diff --git a/gradio_ui.py b/gradio_ui.py
index 7fde4e9..b3c3fa3 100644
--- a/gradio_ui.py
+++ b/gradio_ui.py
@@ -1,17 +1,37 @@
 import gradio as gr
+import subprocess
 
 def run_eval(inputs, native, other, outputs, api_url, api_token):
-    result = (
-        f"\n[Eval Started]\n"
-        f"Inputs: {inputs}\n"
-        f"API URL: {api_url}\n"
-        f"API Token: {api_token}\n"
-        f"Native Modules: {native}\n"
-        f"Other Backends: {other}\n"
-        f"Outputs: {outputs}\n"
-        f"[Eval Finished]"
-    )
-    return result
+    # 构造命令
+    command = [
+        "evalscope", "perf",
+        "--parallel", "20",
+        "--model", "Qwen2.5-0.5B-Instruct",
+        "--url", api_url.strip(),
+        "--api", "openai",
+        "--token", api_token.strip(),
+        "--dataset", "random",
+        "--min-tokens", "128",
+        "--max-tokens", "128",
+        "--prefix-length", "64",
+        "--min-prompt-length", "1024",
+        "--max-prompt-length", "2048",
+        "--number", "100",
+        "--tokenizer-path", "Qwen/Qwen2.5-0.5B-Instruct",
+        "--debug"
+    ]
+
+    # 执行并流式输出
+    yield "[Eval Started]\n"
+    try:
+        process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True, bufsize=1)
+        for line in process.stdout:
+            yield line
+        process.stdout.close()
+        process.wait()
+    except Exception as e:
+        yield f"[Error] {str(e)}\n"
+    yield "[Eval Finished]"
 
 def enforce_input_exclusive_and_toggle_fields(selected):
     group1 = {"API Models", "Local Models"}
@@ -19,7 +39,7 @@ def enforce_input_exclusive_and_toggle_fields(selected):
 
     def keep_only_one(group):
         filtered = [item for item in selected if item in group]
-        return filtered[-1:]  # 保留最后一个
+        return filtered[-1:]
 
     final_selection = set(selected)
     final_selection -= group1
@@ -32,7 +52,7 @@ def enforce_input_exclusive_and_toggle_fields(selected):
 
     return (
         gr.update(value=list(final_selection)),
-        gr.Row.update(visible=show_api_fields)  # ✅ 用 Row 的更新
+        gr.Row.update(visible=show_api_fields)
     )
 
 with gr.Blocks(title="EvalScope 全功能界面") as demo:
@@ -68,9 +88,8 @@ with gr.Blocks(title="EvalScope 全功能界面") as demo:
         )
 
     run_button = gr.Button("Run Evaluation")
-    output_text = gr.Textbox(label="执行结果", lines=10)
+    output_text = gr.Textbox(label="执行结果", lines=20, interactive=False)
 
-    # ✅ 绑定变化，更新互斥选项与 API 表单显示
     input_choices.change(
         fn=enforce_input_exclusive_and_toggle_fields,
         inputs=input_choices,
@@ -78,16 +97,10 @@ with gr.Blocks(title="EvalScope 全功能界面") as demo:
     )
 
     run_button.click(
-        run_eval,
-        inputs=[
-            input_choices,
-            native_choices,
-            other_choices,
-            output_choices,
-            api_url_input,
-            api_token_input
-        ],
-        outputs=output_text
+        fn=run_eval,
+        inputs=[input_choices, native_choices, other_choices, output_choices, api_url_input, api_token_input],
+        outputs=output_text,
+        show_progress=True
     )
 
 if __name__ == '__main__':