diff --git a/apps/common/swagger_api/common_api.py b/apps/common/swagger_api/common_api.py
index 3134db0d0..9e7d19762 100644
--- a/apps/common/swagger_api/common_api.py
+++ b/apps/common/swagger_api/common_api.py
@@ -15,33 +15,21 @@ from django.utils.translation import gettext_lazy as _
 class CommonApi:
     class HitTestApi(ApiMixin):
         @staticmethod
-        def get_request_params_api():
-            return [
-                openapi.Parameter(name='query_text',
-                                  in_=openapi.IN_QUERY,
-                                  type=openapi.TYPE_STRING,
-                                  required=True,
-                                  description=_('query text')),
-                openapi.Parameter(name='top_number',
-                                  in_=openapi.IN_QUERY,
-                                  type=openapi.TYPE_NUMBER,
-                                  default=10,
-                                  required=True,
-                                  description='topN'),
-                openapi.Parameter(name='similarity',
-                                  in_=openapi.IN_QUERY,
-                                  type=openapi.TYPE_NUMBER,
-                                  default=0.6,
-                                  required=True,
-                                  description=_('similarity')),
-                openapi.Parameter(name='search_mode',
-                                  in_=openapi.IN_QUERY,
-                                  type=openapi.TYPE_STRING,
-                                  default="embedding",
-                                  required=True,
-                                  description=_('Retrieval pattern embedding|keywords|blend')
-                                  )
-            ]
+        def get_request_body_api():
+            return openapi.Schema(
+                    type=openapi.TYPE_OBJECT,
+                    required=['query_text', 'top_number', 'similarity', 'search_mode'],
+                    properties={
+                        'query_text': openapi.Schema(type=openapi.TYPE_STRING, title=_('query text'),
+                                                      description=_('query text')),
+                        'top_number': openapi.Schema(type=openapi.TYPE_NUMBER, title=_('top number'),
+                                                      description=_('top number')),
+                        'similarity': openapi.Schema(type=openapi.TYPE_NUMBER, title=_('similarity'),
+                                                      description=_('similarity')),
+                        'search_mode': openapi.Schema(type=openapi.TYPE_STRING, title=_('search mode'),
+                                                       description=_('search mode'))
+                    }
+                )
 
         @staticmethod
         def get_response_body_api():
diff --git a/apps/dataset/views/dataset.py b/apps/dataset/views/dataset.py
index ad28bc198..aeb1af289 100644
--- a/apps/dataset/views/dataset.py
+++ b/apps/dataset/views/dataset.py
@@ -142,7 +142,7 @@ class Dataset(APIView):
 
         @action(methods="PUT", detail=False)
         @swagger_auto_schema(operation_summary=_('Hit test list'), operation_id=_('Hit test list'),
-                             manual_parameters=CommonApi.HitTestApi.get_request_params_api(),
+                             request_body=CommonApi.HitTestApi.get_request_body_api(),
                              responses=result.get_api_array_response(CommonApi.HitTestApi.get_response_body_api()),
                              tags=[_('Knowledge Base')])
         @has_permissions(lambda r, keywords: Permission(group=Group.DATASET, operate=Operate.USE,