diff --git a/src/api-engine/api/routes/agent/views.py b/src/api-engine/api/routes/agent/views.py
index 91e3b1598..6f2739d14 100644
--- a/src/api-engine/api/routes/agent/views.py
+++ b/src/api-engine/api/routes/agent/views.py
@@ -118,7 +118,7 @@ def list(self, request):
                 )
 
     @swagger_auto_schema(
-        manual_parameters=AgentCreateBody().to_form_paras(),
+        request_body=AgentCreateBody,
         responses=with_common_response(
             {status.HTTP_201_CREATED: AgentIDSerializer}
         ),
diff --git a/src/api-engine/api/routes/file/views.py b/src/api-engine/api/routes/file/views.py
index 95abb8742..21446c536 100644
--- a/src/api-engine/api/routes/file/views.py
+++ b/src/api-engine/api/routes/file/views.py
@@ -89,7 +89,7 @@ def list(self, request):
                 )
 
     @swagger_auto_schema(
-        manual_parameters=FileCreateSerializer().to_form_paras(),
+        request_body=FileCreateSerializer,
         responses=with_common_response(
             {status.HTTP_201_CREATED: FileIDSerializer}
         ),
diff --git a/src/api-engine/api/routes/node/views.py b/src/api-engine/api/routes/node/views.py
index 114694651..da6885737 100644
--- a/src/api-engine/api/routes/node/views.py
+++ b/src/api-engine/api/routes/node/views.py
@@ -426,7 +426,7 @@ def update(self, request, pk=None):
 
     @swagger_auto_schema(
         methods=["post"],
-        manual_parameters=NodeFileCreateSerializer().to_form_paras(),
+        request_body=NodeFileCreateSerializer,
         responses=with_common_response({status.HTTP_202_ACCEPTED: "Accepted"}),
     )
     @action(methods=["post"], detail=True, url_path="files", url_name="files")