diff --git a/dm/tests/README.md b/dm/tests/README.md
index bcdf3297be..1f3f8a6715 100644
--- a/dm/tests/README.md
+++ b/dm/tests/README.md
@@ -3,7 +3,7 @@
 
 1. The following executables must be copied or generated or linked into these locations.
 
-    * `bin/tidb-server` can be downloaded from [tidb-master-linux-amd64](https://download.pingcap.org/tidb-master-linux-amd64.tar.gz) or installed by [tiup](https://github.com/pingcap/tiup), you can use the command `find ~/.tiup -name tidb-server` to locate `tidb-server` binary file and copy it
+    * `bin/tidb-server` can be downloaded from [tidb-master-linux-amd64](https://download.pingcap.com/tidb-master-linux-amd64.tar.gz) or installed by [tiup](https://github.com/pingcap/tiup), you can use the command `find ~/.tiup -name tidb-server` to locate `tidb-server` binary file and copy it
     * `bin/sync_diff_inspector` # generated by `make dm_integration_test_build`
     * `bin/minio` can be build from (https://github.com/minio/minio)
     * `bin/dm-master.test` # generated by `make dm_integration_test_build`
diff --git a/dm/tests/download-compatibility-test-binaries.sh b/dm/tests/download-compatibility-test-binaries.sh
index e71a740ccd..c17c98cf8c 100755
--- a/dm/tests/download-compatibility-test-binaries.sh
+++ b/dm/tests/download-compatibility-test-binaries.sh
@@ -77,7 +77,7 @@ main() {
 	# Define download URLs
 	local download_urls=(
 		"${FILE_SERVER_URL}/download/builds/pingcap/tidb/${tidb_sha1}/centos7/tidb-server.tar.gz"
-		"http://download.pingcap.org/tidb-enterprise-tools-latest-linux-amd64.tar.gz"
+		"http://download.pingcap.com/tidb-enterprise-tools-latest-linux-amd64.tar.gz"
 		"${GITHUB_RELEASE_URL}/gh-ost-binary-linux-20200828140552.tar.gz"
 		"${FILE_SERVER_URL}/download/minio.tar.gz"
 	)
diff --git a/dm/tests/tiup/upgrade-from-v1.sh b/dm/tests/tiup/upgrade-from-v1.sh
index 75b4244efb..b53d5bc08a 100755
--- a/dm/tests/tiup/upgrade-from-v1.sh
+++ b/dm/tests/tiup/upgrade-from-v1.sh
@@ -30,7 +30,7 @@ function deploy_v1_by_ansible() {
 	# step 3
 	su tidb <<EOF
     cd /home/tidb
-    wget https://download.pingcap.org/dm-ansible-v1.0.7.tar.gz
+    wget https://download.pingcap.com/dm-ansible-v1.0.7.tar.gz
 EOF
 
 	# step 4
diff --git a/scripts/download-integration-test-binaries.sh b/scripts/download-integration-test-binaries.sh
index ec0d884943..fc118edd3c 100755
--- a/scripts/download-integration-test-binaries.sh
+++ b/scripts/download-integration-test-binaries.sh
@@ -73,10 +73,10 @@ download_community_binaries() {
 	local dist="${VERSION}-${OS}-${ARCH}"
 	local tidb_file_name="tidb-community-server-$dist"
 	local tidb_tar_name="${tidb_file_name}.tar.gz"
-	local tidb_url="https://download.pingcap.org/$tidb_tar_name"
+	local tidb_url="https://download.pingcap.com/$tidb_tar_name"
 	local toolkit_file_name="tidb-community-toolkit-$dist"
 	local toolkit_tar_name="${toolkit_file_name}.tar.gz"
-	local toolkit_url="https://download.pingcap.org/$toolkit_tar_name"
+	local toolkit_url="https://download.pingcap.com/$toolkit_tar_name"
 
 	log_green "Downloading community binaries..."
 	download_file "$tidb_url" "$tidb_tar_name" "${TMP_DIR}/$tidb_tar_name"
diff --git a/tests/integration_tests/README.md b/tests/integration_tests/README.md
index b2c3d471f8..6f93263525 100644
--- a/tests/integration_tests/README.md
+++ b/tests/integration_tests/README.md
@@ -19,7 +19,7 @@ If you need to specify a version, os or arch, you can use, for example: `make pr
    * [jq](https://stedolan.github.io/jq/)
    * [minio](https://github.com/minio/minio)
 
-   > You could download these binaries by yourself from [tidb-community-toolkit](https://download.pingcap.org/tidb-community-toolkit-v6.0.0-linux-amd64.tar.gz) and [tidb-community-server](https://download.pingcap.org/tidb-community-server-v6.0.0-linux-amd64.tar.gz).
+   > You could download these binaries by yourself from [tidb-community-toolkit](https://download.pingcap.com/tidb-community-toolkit-v6.0.0-linux-amd64.tar.gz) and [tidb-community-server](https://download.pingcap.com/tidb-community-server-v6.0.0-linux-amd64.tar.gz).
 
 2. These are programs/packages need be installed manually.
    * [mysql](https://dev.mysql.com/doc/mysql-installation-excerpt/5.7/en/) (the MySQL cli client,