diff --git a/apps/enp/tasks.py b/apps/enp/tasks.py
index 9288b4b2..bb13b7f9 100644
--- a/apps/enp/tasks.py
+++ b/apps/enp/tasks.py
@@ -14,7 +14,7 @@ def generate_envdata():
     """生成模拟数据"""
     now = timezone.now().replace(microsecond=0)
     eIds = DrainEquip.objects.values_list("equipment__id", flat=True)
-    equips = Equipment.objects.filter(id__in=eIds) | Equipment.objects.filter(cate__code="aqms")
+    equips = (Equipment.objects.filter(id__in=eIds) | Equipment.objects.filter(cate__code="aqms")).distinct()
     save_list = []
     for equip in equips:
         default_dict = {"equipment": equip, "timex": now, "running_state": 10}