diff --git a/apps/em/migrations/0009_alter_equipment_description.py b/apps/em/migrations/0009_alter_equipment_description.py
new file mode 100644
index 00000000..90f4b9de
--- /dev/null
+++ b/apps/em/migrations/0009_alter_equipment_description.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-11-28 07:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('em', '0008_equipment_accuracy_level'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='equipment',
+            name='description',
+            field=models.CharField(blank=True, default='', max_length=200, verbose_name='描述'),
+        ),
+    ]
diff --git a/apps/em/models.py b/apps/em/models.py
index 27e3c1f6..df22f117 100644
--- a/apps/em/models.py
+++ b/apps/em/models.py
@@ -62,7 +62,8 @@ class Equipment(CommonBModel):
     count = models.PositiveIntegerField('数量', default=1)
     keeper = models.ForeignKey(
         User, verbose_name='责任人', on_delete=models.CASCADE, null=True, blank=True)
-    description = models.CharField('描述', max_length=200, default='', null=True)
+    description = models.CharField(
+        '描述', max_length=200, default='', blank=True)
 
     # 以下是计量检测设备单独字段
     # mgmtype  = models.IntegerField('管理类别', choices=mgmtype_choices, default=1)