diff --git a/server/apps/edu/views.py b/server/apps/edu/views.py
index 9c53baa..7956210 100644
--- a/server/apps/edu/views.py
+++ b/server/apps/edu/views.py
@@ -20,7 +20,6 @@ class CertificateViewSet(CreateUpdateCustomMixin, ModelViewSet):
                  'put': 'certificate', 'delete': 'certificate'}
     queryset = Certificate.objects.all()
     serializer_class = CertificateSerializer
-    pagination_class = None
     search_fields = ['姓名', '证书编号', '所属单位']
     filterset_fields = ['是否内审员','是否授权签字人', '是否质量负责人', '是否最高管理者', '姓名', '证书编号', '所属单位', '单位名称']
     ordering = ['-create_time']
@@ -35,21 +34,24 @@ class CertificateViewSet(CreateUpdateCustomMixin, ModelViewSet):
             return [AllowAny()]
         return super().get_permissions()
 
+    def make_img_x(self, instance):
+        titles = []
+        if instance.是否内审员:
+            titles.append('内审员')
+        if instance.是否授权签字人:
+            titles.append('授权签字人')
+        if instance.是否质量负责人:
+            titles.append('质量负责人')
+        if instance.是否最高管理者:
+            titles.append('最高管理者')
+        instance.证书地址 = make_img(instance.证书编号, instance.姓名, '、'.join(titles))
+        instance.save()
+
     def retrieve(self, request, *args, **kwargs):
         regen_img = request.query_params.get('regen_img', False)
         instance = self.get_object()
         if not instance.证书地址 or regen_img:
-            titles = []
-            if instance.是否内审员:
-                titles.append('内审员')
-            if instance.是否授权签字人:
-                titles.append('授权签字人')
-            if instance.是否质量负责人:
-                titles.append('质量负责人')
-            if instance.是否最高管理者:
-                titles.append('最高管理者')
-            instance.证书地址 = make_img(instance.证书编号, instance.姓名, '、'.join(titles))
-            instance.save()
+            self.make_img_x(instance)
         serializer = self.get_serializer(instance)
         return Response(serializer.data)
     
@@ -86,9 +88,5 @@ class CertificateViewSet(CreateUpdateCustomMixin, ModelViewSet):
             data = {}
             data = self.make_data(data, sheet, i)
             obj, created = Certificate.objects.update_or_create(defaults=data, 证书编号=data['证书编号'])
-            # if created:
-            #     print(f'已创建证书-{data["姓名"]}-{data["证书编号"]}')
-            # else:
-            #     print(f'已更新证书-{data["姓名"]}-{data["证书编号"]}')
             i = i + 1
-        return Response()
\ No newline at end of file
+        return Response()