diff --git a/apps/wpm/migrations/0005_auto_20230724_1118.py b/apps/wpm/migrations/0005_auto_20230724_1118.py
new file mode 100644
index 00000000..8f9db271
--- /dev/null
+++ b/apps/wpm/migrations/0005_auto_20230724_1118.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.12 on 2023-07-24 03:18
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0004_sflog_last_test_time'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sflog',
+            name='shut_hour',
+            field=models.FloatField(default=0, verbose_name='停机时间'),
+        ),
+        migrations.AddField(
+            model_name='sflog',
+            name='work_hour',
+            field=models.FloatField(default=12, verbose_name='运转时间'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index 71661269..ee4d4232 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -26,6 +26,8 @@ class SfLog(CommonADModel):
     note = models.TextField('其他备注', null=True, blank=True)
     stlogs = models.ManyToManyField('wpm.stlog', verbose_name='关联停机记录', through='wpm.stsflog')
     last_test_time = models.DateTimeField('最后质检时间', null=True, blank=True)
+    work_hour = models.FloatField('运转时间', default=12)
+    shut_hour = models.FloatField('停机时间', default=0)
 
 
 class StSfLog(BaseModel):
diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index 29343f11..49b9ebe3 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -17,5 +17,6 @@ def make_sflogs(mgroup: Mgroup, start_date: datetime.date, end_date: datetime.da
                 "shift": shift,
                 "start_time": start_time,
                 "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