diff --git a/apps/third/filters.py b/apps/third/filters.py
index 9296a947..90f3b97b 100644
--- a/apps/third/filters.py
+++ b/apps/third/filters.py
@@ -9,7 +9,7 @@ class TDeviceFilterSet(filters.FilterSet):
         model = TDevice
         fields = ['type', 'area', 'employee', 'obj_cate', 'state']
 
-    def filter_used(self, queryset, name, value):
+    def filter_state(self, queryset, name, value):
         if value == 'unused':
             queryset = queryset.filter(employee=None)
         elif value == 'used':