diff --git a/tools/infer/predict_det.py b/tools/infer/predict_det.py
index 21f9bf90b9546dfb86266a07683d4af1200d53fa..942e23643887568678a8f5cb32c486e18866c201 100755
--- a/tools/infer/predict_det.py
+++ b/tools/infer/predict_det.py
@@ -200,4 +200,4 @@ if __name__ == "__main__":
         logger.info("The visualized img saved in {}".format(
             os.path.join(draw_img_save, "det_res_%s" % img_name_pure)))
     if count > 1:
-        logger.info("Avg Time:", total_time / (count - 1))
+        logger.info("Avg Time: {}".format(total_time / (count - 1)))