diff --git a/deploy/pdserving/win/ocr_web_server.py b/deploy/pdserving/win/ocr_web_server.py
index 1f1394fb72acebe58ef5b2a03bf27cd25838c536..9fc94901295d2470a4a16289b67daf0a6cbdc52a 100644
--- a/deploy/pdserving/win/ocr_web_server.py
+++ b/deploy/pdserving/win/ocr_web_server.py
@@ -42,7 +42,7 @@ class OCRService(WebService):
         self.det_client = LocalPredictor()
         if sys.argv[1] == 'gpu':
             self.det_client.load_model_config(
-                det_model_config, use_gpu=True, gpu_id=1)
+                det_model_config, use_gpu=True, gpu_id=0)
         elif sys.argv[1] == 'cpu':
             self.det_client.load_model_config(det_model_config)
         self.ocr_reader = OCRReader(