diff --git a/configs/det/ch_PP-OCRv2/ch_PP-OCR_det_distill.yml b/configs/det/ch_PP-OCRv2/ch_PP-OCR_det_distill.yml
index 46daeeb86d004772a6fb964d602369dcd53b3a01..d8d5135dd73ee438f76f5796b63e0dae4331402b 100644
--- a/configs/det/ch_PP-OCRv2/ch_PP-OCR_det_distill.yml
+++ b/configs/det/ch_PP-OCRv2/ch_PP-OCR_det_distill.yml
@@ -90,7 +90,7 @@ Optimizer:
 
 PostProcess:
   name: DistillationDBPostProcess
-  model_name: ["Student", "Student2"]
+  model_name: ["Student"]
   key: head_out
   thresh: 0.3
   box_thresh: 0.6