diff --git a/tools/infer/predict_det.py b/tools/infer/predict_det.py
index 5c6d6d4233fa4b4b465a154a47f44c995933a37b..c6bdbf5c1cec6122181a3d7e34279b38a55d4789 100755
--- a/tools/infer/predict_det.py
+++ b/tools/infer/predict_det.py
@@ -34,7 +34,6 @@ from ppocr.postprocess import build_post_process
 # import tools.infer.benchmark_utils as benchmark_utils
 
 logger = get_logger()
-import auto_log
 
 
 class TextDetector(object):
@@ -102,6 +101,7 @@ class TextDetector(object):
             args, 'det', logger)
 
         if args.benchmark:
+            import auto_log
             pid = os.getpid()
             self.autolog = auto_log.AutoLogger(
                 model_name="det",