diff --git a/apps/wpm/migrations/0006_stsflog_duration.py b/apps/wpm/migrations/0006_stsflog_duration.py
new file mode 100644
index 00000000..860f551a
--- /dev/null
+++ b/apps/wpm/migrations/0006_stsflog_duration.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-07-25 03:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0005_auto_20230724_1118'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stsflog',
+            name='duration',
+            field=models.FloatField(blank=True, null=True, verbose_name='停机时长(h)'),
+        ),
+    ]
diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index 49b9ebe3..a8972b52 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -19,4 +19,11 @@ def make_sflogs(mgroup: Mgroup, start_date: datetime.date, end_date: datetime.da
                 "end_time": end_time,
                 "work_hour": round((end_time-start_time).total_seconds/3600)
             })
-            current_date = current_date + datetime.timedelta(days=1)
\ No newline at end of file
+            current_date = current_date + datetime.timedelta(days=1)
+
+
+def cal_shut_hour():
+    """
+    计算班的停机时间
+    """
+    pass
\ No newline at end of file
diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 478b6bdc..706d1b0c 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -75,14 +75,9 @@ class SfLogViewSet(UpdateModelMixin, ListModelMixin, DestroyModelMixin, CustomGe
         for material in test_materials:
             testitems = TestItem.objects.filter(id__in=material.testitems).order_by('sort', '-create_time')
             for testitem in testitems:
-                end_time_local = localtime(obj.end_time)
-                params = {'type': 'sflog', 'material': material, 'testitem': testitem, 'sflog': obj}
-                params_default = params.update({'year_s': end_time_local.year, 'month_s': end_time_local.month, 'day_s': end_time_local.day})
-                ins, _ = QuaStat.objects.get_or_create(**params, defaults=params_default)
-                if ins.create_by is None:
-                    ins.create_by = request.user
-                ins.belong_dept = obj.mgroup.belong_dept
-                ins.save()
+                params = {'material': material, 'testitem': testitem, 'sflog': obj}
+                params_default = params.update({'create_by': request.user, 'belong_dept': obj.mgroup.belong_dept})
+                QuaStat.objects.get_or_create(**params, defaults=params_default)
         qs = QuaStat.objects.filter(type='sflog', sflog=obj).order_by('material__sort', 'material__create_time', 'testitem__sort', 'testitem__create_time')
         sr = QuaStatSerializer(instance=qs, many=True)
         return Response(sr.data)