diff --git a/dbswitch-data/src/main/java/com/gitee/dbswitch/data/util/DataSourceUtils.java b/dbswitch-data/src/main/java/com/gitee/dbswitch/data/util/DataSourceUtils.java
index b22e7068..e2e7e9a2 100644
--- a/dbswitch-data/src/main/java/com/gitee/dbswitch/data/util/DataSourceUtils.java
+++ b/dbswitch-data/src/main/java/com/gitee/dbswitch/data/util/DataSourceUtils.java
@@ -179,7 +179,9 @@ public final class DataSourceUtils {
         throw new RuntimeException(e);
       }
     }).toArray(URL[]::new);
-    URLClassLoader loader = new URLClassLoader(urls, null);
+    ClassLoader parent = driverClass.contains("postgresql")
+        ? Thread.currentThread().getContextClassLoader() : null;
+    URLClassLoader loader = new URLClassLoader(urls, parent);
     try {
       Class<?> clazz = loader.loadClass(driverClass);
       clazz.newInstance();
diff --git a/dbswitch-data/src/main/resources/config.yml b/dbswitch-data/src/main/resources/config.yml
index 6aa6d632..3acb85ae 100644
--- a/dbswitch-data/src/main/resources/config.yml
+++ b/dbswitch-data/src/main/resources/config.yml
@@ -5,7 +5,7 @@ dbswitch:
     ## support multiple source database connection
     - url: jdbc:mysql://172.17.2.10:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false&zeroDateTimeBehavior=convertToNull&serverTimezone=Asia/Shanghai&nullCatalogMeansCurrent=true&tinyInt1isBit=false&rewriteBatchedStatements=true&useCompression=true
       driver-class-name: 'com.mysql.jdbc.Driver'
-      driver-path: D:/Workspace/dbswitch/drivers/mysql/mysql-5.7
+      driver-path: D:/Workspace/dbswitch/drivers/mysql/mysql-5
       username: 'test'
       password: '123456'
       # source database configuration parameters
@@ -31,7 +31,7 @@ dbswitch:
     ## Best support for Oracle/PostgreSQL/Greenplum/DM etc.
     url: jdbc:postgresql://172.17.2.10:5432/test
     driver-class-name: org.postgresql.Driver
-    driver-path: D:/Workspace/dbswitch/driver/postgresql/postgresql-11.4
+    driver-path: D:/Workspace/dbswitch/drivers/postgresql/postgresql-11.4
     username: 'test'
     password: '123456'
     # target database configuration parameters