src/pages/courseRecord/components/practiceRecordItem.vue
index 94d44492..eb7ecc94 100644
--- a/src/pages/courseRecord/components/practiceRecordItem.vue
+++ b/src/pages/courseRecord/components/practiceRecordItem.vue
@@ -40,7 +40,7 @@
 					</view>
 					<view class="list_small_item">
 						<image src="@/static/images/courseRecord/duration.png" class="icon_img"></image>
-						<view class="prompt">练习时长：{{ formatDuration(item_list.exrStartTm, item_list.exrEndTm) }}</view>
+						<view class="prompt">练习时长：{{ item_list.item_list || '--' }}</view>
 					</view>
 				</view>
 				<view class="fl1"></view>
@@ -61,7 +61,7 @@
 	import { computed, ref, reactive } from 'vue';
 	import common from '@/common/common';
 	import { queryPracticeHis } from '@/api/courseRecord.js';
-	import { useItemList, formatDuration } from '../useItemList.js';
+	import { useItemList } from '../useItemList.js';
 
 	const props = defineProps({
 		item: {
diff --git a/src/pages/courseRecord/components/studyRecordItem.vue b/src/pages/courseRecord/components/studyRecordItem.vue
index 7941a248..61bae4c6 100644
--- a/src/pages/courseRecord/components/studyRecordItem.vue
+++ b/src/pages/courseRecord/components/studyRecordItem.vue
@@ -40,7 +40,7 @@
 					</view>
 					<view class="list_small_item">
 						<image src="@/static/images/courseRecord/duration.png" class="icon_img"></image>
-						<view class="prompt">学习时长：{{ formatDuration(item_list.startTm, item_list.endTm) }}</view>
+						<view class="prompt">学习时长：{{ item_list.item_list || '--' }}</view>
 					</view>
 				</view>
 				<view class="fl1"></view>
@@ -61,7 +61,7 @@
 	import { computed } from 'vue';
 	import common from '@/common/common';
 	import { queryStdyBatchByCrsId } from '@/api/courseRecord.js';
-	import { useItemList, formatDuration, secondsToHours } from '../useItemList.js';
+	import { useItemList, secondsToHours } from '../useItemList.js';
 	const props = defineProps({
 		item: {
 			type: Object,
diff --git a/src/pages/courseRecord/useItemList.js b/src/pages/courseRecord/useItemList.js
index 2ff3c9b1..dca33100 100644
--- a/src/pages/courseRecord/useItemList.js
+++ b/src/pages/courseRecord/useItemList.js
@@ -7,25 +7,25 @@ import {
 
 
 // 计算两个标准时间的时间差值
-export const formatDuration = (startTm, endTm) => {
-	if (endTm === null || startTm === null) return "00:00:00";
-	// 解析时间字符串为时间戳（毫秒）
-	const startTime = new Date(startTm).getTime();
-	const endTime = new Date(endTm).getTime();
-
-	// 计算时间差（秒），确保为正数
-	const seconds = Math.abs(Math.floor((endTime - startTime) / 1000));
-	// 计算时、分、秒
-	const hours = Math.floor(seconds / 3600);
-	const minutes = Math.floor((seconds % 3600) / 60);
-	const remainingSeconds = seconds % 60;
-
-	// 补零格式化函数（统一处理所有单位）
-	const formatNumber = (num) => num.toString().padStart(2, '0');
-
-	// 小时、分钟、秒均保持两位数格式
-	return `${formatNumber(hours)}:${formatNumber(minutes)}:${formatNumber(remainingSeconds)}`;
-};
+// export const formatDuration = (startTm, endTm) => {
+// 	if (endTm === null || startTm === null) return "00:00:00";
+// 	// 解析时间字符串为时间戳（毫秒）
+// 	const startTime = new Date(startTm).getTime();
+// 	const endTime = new Date(endTm).getTime();
+//
+// 	// 计算时间差（秒），确保为正数
+// 	const seconds = Math.abs(Math.floor((endTime - startTime) / 1000));
+// 	// 计算时、分、秒
+// 	const hours = Math.floor(seconds / 3600);
+// 	const minutes = Math.floor((seconds % 3600) / 60);
+// 	const remainingSeconds = seconds % 60;
+//
+// 	// 补零格式化函数（统一处理所有单位）
+// 	const formatNumber = (num) => num.toString().padStart(2, '0');
+//
+// 	// 小时、分钟、秒均保持两位数格式
+// 	return `${formatNumber(hours)}:${formatNumber(minutes)}:${formatNumber(remainingSeconds)}`;
+// };
 
 // 秒数转换成小时,带小数点的小时
 export const secondsToHours = (seconds) => {