diff --git a/.gitignore b/.gitignore
index 4b5ec82..bb09af8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,4 +10,5 @@ rebel.xml
 ## front
 **/*.lock
 
-**/*.exe
\ No newline at end of file
+**/*.exe
+**/*.exe***
\ No newline at end of file
diff --git a/server/modules/yx/mapper/yx_calculation_major_mapper.go b/server/modules/yx/mapper/yx_calculation_major_mapper.go
index ea21a8c..5a8fbcd 100644
--- a/server/modules/yx/mapper/yx_calculation_major_mapper.go
+++ b/server/modules/yx/mapper/yx_calculation_major_mapper.go
@@ -183,7 +183,7 @@ func (m *YxCalculationMajorMapper) FindRecommendList(query dto.SchoolMajorQuery)
 		countErr = config.DB.Raw(countSQL, params...).Count(&total).Error
 		// 计算该协程耗时，通过互斥锁安全写入共享变量
 		mu.Lock()
-		queryCost.CountCost = time.Since(start)
+		queryCost.CountCost = time.Now().Sub(start)
 		mu.Unlock()
 	}()
 
@@ -195,7 +195,7 @@ func (m *YxCalculationMajorMapper) FindRecommendList(query dto.SchoolMajorQuery)
 		probCountErr = config.DB.Raw(probCountSQL, params...).Scan(&probCount).Error
 		// 计算该协程耗时，通过互斥锁安全写入共享变量
 		mu.Lock()
-		queryCost.ProbCountCost = time.Since(start)
+		queryCost.ProbCountCost = time.Now().Sub(start)
 		mu.Unlock()
 	}()
 
@@ -207,14 +207,14 @@ func (m *YxCalculationMajorMapper) FindRecommendList(query dto.SchoolMajorQuery)
 		queryErr = config.DB.Raw(mainSQL, params...).Scan(&items).Error
 		// 计算该协程耗时，通过互斥锁安全写入共享变量
 		mu.Lock()
-		queryCost.QueryCost = time.Since(start)
+		queryCost.QueryCost = time.Now().Sub(start)
 		mu.Unlock()
 	}()
 
 	wg.Wait()
 
 	// 计算整体总耗时
-	queryCost.TotalCost = time.Since(totalStartTime)
+	queryCost.TotalCost = time.Now().Sub(totalStartTime)
 
 	// 打印各协程耗时和总耗时（按需输出，可注释或删除）
 	fmt.Printf("各查询耗时统计：\n")