diff --git a/photo_review/__init__.py b/photo_review/__init__.py
index 96b2fdf..36d94f2 100644
--- a/photo_review/__init__.py
+++ b/photo_review/__init__.py
@@ -69,4 +69,4 @@ DISCHARGE_IE = Taskflow("information_extraction", schema=DISCHARGE_RECORD_SCHEMA
 COST_IE = Taskflow("information_extraction", schema=COST_LIST_SCHEMA, model="uie-x-base", device_id=1,
                    task_path="model/cost_list_model", layout_analysis=LAYOUT_ANALYSIS, precision='fp16')
 
-OCR = PaddleOCR(use_angle_cls=False, lang="ch", show_log=False, gpu_id=1)
+OCR = PaddleOCR(use_angle_cls=False, show_log=False, gpu_id=1, det_db_box_thresh=0.3)