diff --git a/python/examples/ocr/det_web_server.py b/python/examples/ocr/det_web_server.py
index 454e96869d68c80a3522f2706c4d5486fb98b645..dd69be0c70eb0f4dd627aa47ad33045a204f78c0 100644
--- a/python/examples/ocr/det_web_server.py
+++ b/python/examples/ocr/det_web_server.py
@@ -66,7 +66,7 @@ class OCRService(WebService):
 ocr_service = OCRService(name="ocr")
 ocr_service.load_model_config("ocr_det_model")
 ocr_service.set_gpus("0")
-ocr_service.prepare_server(workdir="workdir", port=8900, device="gpu", gpuid=0)
+ocr_service.prepare_server(workdir="workdir", port=9292, device="gpu", gpuid=0)
 ocr_service.init_det()
 ocr_service.run_rpc_service()
 ocr_service.run_web_service()