diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/src/main/java/org/apache/dolphinscheduler/plugin/datasource/oracle/OracleDataSourceClient.java b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/src/main/java/org/apache/dolphinscheduler/plugin/datasource/oracle/OracleDataSourceClient.java
index 6131dad924..49df29109a 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/src/main/java/org/apache/dolphinscheduler/plugin/datasource/oracle/OracleDataSourceClient.java
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-oracle/src/main/java/org/apache/dolphinscheduler/plugin/datasource/oracle/OracleDataSourceClient.java
@@ -20,6 +20,7 @@ package org.apache.dolphinscheduler.plugin.datasource.oracle;
 import org.apache.dolphinscheduler.plugin.datasource.api.client.CommonDataSourceClient;
 import org.apache.dolphinscheduler.spi.datasource.BaseConnectionParam;
 import org.apache.dolphinscheduler.spi.enums.DbType;
+import org.apache.dolphinscheduler.spi.utils.Constants;
 
 public class OracleDataSourceClient extends CommonDataSourceClient {
 
@@ -27,4 +28,8 @@ public class OracleDataSourceClient extends CommonDataSourceClient {
         super(baseConnectionParam, dbType);
     }
 
+    protected void setDefaultValidationQuery(BaseConnectionParam baseConnectionParam) {
+        baseConnectionParam.setValidationQuery(Constants.ORACLE_VALIDATION_QUERY);
+    }
+
 }