diff --git a/python/demo.py b/python/demo.py
index 55a84a0..5e5d6f7 100644
--- a/python/demo.py
+++ b/python/demo.py
@@ -12,7 +12,7 @@ from rapidocr_onnxruntime import RapidOCR, VisRes
 engine = RapidOCR()
 vis = VisRes()
 
-image_path = "tests/test_files/test_without_det.png"
+image_path = "tests/test_files/test_without_det.jpg"
 with open(image_path, "rb") as f:
     img = f.read()
 
diff --git a/python/rapidocr_onnxruntime/config.yaml b/python/rapidocr_onnxruntime/config.yaml
index a8da9cc..3fa09e1 100644
--- a/python/rapidocr_onnxruntime/config.yaml
+++ b/python/rapidocr_onnxruntime/config.yaml
@@ -7,6 +7,8 @@ Global:
     min_height: 30
     width_height_ratio: 8
 
+    use_cuda: &use_cuda false
+
     intra_op_num_threads: &intra_nums -1
     inter_op_num_threads: &inter_nums -1
 
@@ -14,7 +16,7 @@ Det:
     intra_op_num_threads: *intra_nums
     inter_op_num_threads: *inter_nums
 
-    use_cuda: false
+    use_cuda: *use_cuda
 
     model_path: models/ch_PP-OCRv4_det_infer.onnx
 
@@ -32,7 +34,7 @@ Cls:
     intra_op_num_threads: *intra_nums
     inter_op_num_threads: *inter_nums
 
-    use_cuda: false
+    use_cuda: *use_cuda
 
     model_path: models/ch_ppocr_mobile_v2.0_cls_infer.onnx
 
@@ -45,7 +47,7 @@ Rec:
     intra_op_num_threads: *intra_nums
     inter_op_num_threads: *inter_nums
 
-    use_cuda: false
+    use_cuda: *use_cuda
 
     model_path: models/ch_PP-OCRv4_rec_infer.onnx