diff --git a/pilot/server/webserver.py b/pilot/server/webserver.py
index b75a44e04..c34ecd934 100644
--- a/pilot/server/webserver.py
+++ b/pilot/server/webserver.py
@@ -27,8 +27,6 @@ from pilot.conversation import (
 from pilot.utils import (
     build_logger,
     server_error_msg,
-    violates_moderation,
-    moderation_msg
 )
 
 from pilot.server.gradio_css import code_highlight_css
@@ -129,14 +127,9 @@ def add_text(state, text, request: gr.Request):
     if len(text) <= 0:
         state.skip_next = True
         return (state, state.to_gradio_chatbot(), "") + (no_change_btn,) * 5
-    if args.moderate:
-        flagged = violates_moderation(text)
-        if flagged:
-            state.skip_next = True
-            return (state, state.to_gradio_chatbot(), moderation_msg) + (
-                no_change_btn,) * 5
 
-    text = text[:4000]  # Hard cut-off
+    """ Default support 4000 tokens, if tokens too lang, we will cut off  """
+    text = text[:4000]  
     state.append_message(state.roles[0], text)
     state.append_message(state.roles[1], None)
     state.skip_next = False
@@ -439,9 +432,7 @@ if __name__ == "__main__":
         "--model-list-mode", type=str, default="once", choices=["once", "reload"]
     )
     parser.add_argument("--share", default=False, action="store_true")
-    parser.add_argument(
-        "--moderate", action="store_true", help="Enable content moderation"
-    )
+
     args = parser.parse_args()
     logger.info(f"args: {args}")
 
diff --git a/pilot/utils.py b/pilot/utils.py
index b2505eba1..0179d12c2 100644
--- a/pilot/utils.py
+++ b/pilot/utils.py
@@ -14,7 +14,6 @@ import requests
 from pilot.configs.model_config import LOGDIR
 
 server_error_msg = "**NETWORK ERROR DUE TO HIGH TRAFFIC. PLEASE REGENERATE OR REFRESH THIS PAGE.**"
-moderation_msg = "YOUR INPUT VIOLATES OUR CONTENT MODERATION GUIDELINES. PLEASE TRY AGAIN."
 
 handler = None
 
@@ -125,27 +124,6 @@ def disable_torch_init():
     setattr(torch.nn.LayerNorm, "reset_parameters", lambda self: None)
 
 
-def violates_moderation(text):
-    """
-    Check whether the text violates OpenAI moderation API.
-    """
-    url = "https://api.openai.com/v1/moderations"
-    headers = {"Content-Type": "application/json",
-               "Authorization": "Bearer " + os.environ["OPENAI_API_KEY"]}
-    text = text.replace("\n", "")
-    data = "{" + '"input": ' + f'"{text}"' + "}"
-    data = data.encode("utf-8")
-    try:
-        ret = requests.post(url, headers=headers, data=data, timeout=5)
-        flagged = ret.json()["results"][0]["flagged"]
-    except requests.exceptions.RequestException as e:
-        flagged = False
-    except KeyError as e:
-        flagged = False
-
-    return flagged
-
-
 def pretty_print_semaphore(semaphore):
     if semaphore is None:
         return "None"