diff --git a/.github/workflows/cluster-test/mysql/dolphinscheduler_env.sh b/.github/workflows/cluster-test/mysql/dolphinscheduler_env.sh
index 07d5a8dbba..458fb9d5b2 100755
--- a/.github/workflows/cluster-test/mysql/dolphinscheduler_env.sh
+++ b/.github/workflows/cluster-test/mysql/dolphinscheduler_env.sh
@@ -21,7 +21,6 @@ export JAVA_HOME=${JAVA_HOME:-/usr/local/openjdk-8}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-mysql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
 export SPRING_DATASOURCE_URL="jdbc:mysql://mysql:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&useSSL=false"
 export SPRING_DATASOURCE_USERNAME=root
 export SPRING_DATASOURCE_PASSWORD=123456
diff --git a/.github/workflows/cluster-test/postgresql/dolphinscheduler_env.sh b/.github/workflows/cluster-test/postgresql/dolphinscheduler_env.sh
index 9a6d9797e6..cc9364e31d 100644
--- a/.github/workflows/cluster-test/postgresql/dolphinscheduler_env.sh
+++ b/.github/workflows/cluster-test/postgresql/dolphinscheduler_env.sh
@@ -21,7 +21,6 @@ export JAVA_HOME=${JAVA_HOME:-/usr/local/openjdk-8}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=org.postgresql.Driver
 export SPRING_DATASOURCE_URL="jdbc:postgresql://postgres:5432/dolphinscheduler"
 export SPRING_DATASOURCE_USERNAME=postgres
 export SPRING_DATASOURCE_PASSWORD=postgres
diff --git a/docs/docs/en/architecture/configuration.md b/docs/docs/en/architecture/configuration.md
index e3689f9ae9..0f1df00372 100644
--- a/docs/docs/en/architecture/configuration.md
+++ b/docs/docs/en/architecture/configuration.md
@@ -450,7 +450,6 @@ export JAVA_HOME=${JAVA_HOME:-/opt/soft/java}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME
 export SPRING_DATASOURCE_URL
 export SPRING_DATASOURCE_USERNAME
 export SPRING_DATASOURCE_PASSWORD
diff --git a/docs/docs/en/guide/installation/pseudo-cluster.md b/docs/docs/en/guide/installation/pseudo-cluster.md
index a37e0b58e4..eb0c0d95af 100644
--- a/docs/docs/en/guide/installation/pseudo-cluster.md
+++ b/docs/docs/en/guide/installation/pseudo-cluster.md
@@ -114,7 +114,6 @@ export JAVA_HOME=${JAVA_HOME:-/opt/soft/java}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=org.postgresql.Driver
 export SPRING_DATASOURCE_URL="jdbc:postgresql://127.0.0.1:5432/dolphinscheduler"
 export SPRING_DATASOURCE_USERNAME={user}
 export SPRING_DATASOURCE_PASSWORD={password}
@@ -179,7 +178,6 @@ Then, modify `./bin/env/dolphinscheduler_env.sh` to use mysql, change {user} and
 ```shell
 export DATABASE=${DATABASE:-mysql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
 export SPRING_DATASOURCE_URL="jdbc:mysql://127.0.0.1:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&useSSL=false"
 export SPRING_DATASOURCE_USERNAME={user}
 export SPRING_DATASOURCE_PASSWORD={password}
diff --git a/docs/docs/en/guide/start/docker.md b/docs/docs/en/guide/start/docker.md
index 82bb609772..b12378f9c3 100644
--- a/docs/docs/en/guide/start/docker.md
+++ b/docs/docs/en/guide/start/docker.md
@@ -77,8 +77,6 @@ $ DOLPHINSCHEDULER_VERSION=3.0.0-beta-1
 # Initialize the database, make sure database <DATABASE> already exists
 $ docker run -d --name dolphinscheduler-tools \
     -e DATABASE="postgresql" \
-    # Use "com.mysql.cj.jdbc.driver" if you use MySQL
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/<DATABASE>" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -87,7 +85,6 @@ $ docker run -d --name dolphinscheduler-tools \
 # Starting DolphinScheduler service
 $ docker run -d --name dolphinscheduler-master \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -96,7 +93,6 @@ $ docker run -d --name dolphinscheduler-master \
     -d apache/dolphinscheduler-master:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-worker \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -105,7 +101,6 @@ $ docker run -d --name dolphinscheduler-worker \
     -d apache/dolphinscheduler-worker:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-api \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -114,7 +109,6 @@ $ docker run -d --name dolphinscheduler-api \
     -d apache/dolphinscheduler-api:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-alert-server \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
diff --git a/docs/docs/en/guide/upgrade.md b/docs/docs/en/guide/upgrade.md
index be901a6a50..5e4c7d5812 100644
--- a/docs/docs/en/guide/upgrade.md
+++ b/docs/docs/en/guide/upgrade.md
@@ -27,7 +27,6 @@ jar package and add it to the `./tools/libs` directory, then change `./bin/ env/
     ```shell
     export DATABASE=${DATABASE:-mysql}
