diff --git a/gradio_ui.py b/gradio_ui.py
index 7194ffe..523639b 100644
--- a/gradio_ui.py
+++ b/gradio_ui.py
@@ -9,7 +9,7 @@ import signal
 
 # ---------------- 全局进程句柄 ----------------
 current_process = None
-
+should_stop = False
 
 # ---------------- 核心运行函数 ----------------
 def run_eval(
@@ -49,6 +49,8 @@ def run_eval(
         )
 
         for line in current_process.stdout:
+            if should_stop:
+                break
             full_output += line
             yield full_output, True, gr.update(value="Stop Evaluation")
 
@@ -96,10 +98,11 @@ def run_eval(
 
 # ---------------- 停止函数 ----------------
 def stop_eval():
-    global current_process
+    global current_process, should_stop
+    should_stop = True
     if current_process and current_process.poll() is None:
         try:
-            os.killpg(os.getpgid(current_process.pid), signal.SIGKILL)  # ✅ 杀整个进程组
+            os.killpg(os.getpgid(current_process.pid), signal.SIGKILL)
         except Exception as e:
             return f"[Error stopping process group] {e}\n"
         finally:
@@ -109,6 +112,7 @@ def stop_eval():
 
 
 
+
 # ---------------- Run/Stop 控制器 ----------------
 def toggle_run(
     inputs, native, other, output_choices,
@@ -119,7 +123,9 @@ def toggle_run(
     model_override,
     is_running
 ):
+    global should_stop  # ✅ 加上这一行
     if not is_running:
+        should_stop = False
         yield from run_eval(
             inputs, native, other, output_choices,
             api_url, api_token,