diff --git a/examples/csmsc/voc5/README.md b/examples/csmsc/voc5/README.md
index be06f830c114e6efb34970a84e572d0e1e92a9c0..21afe6eefad51678568b0b7ab961ceffe33ac779 100644
--- a/examples/csmsc/voc5/README.md
+++ b/examples/csmsc/voc5/README.md
@@ -125,8 +125,8 @@ HiFiGAN checkpoint contains files listed below.
 ```text
 hifigan_csmsc_ckpt_0.1.1
 ├── default.yaml                  # default config used to train hifigan
-├── feats_stats.npy                  # generator parameters of hifigan
-└── snapshot_iter_2500000.pdz     # statistics used to normalize spectrogram when training hifigan
+├── feats_stats.npy                  # statistics used to normalize spectrogram when training hifigan
+└── snapshot_iter_2500000.pdz     # generator parameters of hifigan
 ```
 
 ## Acknowledgement
diff --git a/examples/ted_en_zh/st1/local/test.sh b/examples/ted_en_zh/st1/local/test.sh
index be6f25f9604d5e1d201e4d3146baff376e5f64aa..904f95c4a273b2af77e50d5a7c682202abd02397 100755
--- a/examples/ted_en_zh/st1/local/test.sh
+++ b/examples/ted_en_zh/st1/local/test.sh
@@ -20,7 +20,7 @@ for type in fullsentence; do
     --decode_cfg ${decode_config_path} \
     --result_file ${ckpt_prefix}.${type}.rsl \
     --checkpoint_path ${ckpt_prefix} \
-    --opts decoding.decoding_method ${type} \
+    --opts decode.decoding_method ${type} \
 
     if [ $? -ne 0 ]; then
         echo "Failed in evaluation!"
diff --git a/examples/ted_en_zh/st1/run.sh b/examples/ted_en_zh/st1/run.sh
index 67309919f4bbec0ce19758fc9c2afcbef32b9a9e..1808e37b431402452a67d716b33038ec9ea25007 100755
--- a/examples/ted_en_zh/st1/run.sh
+++ b/examples/ted_en_zh/st1/run.sh
@@ -28,7 +28,7 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     if [ -n "${ckpt_path}" ]; then
         echo "Finetune from Pretrained Model" ${ckpt_path}
         ./local/download_pretrain.sh || exit -1
-    fi 
+    fi
     CUDA_VISIBLE_DEVICES=${gpus} ./local/train.sh ${conf_path} ${ckpt} "${ckpt_path}"
 fi
 
@@ -39,5 +39,5 @@ fi
 
 if [ ${stage} -le 3 ] && [ ${stop_stage} -ge 3 ]; then
     # test ckpt avg_n
-    CUDA_VISIBLE_DEVICES=0 ./local/test.sh ${conf_path} ${decode_conf_pat} exp/${ckpt}/checkpoints/${avg_ckpt} || exit -1
-fi
\ No newline at end of file
+    CUDA_VISIBLE_DEVICES=0 ./local/test.sh ${conf_path} ${decode_conf_path} exp/${ckpt}/checkpoints/${avg_ckpt} || exit -1
+fi
diff --git a/paddlespeech/s2t/exps/u2/config.py b/paddlespeech/s2t/exps/u2/config.py
deleted file mode 100644
index 44780d2e8300bd137e1d65c284490f1a745d0b38..0000000000000000000000000000000000000000
--- a/paddlespeech/s2t/exps/u2/config.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-from yacs.config import CfgNode
-
-from paddlespeech.s2t.exps.u2.model import U2Tester
-from paddlespeech.s2t.exps.u2.model import U2Trainer
-from paddlespeech.s2t.io.collator import SpeechCollator
-from paddlespeech.s2t.io.dataset import ManifestDataset
-from paddlespeech.s2t.models.u2 import U2Model
-
-_C = CfgNode(new_allowed=True)
-
-# ManifestDataset.params(_C)
-
-# SpeechCollator.params(_C)
-
-# U2Model.params(_C)
-
-# U2Trainer.params(_C)
-
-# _C.decode = U2Tester.params()
-
-
-def get_cfg_defaults():
-    """Get a yacs CfgNode object with default values for my_project."""
-    # Return a clone so that the defaults will not be altered
-    # This is for the "local variable" use pattern
-    config = _C.clone()
-    config.set_new_allowed(True)
-    return config