diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index bf3ca80a..aa157ae6 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -38,7 +38,10 @@ class SfLog(CommonADModel):
         """
         返回值班记录所属年月日
         """
-        end_time_local = localtime(self.end_time)
+        end_time = self.end_time
+        if end_time.minute == 0 and end_time.second == 0 and end_time.hour == 0:  # 如果结束时间为00:00:00
+            end_time = self.start_time
+        end_time_local = localtime(end_time)
         return end_time_local.year, end_time_local.month, end_time_local.day