diff --git a/apps/admin/src/pages/IntegrationConfig/index.tsx b/apps/admin/src/pages/IntegrationConfig/index.tsx
index 1bbd275..659b294 100644
--- a/apps/admin/src/pages/IntegrationConfig/index.tsx
+++ b/apps/admin/src/pages/IntegrationConfig/index.tsx
@@ -53,6 +53,33 @@ interface ImportUsersResponse {
   skipped: number;
 }
 
+const UserTreeNode: React.FC<{
+  u: { userid: string; name: string; mobile: string };
+  isTeacher: boolean;
+  onToggle: () => void;
+  roleId: number | undefined;
+  defaultRoleId: number | null;
+  roles: Array<{ id: number; name: string }>;
+  onRoleChange: (roleId: number) => void;
+}> = React.memo(({ u, isTeacher, onToggle, roleId, defaultRoleId, roles, onRoleChange }) => (
+  <Space size="small">
+    <Checkbox checked={isTeacher} onChange={onToggle}>老师</Checkbox>
+    <span style={{ fontWeight: 500 }}>{u.name}</span>
+    {u.mobile && <Tag style={{ marginLeft: 4 }}>{u.mobile}</Tag>}
+    {isTeacher && (
+      <Select
+        size="small"
+        style={{ width: 100, marginLeft: 8 }}
+        value={roleId || defaultRoleId}
+        onChange={onRoleChange}
+        options={roles.map((r) => ({ label: r.name, value: r.id }))}
+        placeholder="选择角色"
+        onClick={(e: React.MouseEvent) => e.stopPropagation()}
+      />
+    )}
+  </Space>
+));
+
 const IntegrationConfigPage: React.FC = () => {
   const [loading, setLoading] = useState(false);
   const [saving, setSaving] = useState(false);
@@ -91,8 +118,7 @@ const IntegrationConfigPage: React.FC = () => {
   };
 
   useEffect(() => {
-    fetchConfig();
-    fetchRoles();
+    void Promise.all([fetchConfig(), fetchRoles()]);
   }, []);
 
   const handleSave = async () => {
@@ -137,7 +163,7 @@ const IntegrationConfigPage: React.FC = () => {
       const teacherRole = activeRoles.find((r) => r.name === '班主任');
       setDefaultTeacherRoleId(teacherRole?.id || activeRoles[0]?.id || null);
     } catch {
-      // ignore
+      message.error('获取角色列表失败');
     }
   };
 
@@ -154,7 +180,7 @@ const IntegrationConfigPage: React.FC = () => {
         setDeptPickerTree(toTreeNode(res.data));
       }
     } catch {
-      // ignore
+      message.error('获取部门架构失败');
     }
   };
 
@@ -230,43 +256,30 @@ const IntegrationConfigPage: React.FC = () => {
         ...buildTreeData(node.children),
         ...node.users.map((u) => ({
           title: (
-            <Space size="small">
-              <Checkbox
-                checked={!!teacherChecks[u.userid]}
-                onChange={(e) => {
-                  setTeacherChecks((prev) => ({
-                    ...prev,
-                    [u.userid]: e.target.checked,
-                  }));
-                  if (!e.target.checked) {
-                    setTeacherRoles((prev) => {
-                      const next = { ...prev };
-                      delete next[u.userid];
-                      return next;
-                    });
-                  }
-                }}
-              >
-                老师
-              </Checkbox>
-              <span style={{ fontWeight: 500 }}>{u.name}</span>
-              {u.mobile && (
-                <Tag style={{ marginLeft: 4 }}>{u.mobile}</Tag>
-              )}
-              {teacherChecks[u.userid] && (
-                <Select
-                  size="small"
-                  style={{ width: 100, marginLeft: 8 }}
-                  value={teacherRoles[u.userid] || defaultTeacherRoleId}
-                  onChange={(roleId: number) =>
-                    setTeacherRoles((prev) => ({ ...prev, [u.userid]: roleId }))
-                  }
-                  options={roles.map((r) => ({ label: r.name, value: r.id }))}
-                  placeholder="选择角色"
-                  onClick={(e: React.MouseEvent) => e.stopPropagation()}
-                />
-              )}
-            </Space>
+            <UserTreeNode
+              key={u.userid}
+              u={u}
+              isTeacher={!!teacherChecks[u.userid]}
+              onToggle={() => {
+                setTeacherChecks((prev) => ({
+                  ...prev,
+                  [u.userid]: !prev[u.userid],
+                }));
+                if (teacherChecks[u.userid]) {
+                  setTeacherRoles((prev) => {
+                    const next = { ...prev };
+                    delete next[u.userid];
+                    return next;
+                  });
+                }
+              }}
+              roleId={teacherRoles[u.userid]}
+              defaultRoleId={defaultTeacherRoleId}
+              roles={roles}
+              onRoleChange={(roleId) =>
+                setTeacherRoles((prev) => ({ ...prev, [u.userid]: roleId }))
+              }
+            />
           ),
           key: `user-${u.userid}`,
           selectable: false,