diff --git a/apps/wpm/migrations/0033_sflog_total_hour.py b/apps/wpm/migrations/0033_sflog_total_hour.py
new file mode 100644
index 00000000..62ab2ac8
--- /dev/null
+++ b/apps/wpm/migrations/0033_sflog_total_hour.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-11-20 10:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0032_auto_20231120_1623'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sflog',
+            name='total_hour',
+            field=models.FloatField(default=12, verbose_name='总时长'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index 9d8e2fae..4b3feb82 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -40,6 +40,7 @@ class SfLog(CommonADModel):
         'wpm.stlog', verbose_name='关联停机记录', through='wpm.sflogexp')
     last_test_time = models.DateTimeField('最后质检时间', null=True, blank=True)
     total_hour_now = models.FloatField('总时长动', default=0)
+    total_hour = models.FloatField('总时长', default=12)
     shut_hour = models.FloatField('停机时长', default=0)
     pcoal_heat = models.FloatField('煤粉热值', null=True, blank=True)
 
diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index f4f8777b..c77f2fe7 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -29,14 +29,15 @@ def make_sflogs(mgroup: Mgroup, start_date: datetime.date, end_date: datetime.da
             if start_time > end_time:
                 start_time -= datetime.timedelta(days=1)
             duration = end_time - start_time
-            total_hours_now = duration.total_seconds() / 3600
+            total_hour = duration.total_seconds() / 3600
             SfLog.objects.get_or_create(mgroup=mgroup, shift=shift, start_time=start_time, defaults={
                 "mgroup": mgroup,
                 "shift": shift,
                 "work_date": current_date,
                 "start_time": start_time,
                 "end_time": end_time,
-                "total_hour_now": total_hours_now,
+                "total_hour_now": total_hour,
+                "total_hour": total_hour,
                 "create_by": create_by
             })
             current_date = current_date + datetime.timedelta(days=1)
diff --git a/apps/wpm/tasks.py b/apps/wpm/tasks.py
index 4dd41757..a5e70a0d 100644
--- a/apps/wpm/tasks.py
+++ b/apps/wpm/tasks.py
@@ -41,8 +41,7 @@ def get_total_hour_now(sflogId: str):
     if sflogId:
         sflog = SfLog.objects.get(id=sflogId)
         if sflog.end_time <= now:
-            sflog.total_hour_now = (
-                sflog.end_time-sflog.start_time).total_seconds()/3600   # 写死的数据不是很好
+            sflog.total_hour_now = sflog.total_hour
         else:
             total_hour_now = (now-sflog.start_time).total_seconds()/3600
             sflog.total_hour_now = total_hour_now if total_hour_now > 0 else 0
@@ -50,7 +49,7 @@ def get_total_hour_now(sflogId: str):
         return sflog.total_hour_now
     else:
         SfLog.objects.filter(end_time__lte=now).exclude(
-            total_hour_now=12).update(total_hour_now=12)
+            total_hour_now__lt=F('total_hour')).update(total_hour_now=F('total_hour'))
         sf_qs = SfLog.objects.filter(end_time__gt=now)
         for i in sf_qs:
             total_hour_now = (now-i.start_time).total_seconds()/3600