diff --git a/apps/enp/migrations/0010_auto_20240531_1638.py b/apps/enp/migrations/0010_auto_20240531_1638.py
new file mode 100644
index 00000000..c41e529c
--- /dev/null
+++ b/apps/enp/migrations/0010_auto_20240531_1638.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.12 on 2024-05-31 08:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('enp', '0009_auto_20240411_1521'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='drain',
+            name='measure',
+            field=models.CharField(blank=True, default='', max_length=20, verbose_name='治理措施'),
+        ),
+        migrations.AlterField(
+            model_name='drain',
+            name='treatment_capacity',
+            field=models.CharField(blank=True, default='', max_length=20, verbose_name='处理量'),
+        ),
+    ]
diff --git a/apps/enp/models.py b/apps/enp/models.py
index 7239e85c..1b23bcc0 100644
--- a/apps/enp/models.py
+++ b/apps/enp/models.py
@@ -26,9 +26,9 @@ class Drain(CommonBModel):
     level = models.PositiveSmallIntegerField("排口等级", default=20, choices=DR_LEVLE_CHOICES, help_text=str(DR_LEVLE_CHOICES))
     cate = models.CharField("分类", max_length=10, choices=DR_CATE_CHOICES, null=True, blank=True, help_text=str(DR_CATE_CHOICES))
     height = models.PositiveSmallIntegerField("排气筒高度", default=0)
-    treatment_capacity = models.CharField("处理量", max_length=20, default="")
+    treatment_capacity = models.CharField("处理量", max_length=20, default="", blank=True)
     pm_limit = models.FloatField("PM超低排放限值", default=10, help_text="单位:mg/m³")
-    measure = models.CharField("治理措施", max_length=20, default="")
+    measure = models.CharField("治理措施", max_length=20, default="", blank=True)
     # {"x": 1.0, "y": 2.0, "z": 3.0}
     coordinates = models.JSONField("坐标", default=dict, blank=True)
     mgroup = models.ForeignKey(Mgroup, verbose_name="所属工段", on_delete=models.CASCADE)