diff --git a/erniekit/webui/control.py b/erniekit/webui/control.py
index 5b512f979..d91de7828 100644
--- a/erniekit/webui/control.py
+++ b/erniekit/webui/control.py
@@ -2517,6 +2517,7 @@ def update_language(language):
                                 if col_config["options"]
                                 else None
                             ),
+                            allow_custom_value=True,
                         )
                     elif col_config["type"] == "textbox":
                         col = gr.Textbox(scale=col_config.get("scale", 1), value="")
diff --git a/erniekit/webui/view/chat.py b/erniekit/webui/view/chat.py
index aa4faa9ac..1402c0966 100644
--- a/erniekit/webui/view/chat.py
+++ b/erniekit/webui/view/chat.py
@@ -39,7 +39,7 @@ def build(manager):
     default_system_prompt = config.get_default_user_dict("chat", "system_prompt")
     default_thought_checkbox = config.get_default_user_dict("chat", "thought_checkbox")
 
-    with gr.Tab() as chat_tab:
+    with gr.Tab("chat_tab") as chat_tab:
         chat_info = gr.HTML()
 
         with gr.Row():
diff --git a/erniekit/webui/view/eval.py b/erniekit/webui/view/eval.py
index 9398bf774..14fe2505d 100644
--- a/erniekit/webui/view/eval.py
+++ b/erniekit/webui/view/eval.py
@@ -45,7 +45,7 @@ def build(manager):
     )
     default_eval_logging_dir = config.get_default_user_dict("eval", "logging_dir")
 
-    with gr.Tab() as eval_tab:
+    with gr.Tab("eval_tab") as eval_tab:
         with gr.Row():
             eval_dataset_path = gr.Textbox(
                 value=default_eval_dataset_path,
diff --git a/erniekit/webui/view/export.py b/erniekit/webui/view/export.py
index b645dd411..409c177c2 100644
--- a/erniekit/webui/view/export.py
+++ b/erniekit/webui/view/export.py
@@ -32,7 +32,7 @@ def build(manager):
 
     default_max_shard_size = config.get_default_user_dict("export", "max_shard_size")
 
-    with gr.Tab() as export_tab:
+    with gr.Tab("export_tab") as export_tab:
         with gr.Row():
             max_shard_size = gr.Slider(
                 minimum=1,
diff --git a/erniekit/webui/view/train.py b/erniekit/webui/view/train.py
index d647967b9..0f5240642 100644
--- a/erniekit/webui/view/train.py
+++ b/erniekit/webui/view/train.py
@@ -124,7 +124,7 @@ def build(manager):
     )
     default_train_text_dataset = config.get_default_user_dict("train", "text_dataset")
 
-    with gr.Tab() as train_tab:
+    with gr.Tab("train_tab") as train_tab:
         with gr.Row():
             best_config = gr.Dropdown(
                 choices=config.get_choices_kwargs("best_config"),
diff --git a/erniekit/webui/webui.py b/erniekit/webui/webui.py
index b88886bc9..1143381a2 100644
--- a/erniekit/webui/webui.py
+++ b/erniekit/webui/webui.py
@@ -16,6 +16,7 @@
 The startup interface of ErnieKit WebUI
 """
 
+import os
 import resource
 import sys
 from pathlib import Path
@@ -36,6 +37,21 @@
 logging.getLogger("httpx").setLevel(logging.WARNING)
 
 
+def is_env_enabled(env_name: str) -> bool:
+    """Check if environment variables are enabled"""
+    return os.getenv(env_name, "").lower() in ["true", "1", "yes"]
+
+
+def fix_proxy(ipv6_enabled: bool = False) -> None:
+    """Fix Gradio UI proxy settings to prevent local connections from being disrupted by proxies"""
+    os.environ["no_proxy"] = "localhost,127.0.0.1,0.0.0.0"
+    if ipv6_enabled:
+        os.environ.pop("http_proxy", None)
+        os.environ.pop("HTTP_PROXY", None)
+        os.environ.pop("https_proxy", None)
+        os.environ.pop("HTTPS_PROXY", None)
+
+
 def create_ui():
     with gr.Blocks(title="ErnieKit WebUI", theme=gr.themes.Ocean()) as demo:
         gr.HTML(f"<style>{CSS}</style>")
@@ -55,14 +71,22 @@ def create_ui():
             manager.setup_language_switching(language, demo, alert)
 
         manager.setup_component_tracking(demo)
-
     return demo
 
 
 def run_webui():
+    # Read environment variable configuration
+    gradio_ipv6 = is_env_enabled("GRADIO_IPV6")
+    gradio_share = is_env_enabled("GRADIO_SHARE")
+    server_name = os.getenv("GRADIO_SERVER_NAME", "[::]" if gradio_ipv6 else "0.0.0.0")
+
+    # Fix proxy settings to avoid network interference
+    fix_proxy(ipv6_enabled=gradio_ipv6)
+
     print("Starting ErnieKit WebUI")
+
     demo = create_ui()
-    demo.queue().launch(server_name="0.0.0.0", share=False)
+    demo.queue().launch(server_name=server_name, share=gradio_share, inbrowser=True)
 
 
 if __name__ == "__main__":
diff --git a/requirements/gpu/requirements.txt b/requirements/gpu/requirements.txt
index c4316e081..1e56eaf23 100644
--- a/requirements/gpu/requirements.txt
+++ b/requirements/gpu/requirements.txt
@@ -4,11 +4,11 @@ decord
 moviepy
 GPUtil
 openai
-gradio
+gradio==5.42.0
 opencv-python==4.5.5.64
 imgaug==0.4.0
 triton==3.3
 use-triton-in-paddle
 tensorboardX
 ujson
-einops
\ No newline at end of file
+einops