diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index a5cdc04e..273b6f1e 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -41,7 +41,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [18, 20, 22]
+        node-version: [18.20.0, 18, 20, 22]
         os: [ubuntu-latest]
 
     steps:
diff --git a/prepare-database-postgresql.sh b/prepare-database-postgresql.sh
index b6231afa..9d1d58a7 100644
--- a/prepare-database-postgresql.sh
+++ b/prepare-database-postgresql.sh
@@ -4,9 +4,9 @@
 
 # read variables from environment
 db_host=${POSTGRES_HOST:-}
-db_port=${POSTGRES_PORT:-}
+db_port=${POSTGRES_PORT:-5432}
 db_username=${POSTGRES_USER:-}
-db_password=${POSTGRES_PASSWORD:-} # default to empty password
+db_password=${POSTGRES_PASSWORD:-postgres} # default to empty password
 db_name=${CNPMCORE_DATABASE_NAME:-cnpmcore_unittest}
 
 # prepare PostgreSQL param