diff --git a/apps/opm/filters.py b/apps/opm/filters.py
index 03ab6d9c..d371e368 100644
--- a/apps/opm/filters.py
+++ b/apps/opm/filters.py
@@ -10,5 +10,5 @@ class OperationFilterset(filters.FilterSet):
             'area': ['exact'],
             'create_by': ['exact'],
             'create_time': ['gte', 'lte'],
-            'cates': ['exact', 'in']
+            'cates': ['exact']
         }