diff --git a/auto_eval_checkpoints.py b/auto_eval_checkpoints.py
index 869bb83..11692c0 100644
--- a/auto_eval_checkpoints.py
+++ b/auto_eval_checkpoints.py
@@ -191,17 +191,36 @@ def run_one_eval(project_dir: Path, train_script: Path, result_name: str, gpu: s
         "auto_eval",
     ]
 
-    proc = subprocess.run(
+    print(f"[INFO] Running command: {' '.join(cmd)}")
+    print(f"[INFO] CUDA_VISIBLE_DEVICES={gpu}")
+
+    proc = subprocess.Popen(
         cmd,
         cwd=str(project_dir),
         env=env,
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
         text=True,
+        bufsize=1,
+        universal_newlines=True,
     )
 
-    print(proc.stdout)
-    return proc.returncode
+    try:
+        assert proc.stdout is not None
+        for line in proc.stdout:
+            print(line, end="")
+        proc.wait()
+        return proc.returncode
+    except KeyboardInterrupt:
+        print("\n[WARN] 收到 Ctrl+C，正在终止当前测试子进程...")
+        proc.terminate()
+        try:
+            proc.wait(timeout=5)
+        except Exception:
+            print("[WARN] 子进程未及时退出，强制 kill")
+            proc.kill()
+            proc.wait()
+        raise
 
 
 def collect_epoch_rows(all_rows: List[Dict], epoch: int) -> List[Dict]: