diff --git a/djangosaml2idp/mxins/LoginRequiredMixin.py b/djangosaml2idp/mxins/LoginRequiredMixin.py
index 247fec5fe..11eac326b 100644
--- a/djangosaml2idp/mxins/LoginRequiredMixin.py
+++ b/djangosaml2idp/mxins/LoginRequiredMixin.py
@@ -22,7 +22,7 @@ def dispatch(self, request, tenant_uuid, app_id, *args, **kwargs):
                 return super().dispatch(request, tenant_uuid, app_id, *args, **kwargs)
         except Exception as err:    # pylint: disable=broad-except
             logger.debug(err)
-            next = f"{get_app_config().get_host()}{request.path}?{'&'.join([f'{k}={request.GET[k]}'for k in request.GET.keys()])}"
+            next = f"{request.path}?{'&'.join([f'{k}={request.GET[k]}'for k in request.GET.keys()])}"
 
             if next.endswith("?"):
                 # 如无参数 则去掉？
diff --git a/djangosaml2idp/views/FakeLoginView.py b/djangosaml2idp/views/FakeLoginView.py
index 0a143486f..ce59b0afd 100644
--- a/djangosaml2idp/views/FakeLoginView.py
+++ b/djangosaml2idp/views/FakeLoginView.py
@@ -21,10 +21,8 @@ def get(self, request, tenant_uuid, app_id):    # pylint: disable=no-self-use
         next = request.GET.get("next",None)
         if request.GET.get("token",None):
             token = request.GET.get("token")
-            params=[f'{k}={request.GET[k]}' for k in request.GET.keys() if k != "token" ]
             return redirect(f"{next}&spauthn={token}")
 
-        params=[f'{k}={request.GET[k]}' for k in request.GET.keys() ]
-        login_url = f"{get_app_config().get_frontend_host()}/login?tenant={str(tenant_uuid).replace('-','')}&next={next}"
+        login_url = f"/login?tenant={str(tenant_uuid).replace('-','')}&next={next}"
         # login_url = urllib.parse.quote(login_url)
         return render(request, 'djangosaml2idp/fake_login.html', context={'login_url': login_url, "next": next})
diff --git a/extension_root/saml2idp/provider.py b/extension_root/saml2idp/provider.py
index 66e087907..09752497b 100644
--- a/extension_root/saml2idp/provider.py
+++ b/extension_root/saml2idp/provider.py
@@ -100,10 +100,10 @@ def create(self, app: App, data: Dict) -> Dict:  # pylint: disable=arguments-dif
             os.remove(
                 BASEDIR + '/djangosaml2idp/saml2_config/sp_cert/%s.pem' % filename)
 
-        app.url = f'{get_app_config().get_host()}{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
+        app.url = f'{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
 
         if data.get("sso_url", None) in ["", None]:
-            data["sso_url"] = f'{get_app_config().get_host()}{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
+            data["sso_url"] = f'{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
 
         return data
 
@@ -180,9 +180,9 @@ def update(self, app: App, data: Dict) -> Dict:  # pylint: disable=arguments-dif
             os.remove(
                 BASEDIR + '/djangosaml2idp/saml2_config/sp_cert/%s.pem' % filename)
 
-        app.url = f'{get_app_config().get_host()}{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
+        app.url = f'{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
         if data.get("sso_url", None) in ["", None]:
-            data["sso_url"] = f'{get_app_config().get_host()}{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
+            data["sso_url"] = f'{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
         return data
 
     def delete(self):
diff --git a/extension_root/saml2idp_aliyun_ram/provider.py b/extension_root/saml2idp_aliyun_ram/provider.py
index 66e087907..09752497b 100644
--- a/extension_root/saml2idp_aliyun_ram/provider.py
+++ b/extension_root/saml2idp_aliyun_ram/provider.py
@@ -100,10 +100,10 @@ def create(self, app: App, data: Dict) -> Dict:  # pylint: disable=arguments-dif
             os.remove(
                 BASEDIR + '/djangosaml2idp/saml2_config/sp_cert/%s.pem' % filename)
 
-        app.url = f'{get_app_config().get_host()}{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
+        app.url = f'{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
 
         if data.get("sso_url", None) in ["", None]:
-            data["sso_url"] = f'{get_app_config().get_host()}{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
+            data["sso_url"] = f'{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
 
         return data
 
@@ -180,9 +180,9 @@ def update(self, app: App, data: Dict) -> Dict:  # pylint: disable=arguments-dif
             os.remove(
                 BASEDIR + '/djangosaml2idp/saml2_config/sp_cert/%s.pem' % filename)
 
-        app.url = f'{get_app_config().get_host()}{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
+        app.url = f'{reverse("api:saml2idp:saml_sso_hook",args=(app.tenant.uuid,app.id))}?spauthn='+'{token}'
         if data.get("sso_url", None) in ["", None]:
-            data["sso_url"] = f'{get_app_config().get_host()}{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
+            data["sso_url"] = f'{reverse("api:saml2idp:sso_init",args=(app.tenant.uuid,app.id))}'
         return data
 
     def delete(self):