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 9566a3f7b2dbda633d7333dc890565006d2c570c..4ba9487931eff605a3014c4b95aa23f432fff285 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
@@ -91,7 +91,7 @@ Optimizer:
 
 PostProcess:
   name: DistillationDBPostProcess
-  model_name: ["Student", "Student2"]
+  model_name: ["Student"]
   key: head_out
   thresh: 0.3
   box_thresh: 0.6