diff --git a/script/env/dolphinscheduler_env.sh b/script/env/dolphinscheduler_env.sh
index bc6efabe86..0e656d0a65 100755
--- a/script/env/dolphinscheduler_env.sh
+++ b/script/env/dolphinscheduler_env.sh
@@ -29,6 +29,7 @@ export PATH=$HADOOP_HOME/bin:$SPARK_HOME1/bin:$SPARK_HOME2/bin:$PYTHON_HOME/bin:
 
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
+export SPRING_DATASOURCE_DRIVER_CLASS_NAME
 export SPRING_DATASOURCE_URL
 export SPRING_DATASOURCE_USERNAME
 export SPRING_DATASOURCE_PASSWORD