diff --git a/deploy/cpp_infer/tools/config.txt b/deploy/cpp_infer/tools/config.txt
index 2c559163..6cb5644d 100644
--- a/deploy/cpp_infer/tools/config.txt
+++ b/deploy/cpp_infer/tools/config.txt
@@ -2,7 +2,7 @@
 use_gpu  0
 gpu_id  0
 gpu_mem  4000
-cpu_math_library_num_threads  1
+cpu_math_library_num_threads  10
 
 # det config
 max_side_len  960
@@ -17,5 +17,5 @@ char_list_file ../../ppocr/utils/ppocr_keys_v1.txt
 img_path  ../../doc/imgs/11.jpg
 
 # show the detection results
-visualize 1
+visualize 0
 
diff --git a/deploy/cpp_infer/tools/run.sh b/deploy/cpp_infer/tools/run.sh
index 052b363b..fa61da75 100755
--- a/deploy/cpp_infer/tools/run.sh
+++ b/deploy/cpp_infer/tools/run.sh
@@ -1,2 +1,2 @@
 
-./build/ocr_system ./tools/config.txt ../../doc/imgs/6.jpg
+./build/ocr_system ./tools/config.txt ../../doc/imgs/12.jpg
diff --git a/deploy/imgs/cpp_infer_pred_12.png b/deploy/imgs/cpp_infer_pred_12.png
index 0ed85a31..eb5f64e1 100644
Binary files a/deploy/imgs/cpp_infer_pred_12.png and b/deploy/imgs/cpp_infer_pred_12.png differ