diff --git a/systemd/script/send_credentials.sh b/systemd/script/send_credentials.sh
index 12ff742c..7684c739 100644
--- a/systemd/script/send_credentials.sh
+++ b/systemd/script/send_credentials.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
-PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 
+# Websoft9 microservices container(git,deployment,proxy)  have credential info inside the container 
+# send_credentials.sh: copy credential from these container, and save it into apphub by apphub cli, it will retry 20 times in every 3 seconds interval
+
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 deployment_username="admin"
 credentials=("/data/gitea/credential" "/data/credential" "/data/credential")
 containers=("websoft9-git" "websoft9-deployment" "websoft9-proxy")
@@ -69,4 +72,4 @@ for ((i=0; i<$length; i++)); do
     else
         echo "Password for $container is not set or empty. Skipping..."
     fi
-done
\ No newline at end of file
+done