diff --git a/configs/rec/ch_ppocr_v2.0/rec_chinese_lite_train_distillation_v2.1.yml b/configs/rec/ch_ppocr_v2.0/rec_chinese_lite_train_distillation_v2.1.yml
index 8e8acd8b107384dd79ed28b8d3588ff0e76b3679..016788ea72be3d9b4536c0c410354449c7de84ae 100644
--- a/configs/rec/ch_ppocr_v2.0/rec_chinese_lite_train_distillation_v2.1.yml
+++ b/configs/rec/ch_ppocr_v2.0/rec_chinese_lite_train_distillation_v2.1.yml
@@ -19,6 +19,7 @@ Global:
   infer_mode: false
   use_space_char: false
   distributed: true
+  save_res_path: ./output/rec/predicts_chinese_lite_distillation_v2.1.txt
 
 
 Optimizer:
@@ -98,7 +99,7 @@ Loss:
 
 PostProcess:
   name: DistillationCTCLabelDecode
-  model_name: ["Student"]
+  model_name: ["Student", "Teacher"]
   key: head_out
 
 Metric:
diff --git a/tools/infer_rec.py b/tools/infer_rec.py
index 6bd8f1429072e533e8c449c8c8a439ed51f521a3..6894207d4bb7eaa2aa84f4a0a30ee878d389b5cc 100755
--- a/tools/infer_rec.py
+++ b/tools/infer_rec.py
@@ -20,6 +20,7 @@ import numpy as np
 
 import os
 import sys
+import json
 
 __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(__dir__)
@@ -113,11 +114,23 @@ def main():
             else:
                 preds = model(images)
             post_result = post_process_class(preds)
-            for rec_reuslt in post_result:
-                logger.info('\t result: {}'.format(rec_reuslt))
-                if len(rec_reuslt) >= 2:
-                    fout.write(file + "\t" + rec_reuslt[0] + "\t" + str(
-                        rec_reuslt[1]) + "\n")
+            info = None
+            if isinstance(post_result, dict):
+                rec_info = dict()
+                for key in post_result:
+                    if len(post_result[key][0]) >= 2:
+                        rec_info[key] = {
+                            "label": post_result[key][0][0],
+                            "score": post_result[key][0][1],
+                        }
+                info = json.dumps(rec_info)
+            else:
+                if len(post_result[0]) >= 2:
+                    info = post_result[0][0] + "\t" + str(post_result[0][1])
+
+            if info is not None:
+                logger.info("\t result: {}".format(info))
+                fout.write(file + "\t" + info)
     logger.info("success!")