diff --git a/apps/tools/serializers/tool.py b/apps/tools/serializers/tool.py
index 38592253b..92491bb3a 100644
--- a/apps/tools/serializers/tool.py
+++ b/apps/tools/serializers/tool.py
@@ -141,15 +141,13 @@ class InitField(serializers.Serializer):
 class ToolCreateRequest(serializers.Serializer):
     name = serializers.CharField(required=True, label=_('tool name'))
 
-    desc = serializers.CharField(required=False, allow_null=True, allow_blank=True,
-                                 label=_('tool description'))
+    desc = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_('tool description'))
 
     code = serializers.CharField(required=True, label=_('tool content'))
 
-    input_field_list = serializers.ListField(child=ToolInputField(), required=False, default=list,
-                                             label=_('input field list'))
+    input_field_list = serializers.ListField(required=False, default=list, label=_('input field list'))
 
-    init_field_list = serializers.ListField(child=InitField(), required=False, default=list, label=_('init field list'))
+    init_field_list = serializers.ListField(required=False, default=list, label=_('init field list'))
 
     is_active = serializers.BooleanField(required=False, label=_('Is active'))
 
@@ -160,8 +158,8 @@ class ToolEditRequest(serializers.Serializer):
     name = serializers.CharField(required=False, label=_('tool name'), allow_null=True)
     desc = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_('tool description'))
     code = serializers.CharField(required=False, label=_('tool content'), allow_null=True,)
-    input_field_list = serializers.ListField(child=ToolInputField(), required=False, default=list, allow_null=True, label=_('input field list'))
-    init_field_list = serializers.ListField(child=InitField(), required=False, default=list, allow_null=True, label=_('init field list'))
+    input_field_list = serializers.ListField(required=False, default=list, allow_null=True, label=_('input field list'))
+    init_field_list = serializers.ListField(required=False, default=list, allow_null=True, label=_('init field list'))
     init_params = serializers.DictField(required=False, default=dict, allow_null=True, label=_('init params'))
     is_active = serializers.BooleanField(required=False, label=_('Is active'), allow_null=True,)
     folder_id = serializers.CharField(required=False, allow_null=True)
@@ -174,9 +172,8 @@ class DebugField(serializers.Serializer):
 
 class ToolDebugRequest(serializers.Serializer):
     code = serializers.CharField(required=True, label=_('tool content'))
-    input_field_list = serializers.ListField(child=ToolInputField(), required=False, default=list,
-                                             label=_('input field list'))
-    init_field_list = serializers.ListField(child=InitField(), required=False, default=list, label=_('init field list'))
+    input_field_list = serializers.ListField(required=False, default=list, label=_('input field list'))
+    init_field_list = serializers.ListField(required=False, default=list, label=_('init field list'))
     init_params = serializers.DictField(required=False, default=dict, label=_('init params'))
     debug_field_list = DebugField(required=True, many=True)