diff --git a/recommendation/ctr/dlrm/pytorch/README.md b/recommendation/ctr/dlrm/pytorch/README.md
index 0fe8df516bb2759e00085d6153675e1e1f621399..41d5345fb6b7383c5f227f7705f4b11482a64fbd 100644
--- a/recommendation/ctr/dlrm/pytorch/README.md
+++ b/recommendation/ctr/dlrm/pytorch/README.md
@@ -15,13 +15,23 @@ pip3 install -r requirements.txt && python3 ./setup.py install
 Criteo_Terabyte consists of 23 days data, as it is very large, here only take 3 days data for an example.
 
 ```shell
-# download data
+# Check gzip version
+gzip -V
+
+# If gzip version is not 1.6+, you need to install gzip 1.6
+wget https://ftp.gnu.org/gnu/gzip/gzip-1.6.tar.gz
+tar -xzf gzip-1.6.tar.gz
+cd gzip-1.6
+./configure && make install
+cd ../
+rm -rf gzip-1.6.tar.gz gzip-1.6/
+
+# Download data
 cd dlrm/data/
 bash download_and_preprocess.sh
 ```
 
-After above steps, can get files: terabyte_processed_test.bin, terabyte_processed_train.bin, terabyte_processed_val.bin.
-
+After above steps, you can get files: terabyte_processed_test.bin, terabyte_processed_train.bin, terabyte_processed_val.bin in "/home/datasets/recommendation/Criteo_Terabyte/".
 
 ## Step 3: Training
 
diff --git a/recommendation/ctr/dlrm/pytorch/dlrm/data/download_and_preprocess.sh b/recommendation/ctr/dlrm/pytorch/dlrm/data/download_and_preprocess.sh
index 3ba96afdb4c5321ba9b4cdb59ed792debf3fda10..ba742d6f4813d2ee8c25f12d467eb09732e2dc78 100644
--- a/recommendation/ctr/dlrm/pytorch/dlrm/data/download_and_preprocess.sh
+++ b/recommendation/ctr/dlrm/pytorch/dlrm/data/download_and_preprocess.sh
@@ -9,7 +9,7 @@ echo 'download files ...'
 
 if [ ! -f "day_0" ];then
 echo 'download day_0 ...'
-curl -O https://storage.googleapis.com/criteo-cail-datasets/day_0.gz
+wget -c https://sacriteopcail01.z16.web.core.windows.net/day_0.gz
 gzip -dk day_0.gz
 else
 echo "day_0 has already exist"
@@ -17,7 +17,7 @@ fi
 
 if [ ! -f "day_1" ];then
 echo 'download day_1 ...'
-curl -O https://storage.googleapis.com/criteo-cail-datasets/day_1.gz
+wget -c https://sacriteopcail01.z16.web.core.windows.net/day_1.gz
 gzip -dk day_1.gz
 else
 echo "day_1 has already exist"
@@ -25,7 +25,7 @@ fi
 
 if [ ! -f "day_2" ];then
 echo 'download day_2 ...'
-curl -O https://storage.googleapis.com/criteo-cail-datasets/day_2.gz
+wget -c https://sacriteopcail01.z16.web.core.windows.net/day_2.gz
 gzip -dk day_2.gz
 else
 echo "day_2 has already exist"