diff --git a/utils/get_image.py b/utils/get_image.py
index 9b1ef83..6366d8f 100644
--- a/utils/get_image.py
+++ b/utils/get_image.py
@@ -154,7 +154,6 @@ class GetImage:
             except Exception as e:
                 # 只在异常时打印错误
                 throttle(f"cap_read_err_{self.cam_index}", 2.0, logging.WARNING, f"⚠️ 采集卡 {self.cam_index} 读取异常: {e}")
-                import time
                 time.sleep(0.1)  # 出错时短暂延迟
 
     def get_frame(self):