     export SPRING_PROFILES_ACTIVE=${DATABASE}
-    export SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
     export SPRING_DATASOURCE_URL=jdbc:mysql://127.0.0.1:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8
     export SPRING_DATASOURCE_USERNAME={user}
     export SPRING_DATASOURCE_PASSWORD={password}
diff --git a/docs/docs/zh/architecture/configuration.md b/docs/docs/zh/architecture/configuration.md
index 698a1c4aa2..14f79f1344 100644
--- a/docs/docs/zh/architecture/configuration.md
+++ b/docs/docs/zh/architecture/configuration.md
@@ -431,7 +431,6 @@ export JAVA_HOME=${JAVA_HOME:-/opt/soft/java}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME
 export SPRING_DATASOURCE_URL
 export SPRING_DATASOURCE_USERNAME
 export SPRING_DATASOURCE_PASSWORD
diff --git a/docs/docs/zh/guide/installation/pseudo-cluster.md b/docs/docs/zh/guide/installation/pseudo-cluster.md
index f76b834adc..2ade7be397 100644
--- a/docs/docs/zh/guide/installation/pseudo-cluster.md
+++ b/docs/docs/zh/guide/installation/pseudo-cluster.md
@@ -111,7 +111,6 @@ export JAVA_HOME=${JAVA_HOME:-/opt/soft/java}
 # Database related configuration, set database type, username and password
 export DATABASE=${DATABASE:-postgresql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=org.postgresql.Driver
 export SPRING_DATASOURCE_URL="jdbc:postgresql://127.0.0.1:5432/dolphinscheduler"
 export SPRING_DATASOURCE_USERNAME={user}
 export SPRING_DATASOURCE_PASSWORD={password}
@@ -176,7 +175,6 @@ mysql> FLUSH PRIVILEGES;
 ```shell
 export DATABASE=${DATABASE:-mysql}
 export SPRING_PROFILES_ACTIVE=${DATABASE}
-export SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
 export SPRING_DATASOURCE_URL="jdbc:mysql://127.0.0.1:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&useSSL=false"
 export SPRING_DATASOURCE_USERNAME={user}
 export SPRING_DATASOURCE_PASSWORD={password}
diff --git a/docs/docs/zh/guide/start/docker.md b/docs/docs/zh/guide/start/docker.md
index 9a0e6f792b..193a3ec3ee 100644
--- a/docs/docs/zh/guide/start/docker.md
+++ b/docs/docs/zh/guide/start/docker.md
@@ -69,8 +69,6 @@ $ DOLPHINSCHEDULER_VERSION=3.0.0-beta-1
 # 初始化数据库，其确保数据库 <DATABASE> 已经存在
 $ docker run -d --name dolphinscheduler-tools \
     -e DATABASE="postgresql" \
-    # 如果使用 MySQL 则使用 "com.mysql.cj.jdbc.driver"
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/<DATABASE>" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -79,7 +77,6 @@ $ docker run -d --name dolphinscheduler-tools \
 # 启动 DolphinScheduler 对应的服务
 $ docker run -d --name dolphinscheduler-master \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -88,7 +85,6 @@ $ docker run -d --name dolphinscheduler-master \
     -d apache/dolphinscheduler-master:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-worker \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -97,7 +93,6 @@ $ docker run -d --name dolphinscheduler-worker \
     -d apache/dolphinscheduler-worker:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-api \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
@@ -106,7 +101,6 @@ $ docker run -d --name dolphinscheduler-api \
     -d apache/dolphinscheduler-api:"${DOLPHINSCHEDULER_VERSION}"
 $ docker run -d --name dolphinscheduler-alert-server \
     -e DATABASE="postgresql" \
-    -e SPRING_DATASOURCE_DRIVER_CLASS_NAME="org.postgresql.Driver" \
     -e SPRING_DATASOURCE_URL="jdbc:postgresql://localhost:5432/dolphinscheduler" \
     -e SPRING_DATASOURCE_USERNAME="<USER>" \
     -e SPRING_DATASOURCE_PASSWORD="<PASSWORD>" \
diff --git a/docs/docs/zh/guide/upgrade.md b/docs/docs/zh/guide/upgrade.md
index 763d9ac963..a9eb3e2188 100644
--- a/docs/docs/zh/guide/upgrade.md
+++ b/docs/docs/zh/guide/upgrade.md
@@ -26,7 +26,6 @@ jar 包 并添加到 `./tools/libs` 目录下，修改 `./bin/env/dolphinschedul
     ```shell
     export DATABASE=${DATABASE:-mysql}
     export SPRING_PROFILES_ACTIVE=${DATABASE}
-    export SPRING_DATASOURCE_DRIVER_CLASS_NAME=com.mysql.cj.jdbc.Driver
     export SPRING_DATASOURCE_URL=jdbc:mysql://127.0.0.1:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8
     export SPRING_DATASOURCE_USERNAME={user}
     export SPRING_DATASOURCE_PASSWORD={password}
diff --git a/script/env/dolphinscheduler_env.sh b/script/env/dolphinscheduler_env.sh
index 26eda694db..6e9d3aa78f 100755
--- a/script/env/dolphinscheduler_env.sh
+++ b/script/env/dolphinscheduler_env.sh
@@ -21,7 +21,6 @@ export JAVA_HOME=${JAVA_HOME:-/opt/soft/java}
 # Database related configuration, set database type, username and password
 export DATABASE=${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