diff --git a/apps/enp/models.py b/apps/enp/models.py
index dea8c82a..3f25a095 100644
--- a/apps/enp/models.py
+++ b/apps/enp/models.py
@@ -30,7 +30,7 @@ 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)
+                            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='')
     pm_limit = models.FloatField('PM超低排放限值', default=10, help_text='单位:mg/m³')