diff --git a/examples/aishell/asr0/conf/deepspeech2.yaml b/examples/aishell/asr0/conf/deepspeech2.yaml
index ec9e02b66d45cd54e582dae6c615421169b41fbf..fb69986474b853e81290623f066fc1c148533cf9 100644
--- a/examples/aishell/asr0/conf/deepspeech2.yaml
+++ b/examples/aishell/asr0/conf/deepspeech2.yaml
@@ -54,9 +54,9 @@ ctc_grad_norm_type: instance
 ###########################################
 n_epoch: 80
 accum_grad: 1
-lr: 2e-3
+lr: 2.0e-3
 lr_decay: 0.83
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 3.0
 log_interval: 100
 checkpoint:
diff --git a/examples/aishell/asr0/conf/deepspeech2_online.yaml b/examples/aishell/asr0/conf/deepspeech2_online.yaml
index 05594e2d7b9bed3c4cb641072a2674e9adfa0421..ef01ac595e12ea67a582cf1057f333e8b21e4741 100644
--- a/examples/aishell/asr0/conf/deepspeech2_online.yaml
+++ b/examples/aishell/asr0/conf/deepspeech2_online.yaml
@@ -56,9 +56,9 @@ blank_id: 0
 ###########################################
 n_epoch: 65
 accum_grad: 1
-lr: 5e-4
+lr: 5.0e-4
 lr_decay: 0.93
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 3.0
 log_interval: 100
 checkpoint:
diff --git a/examples/librispeech/asr0/conf/deepspeech2.yaml b/examples/librispeech/asr0/conf/deepspeech2.yaml
index 0b0a1550dbd5955897e5e3972152065857b4f1cb..0307b9f39ecee66d75fe3a0e3e81651e5f23518b 100644
--- a/examples/librispeech/asr0/conf/deepspeech2.yaml
+++ b/examples/librispeech/asr0/conf/deepspeech2.yaml
@@ -55,9 +55,9 @@ blank_id: 0
 ###########################################
 n_epoch: 50
 accum_grad: 1
-lr: 1e-3
+lr: 1.0e-3
 lr_decay: 0.83
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 5.0
 log_interval: 100
 checkpoint:
diff --git a/examples/librispeech/asr0/conf/deepspeech2_online.yaml b/examples/librispeech/asr0/conf/deepspeech2_online.yaml
index 8bd5a67275bb4860140ddb26f00731a26c40ac43..a0d2bcfe277e84852f3f8526a5cb6a35dee88079 100644
--- a/examples/librispeech/asr0/conf/deepspeech2_online.yaml
+++ b/examples/librispeech/asr0/conf/deepspeech2_online.yaml
@@ -57,9 +57,9 @@ blank_id: 0
 ###########################################
 n_epoch: 50
 accum_grad: 4
-lr: 1e-3
+lr: 1.0e-3
 lr_decay: 0.83
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 5.0
 log_interval: 100
 checkpoint:
diff --git a/examples/tiny/asr0/conf/deepspeech2.yaml b/examples/tiny/asr0/conf/deepspeech2.yaml
index 2cc4483eb9b1be89449005ed7a80f04c1f0b1128..64d432e2603c87eb9c77a197dc1be8b25378b5dd 100644
--- a/examples/tiny/asr0/conf/deepspeech2.yaml
+++ b/examples/tiny/asr0/conf/deepspeech2.yaml
@@ -55,9 +55,9 @@ blank_id: 0
 ###########################################
 n_epoch: 5
 accum_grad: 1
-lr: 1e-5 
+lr: 1.0e-5 
 lr_decay: 0.8 
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 5.0
 log_interval: 1
 checkpoint:
diff --git a/examples/tiny/asr0/conf/deepspeech2_online.yaml b/examples/tiny/asr0/conf/deepspeech2_online.yaml
index 3bd4f63502e15910fef2c6280e85d087faccbcaf..74a4dc814d5f3183d0dc1b99994564850b801885 100644
--- a/examples/tiny/asr0/conf/deepspeech2_online.yaml
+++ b/examples/tiny/asr0/conf/deepspeech2_online.yaml
@@ -57,9 +57,9 @@ blank_id: 0
 ###########################################
 n_epoch: 5
 accum_grad: 1
-lr: 1e-5 
+lr: 1.0e-5 
 lr_decay: 1.0 
-weight_decay: 1e-06
+weight_decay: 1.0e-6
 global_grad_clip: 5.0
 log_interval: 1
 checkpoint:
diff --git a/examples/wenetspeech/asr1/local/data.sh b/examples/wenetspeech/asr1/local/data.sh
index 7dd478d193c199df9d4d025006d9392668be0546..d216dd84abbf1fb0604ba4095d1833315e70a016 100755
--- a/examples/wenetspeech/asr1/local/data.sh
+++ b/examples/wenetspeech/asr1/local/data.sh
@@ -96,7 +96,7 @@ if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
     python3 ${MAIN_ROOT}/utils/build_vocab.py \
     --unit_type="char" \
     --count_threshold=0 \
-    --vocab_path="data/vocab.txt" \
+    --vocab_path="data/lang_char/vocab.txt" \
     --manifest_paths "data/manifest.train.raw"
 
     if [ $? -ne 0 ]; then