diff --git a/netcore/src/Modularity/Extend/NCC.Extend/LqAttendanceSummaryService.cs b/netcore/src/Modularity/Extend/NCC.Extend/LqAttendanceSummaryService.cs
index 8c56b8d..26fac40 100644
--- a/netcore/src/Modularity/Extend/NCC.Extend/LqAttendanceSummaryService.cs
+++ b/netcore/src/Modularity/Extend/NCC.Extend/LqAttendanceSummaryService.cs
@@ -325,6 +325,7 @@ namespace NCC.Extend
                 .WhereIF(input.Year.HasValue, a => a.Year == input.Year)
                 .WhereIF(input.Month.HasValue, a => a.Month == input.Month)
                 .WhereIF(input.EmployeeStatus.HasValue, a => a.EmployeeStatus == input.EmployeeStatus)
+
                 .Select(a => new LqAttendanceSummaryListOutput
                 {
                     id = a.Id,
@@ -353,7 +354,26 @@ namespace NCC.Extend
         #endregion
 
         #region 清空某一个月的数据
-
+        /// <summary>
+        ///  清空某一个月的数据
+        /// </summary>
+        /// <param name="year">年份</param>
+        /// <param name="month">月份</param>
+        /// <returns></returns>
+        [HttpDelete("DeleteByMonth/{year}/{month}")]
+        public async Task<dynamic> DeleteByMonth(string year, string month)
+        {
+            int yearInt = int.Parse(year);
+            int monthInt = int.Parse(month);
+            await _db.Deleteable<LqAttendanceSummaryEntity>().Where(p => p.Year == yearInt && p.Month == monthInt).ExecuteCommandAsync();
+            return new
+            {
+                success = true,
+                message = "清空成功"
+            };
+        }
         #endregion
+
+
     }
 }