diff --git a/src/pages/quality/SampleCheck/index.vue b/src/pages/quality/SampleCheck/index.vue
index 39a186b..415c83d 100644
--- a/src/pages/quality/SampleCheck/index.vue
+++ b/src/pages/quality/SampleCheck/index.vue
@@ -164,8 +164,7 @@ import {
   getManagerList,
   getQcWaitCheckSampleTaskList,
   getWorkshopList,
-  submitCheckSampleTaskZl0030,
-  updateQcCheckSampleTask
+  submitCheckSampleTaskZl0030
 } from './model';
 import moment from 'moment';
 import PageHead from '@/components/lanju/page-head/index.vue';
@@ -312,8 +311,17 @@ export default class SampleCheck extends BasePage {
   //计算时间差
   timeDifference(time: any) {
     //留样时间戳
-    const sampleTime = new Date(moment(time).format('YYYY-MM-DD')).getMonth();
-    return new Date().getMonth() - sampleTime;
+    const targetDate = moment(time).toDate(); // 直接转Date对象更高效
+
+    // 2. 获取当前时间和目标时间的年、月
+    const now = new Date();
+    const currentYear = now.getFullYear();
+    const currentMonth = now.getMonth();
+    const targetYear = targetDate.getFullYear();
+    const targetMonth = targetDate.getMonth();
+
+    // 3. 核心计算：结合年份和月份计算总差值
+    return (currentYear - targetYear) * 12 + (currentMonth - targetMonth);
   }
 
   //时间转换