diff --git a/src/components/DesignForm/public/expand/datePicker.vue b/src/components/DesignForm/public/expand/datePicker.vue
index 9b7143e..5a9b566 100644
--- a/src/components/DesignForm/public/expand/datePicker.vue
+++ b/src/components/DesignForm/public/expand/datePicker.vue
@@ -40,7 +40,7 @@ const shichangShowFlag = computed(() => {
   }
 });
 
-function calculateTimeDiff(startTimestamp: string, endTimestamp: string) {
+/* function calculateTimeDiff(startTimestamp: string, endTimestamp: string) {
   // 解析时间戳为数字
   const start = parseInt(startTimestamp, 10);
   const end = parseInt(endTimestamp, 10);
@@ -70,6 +70,42 @@ function calculateTimeDiff(startTimestamp: string, endTimestamp: string) {
     }
     return `${days} 天 ${remainingHours} 小时`;
   }
+} */
+
+
+function calculateTimeDiff(startTimestamp: string, endTimestamp: string) {
+  // 解析时间戳为数字
+  const start = parseInt(startTimestamp, 10);
+  const end = parseInt(endTimestamp, 10);
+
+  // 计算时间差（毫秒）并取绝对值
+  const diffMs = Math.abs(end - start);
+
+  // 计算总分钟数并向下取整
+  const totalMinutes = Math.floor(diffMs / 60000);
+
+  // 计算天数和剩余小时数
+  const days = Math.floor(totalMinutes / 1440); // 1440分钟 = 24小时
+  const remainingMinutesAfterDays = totalMinutes % 1440;
+  const hours = Math.floor(remainingMinutesAfterDays / 60);
+  const minutes = remainingMinutesAfterDays % 60;
+
+  // 构建返回字符串
+  let result = '';
+  
+  if (days > 0) {
+    result += `${days} 天 `;
+  }
+  
+  if (hours > 0) {
+    result += `${hours} 小时 `;
+  }
+  
+  if (minutes >= 0) { // 包含0分钟的情况
+    result += `${minutes} 分钟`;
+  }
+
+  return result.trim(); // 去除末尾空格
 }
 
 const valueFormat = "x";