diff --git a/apps/opm/filters.py b/apps/opm/filters.py
new file mode 100644
index 00000000..6ea699db
--- /dev/null
+++ b/apps/opm/filters.py
@@ -0,0 +1,9 @@
+from django_filters import rest_framework as filters
+from apps.opm.models import Operation
+
+class OperationFilterset(filters.FilterSet):
+    start_create = filters.DateTimeFilter(field_name="create_time", lookup_expr='gte')
+    end_create = filters.DateTimeFilter(field_name="create_time", lookup_expr='lte')
+    class Meta:
+        model = Operation
+        fields = ['state', 'cates', 'area', 'create_by', 'start_create', 'end_create']
\ No newline at end of file
diff --git a/apps/opm/views.py b/apps/opm/views.py
index e0366487..6a3cbc32 100644
--- a/apps/opm/views.py
+++ b/apps/opm/views.py
@@ -16,6 +16,7 @@ from rest_framework.serializers import Serializer
 from apps.wf.models import Ticket
 from django.core.cache import cache
 from django.db import transaction
+from apps.opm.filters import OperationFilterset
 
 # Create your views here.
 
@@ -42,7 +43,7 @@ class OperationViewSet(CustomModelViewSet):
     select_related_fields = ['area', 'dept_bus', 'dept_ter', 'coordinator']
     prefetch_related_fields = ['cates']
     search_fields = ['name']
-    filterset_fields = ['state', 'cates', 'area', 'create_by']
+    filterset_class = OperationFilterset
     # data_filter = True
 
     def update(self, request, *args, **kwargs):