diff --git a/api/core/workflow/nodes/http_request/entities.py b/api/core/workflow/nodes/http_request/entities.py
index ce806b6bdb..fbd4da3840 100644
--- a/api/core/workflow/nodes/http_request/entities.py
+++ b/api/core/workflow/nodes/http_request/entities.py
@@ -1,6 +1,6 @@
 from typing import Literal, Optional, Union
 
-from pydantic import BaseModel
+from pydantic import BaseModel, validator
 
 from core.workflow.entities.base_node_data_entities import BaseNodeData
 from core.workflow.entities.variable_entities import VariableSelector
@@ -17,7 +17,20 @@ class HttpRequestNodeData(BaseNodeData):
             header: Union[None, str]
 
         type: Literal['no-auth', 'api-key']
-        config: Config
+        config: Optional[Config]
+
+        @validator('config', always=True, pre=True)
+        def check_config(cls, v, values):
+            """
+            Check config, if type is no-auth, config should be None, otherwise it should be a dict.
+            """
+            if values['type'] == 'no-auth':
+                return None
+            else:
+                if not v or not isinstance(v, dict):
+                    raise ValueError('config should be a dict')
+                
+                return v
 
     class Body(BaseModel):
         type: Literal[None, 'form-data', 'x-www-form-urlencoded', 'raw', 'json']
diff --git a/api/tests/integration_tests/workflow/nodes/test_http.py b/api/tests/integration_tests/workflow/nodes/test_http.py
index 6df8f6b673..584e1d80a5 100644
--- a/api/tests/integration_tests/workflow/nodes/test_http.py
+++ b/api/tests/integration_tests/workflow/nodes/test_http.py
@@ -54,6 +54,36 @@ def test_get(setup_http_mock):
     assert 'api-key: Basic ak-xxx' in data
     assert 'X-Header: 123' in data
 
+@pytest.mark.parametrize('setup_http_mock', [['none']], indirect=True)
+def test_no_auth(setup_http_mock):
+    node = HttpRequestNode(config={
+        'id': '1',
+        'data': {
+            'title': 'http',
+            'desc': '',
+            'variables': [{
+                'variable': 'args1',
+                'value_selector': ['1', '123', 'args1'],
+            }],
+            'method': 'get',
+            'url': 'http://example.com',
+            'authorization': {
+                'type': 'no-auth',
+                'config': None,
+            },
+            'headers': 'X-Header:123',
+            'params': 'A:b',
+            'body': None,
+        }
+    }, **BASIC_NODE_DATA)
+
+    result = node.run(pool)
+
+    data = result.process_data.get('request', '')
+
+    assert '?A=b' in data
+    assert 'X-Header: 123' in data
+
 @pytest.mark.parametrize('setup_http_mock', [['none']], indirect=True)
 def test_template(setup_http_mock):
     node = HttpRequestNode(config={