diff --git a/tools/infer_rec.py b/tools/infer_rec.py
index cf49348fa61be2e1ee2523f3fb9224df5d4990f2..36f570b966218317fe490565da8d9b0d46e9bea3 100755
--- a/tools/infer_rec.py
+++ b/tools/infer_rec.py
@@ -37,7 +37,7 @@ from ppocr.utils.save_load import init_model
 from ppocr.utils.utility import get_image_file_list
 import tools.program as program
 
-
+@paddle.no_grad()
 def main():
     global_config = config['Global']