diff --git a/examples/aishell/s0/local/download_lm_ch.sh b/examples/aishell/s0/local/download_lm_ch.sh
index ac27a907..7d20297f 100755
--- a/examples/aishell/s0/local/download_lm_ch.sh
+++ b/examples/aishell/s0/local/download_lm_ch.sh
@@ -9,12 +9,13 @@ URL='https://deepspeech.bj.bcebos.com/zh_lm/zh_giga.no_cna_cmn.prune01244.klm'
 MD5="29e02312deb2e59b3c8686c7966d4fe3"
 TARGET=${DIR}/zh_giga.no_cna_cmn.prune01244.klm
 
-
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/aishell/s0/local/test.sh b/examples/aishell/s0/local/test.sh
index d539ac49..2ae0740b 100755
--- a/examples/aishell/s0/local/test.sh
+++ b/examples/aishell/s0/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_ch.sh > /dev/null 2>&1
+bash local/download_lm_ch.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi
diff --git a/examples/librispeech/s0/local/download_lm_en.sh b/examples/librispeech/s0/local/download_lm_en.sh
index dc1bdf66..390fffc9 100755
--- a/examples/librispeech/s0/local/download_lm_en.sh
+++ b/examples/librispeech/s0/local/download_lm_en.sh
@@ -9,11 +9,13 @@ URL=https://deepspeech.bj.bcebos.com/en_lm/common_crawl_00.prune01111.trie.klm
 MD5="099a601759d467cd0a8523ff939819c5"
 TARGET=${DIR}/common_crawl_00.prune01111.trie.klm
 
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/librispeech/s0/local/test.sh b/examples/librispeech/s0/local/test.sh
index 25dd0437..4d00f30b 100755
--- a/examples/librispeech/s0/local/test.sh
+++ b/examples/librispeech/s0/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_en.sh > /dev/null 2>&1
+bash local/download_lm_en.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi
diff --git a/examples/other/1xt2x/aishell/local/download_lm_ch.sh b/examples/other/1xt2x/aishell/local/download_lm_ch.sh
index ac27a907..47153f4b 100755
--- a/examples/other/1xt2x/aishell/local/download_lm_ch.sh
+++ b/examples/other/1xt2x/aishell/local/download_lm_ch.sh
@@ -10,11 +10,13 @@ MD5="29e02312deb2e59b3c8686c7966d4fe3"
 TARGET=${DIR}/zh_giga.no_cna_cmn.prune01244.klm
 
 
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/other/1xt2x/aishell/local/test.sh b/examples/other/1xt2x/aishell/local/test.sh
index d539ac49..2ae0740b 100755
--- a/examples/other/1xt2x/aishell/local/test.sh
+++ b/examples/other/1xt2x/aishell/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_ch.sh > /dev/null 2>&1
+bash local/download_lm_ch.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi
diff --git a/examples/other/1xt2x/baidu_en8k/local/download_lm_en.sh b/examples/other/1xt2x/baidu_en8k/local/download_lm_en.sh
index dc1bdf66..390fffc9 100755
--- a/examples/other/1xt2x/baidu_en8k/local/download_lm_en.sh
+++ b/examples/other/1xt2x/baidu_en8k/local/download_lm_en.sh
@@ -9,11 +9,13 @@ URL=https://deepspeech.bj.bcebos.com/en_lm/common_crawl_00.prune01111.trie.klm
 MD5="099a601759d467cd0a8523ff939819c5"
 TARGET=${DIR}/common_crawl_00.prune01111.trie.klm
 
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/other/1xt2x/baidu_en8k/local/test.sh b/examples/other/1xt2x/baidu_en8k/local/test.sh
index 25dd0437..4d00f30b 100755
--- a/examples/other/1xt2x/baidu_en8k/local/test.sh
+++ b/examples/other/1xt2x/baidu_en8k/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_en.sh > /dev/null 2>&1
+bash local/download_lm_en.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi
diff --git a/examples/other/1xt2x/librispeech/local/download_lm_en.sh b/examples/other/1xt2x/librispeech/local/download_lm_en.sh
index dc1bdf66..390fffc9 100755
--- a/examples/other/1xt2x/librispeech/local/download_lm_en.sh
+++ b/examples/other/1xt2x/librispeech/local/download_lm_en.sh
@@ -9,11 +9,13 @@ URL=https://deepspeech.bj.bcebos.com/en_lm/common_crawl_00.prune01111.trie.klm
 MD5="099a601759d467cd0a8523ff939819c5"
 TARGET=${DIR}/common_crawl_00.prune01111.trie.klm
 
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/other/1xt2x/librispeech/local/test.sh b/examples/other/1xt2x/librispeech/local/test.sh
index 25dd0437..4d00f30b 100755
--- a/examples/other/1xt2x/librispeech/local/test.sh
+++ b/examples/other/1xt2x/librispeech/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_en.sh > /dev/null 2>&1
+bash local/download_lm_en.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi
diff --git a/examples/tiny/s0/local/download_lm_en.sh b/examples/tiny/s0/local/download_lm_en.sh
index dc1bdf66..390fffc9 100755
--- a/examples/tiny/s0/local/download_lm_en.sh
+++ b/examples/tiny/s0/local/download_lm_en.sh
@@ -9,11 +9,13 @@ URL=https://deepspeech.bj.bcebos.com/en_lm/common_crawl_00.prune01111.trie.klm
 MD5="099a601759d467cd0a8523ff939819c5"
 TARGET=${DIR}/common_crawl_00.prune01111.trie.klm
 
-echo "Download language model ..."
-download $URL $MD5 $TARGET
+echo "Start downloading the language model. The language model is large, please wait for a moment ..."
+download $URL $MD5 $TARGET > /dev/null 2>&1
 if [ $? -ne 0 ]; then
     echo "Fail to download the language model!"
     exit 1
+else
+    echo "Download the language model sucessfully"
 fi
 
 
diff --git a/examples/tiny/s0/local/test.sh b/examples/tiny/s0/local/test.sh
index 25dd0437..4d00f30b 100755
--- a/examples/tiny/s0/local/test.sh
+++ b/examples/tiny/s0/local/test.sh
@@ -13,7 +13,7 @@ ckpt_prefix=$2
 model_type=$3
 
 # download language model
-bash local/download_lm_en.sh > /dev/null 2>&1
+bash local/download_lm_en.sh
 if [ $? -ne 0 ]; then
    exit 1
 fi