diff --git a/apps/em/migrations/0003_equipment_use_date.py b/apps/em/migrations/0003_equipment_use_date.py
new file mode 100644
index 00000000..9e5f6273
--- /dev/null
+++ b/apps/em/migrations/0003_equipment_use_date.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-09-05 09:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('em', '0002_equipment_power_kw'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='equipment',
+            name='use_date',
+            field=models.DateField(blank=True, null=True, verbose_name='启用日期'),
+        ),
+    ]
diff --git a/apps/em/models.py b/apps/em/models.py
index d3a919e4..1f326c77 100644
--- a/apps/em/models.py
+++ b/apps/em/models.py
@@ -60,6 +60,7 @@ class Equipment(CommonBModel):
     # usetype  = models.IntegerField('使用类别', choices=usetype_choices, default=1)
     # way  = models.IntegerField('校准或检定方式', choices=way_choices, default=1)
     # standard = models.CharField('溯源标准或依据', max_length=200, default='', blank=True)
+    use_date = models.DateField('启用日期', null=True, blank=True)
     cycle = models.PositiveSmallIntegerField('校准或检定周期(月)', null=True, blank=True)
     check_date = models.DateField('最近校准检查日期', blank=True, null=True)
     next_check_date = models.DateField('预计下次校准检查日期',blank=True, null=True)