diff --git a/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.properties b/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.properties
index 3670a662..29ac8d05 100644
--- a/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.properties
+++ b/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.properties
@@ -4,9 +4,9 @@ server.port=18084
 spring.datasource.name="accountDataSource"
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
-spring.datasource.url=jdbc:mysql://rm-2zetd9474ydd1g5955o.mysql.rds.aliyuncs.com:3306/fescar?useSSL=false&serverTimezone=UTC
-spring.datasource.username=workshop
-spring.datasource.password=Workshop123
+spring.datasource.url=jdbc:mysql://xxx:3306/fescar?useSSL=false&serverTimezone=UTC
+spring.datasource.username=xxx
+spring.datasource.password=xxx
 spring.datasource.druid.max-active=20
 spring.datasource.druid.min-idle=2
 spring.datasource.druid.initial-size=2
diff --git a/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.properties b/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.properties
index 498c63ed..ada9995b 100644
--- a/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.properties
+++ b/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.properties
@@ -4,9 +4,9 @@ server.port=18083
 spring.datasource.name="orderDataSource"
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
-spring.datasource.url=jdbc:mysql://rm-2zetd9474ydd1g5955o.mysql.rds.aliyuncs.com:3306/fescar?useSSL=false&serverTimezone=UTC
-spring.datasource.username=workshop
-spring.datasource.password=Workshop123
+spring.datasource.url=jdbc:mysql://xxx:3306/fescar?useSSL=false&serverTimezone=UTC
+spring.datasource.username=xxx
+spring.datasource.password=xxx
 spring.datasource.druid.max-active=20
 spring.datasource.druid.min-idle=2
 spring.datasource.druid.initial-size=2
diff --git a/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.properties b/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.properties
index 92233b7f..49b36889 100644
--- a/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.properties
+++ b/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.properties
@@ -4,9 +4,9 @@ server.port=18082
 spring.datasource.name="storageDataSource"
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
-spring.datasource.url=jdbc:mysql://rm-2zetd9474ydd1g5955o.mysql.rds.aliyuncs.com:3306/fescar?useSSL=false&serverTimezone=UTC
-spring.datasource.username=workshop
-spring.datasource.password=Workshop123
+spring.datasource.url=jdbc:mysql://xxx:3306/fescar?useSSL=false&serverTimezone=UTC
+spring.datasource.username=xxx
+spring.datasource.password=xxx
 spring.datasource.druid.max-active=20
 spring.datasource.druid.min-idle=2
 spring.datasource.druid.initial-size=2