diff --git a/utils/casbin/synced_enforcer.py b/utils/casbin/synced_enforcer.py
index 886d1d8..84d469e 100644
--- a/utils/casbin/synced_enforcer.py
+++ b/utils/casbin/synced_enforcer.py
@@ -578,4 +578,23 @@ class SyncedEnforcer():
             return self._e.remove_named_grouping_policies(ptype,rules)
 
     def build_incremental_role_links(self, op, ptype, rules):
-        self.get_model().build_incremental_role_links(self.get_role_manager(), op, "g", ptype, rules)
\ No newline at end of file
+        self.get_model().build_incremental_role_links(self.get_role_manager(), op, "g", ptype, rules)
+
+    def get_all_users_by_domain(self, domain):
+        """获得所有与该域相关联的用户"""
+        data = self.get_filtered_grouping_policy(2, domain)
+        res = []
+        for item in data:
+            res.append({
+                'username': item[0],
+                'role_id': item[1]
+            })
+        return res
+
+    def get_domains_for_user(self, user):
+        """获取用户拥有的所有域名"""
+        data = self.get_filtered_grouping_policy(0, user)
+        res = []
+        for item in data:
+            res.append(item[2])
+        return res
\ No newline at end of file