diff --git a/scripts/start.sh b/scripts/start.sh
index 51d674b..33a5a6c 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -35,10 +35,12 @@ if [ $? -ne 0 ]; then
     pip uninstall -y -q opencv-python 2>/dev/null || true
     pip install -q -i https://pypi.tuna.tsinghua.edu.cn/simple "opencv-python-headless>=4.8,<5"  # 5.x wheel 无 cv2 模块，锁定 4.x
 
-    # pip 24.0 解压 abi3 wheel 偶发丢根文件（4.14.0.94 实测 site-packages/cv2 只剩子目录，
-    # cv2.abi3.so / __init__.py 缺失 → import cv2 成空壳，OCR 全挂）→ 空壳检测 + wheel 手动解压兜底（幂等）
+    # pip 24.0 解压 abi3 wheel 偶发丢根文件（site-packages/cv2 只剩子目录，
+    # cv2.abi3.so / __init__.py 缺失 → import cv2 成空壳，OCR 全挂）。
+    # 手动解压兜底在部分环境修不好（解压后仍无 cv2.__version__），
+    # 实测 pip --force-reinstall 完整安装有效（220 验证 cv2 4.14.0 恢复）。
     python3 - <<'PY'
-import glob, os, shutil, site, subprocess, sys, zipfile
+import subprocess, sys
 
 def cv2_ok():
     try:
@@ -49,20 +51,14 @@ def cv2_ok():
 
 if cv2_ok():
     sys.exit(0)
-print("cv2 空壳，wheel 手动解压修复...")
-r = subprocess.run(["pip", "download", "--no-deps", "-q",
+print("cv2 异常，pip 强制重装 opencv-python-headless...")
+r = subprocess.run(["pip", "install", "--force-reinstall", "-q",
                     "-i", "https://pypi.tuna.tsinghua.edu.cn/simple",
-                    "-d", "/tmp/ocv", "opencv-python-headless>=4.8,<5"], capture_output=True)
-if r.returncode != 0:
-    sys.exit(1)
-w = sorted(glob.glob("/tmp/ocv/opencv_python_headless*.whl"))[-1]
-with zipfile.ZipFile(w) as z:
-    z.extractall("/tmp/ocv")
-dst = os.path.join(site.getsitepackages()[0], "cv2")
-shutil.rmtree(dst, ignore_errors=True)
-shutil.copytree("/tmp/ocv/cv2", dst)
-import cv2
-print(f"cv2 {cv2.__version__} 手动解压修复完成")
+                    "opencv-python-headless>=4.8,<5"])
+if r.returncode == 0:
+    import cv2
+    print(f"cv2 {cv2.__version__} 重装修复完成")
+sys.exit(r.returncode)
 PY
 else
     echo "[start] 依赖已就绪（cv2 $(python3 -c 'import cv2; print(cv2.__version__)' 2>/dev/null)），跳过安装"