diff --git a/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/config/ingest/BaseDumperConfiguration.java b/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/config/ingest/BaseDumperConfiguration.java
index 1004f464e586b..59b9ebd41fa21 100644
--- a/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/config/ingest/BaseDumperConfiguration.java
+++ b/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/config/ingest/BaseDumperConfiguration.java
@@ -45,8 +45,6 @@ public abstract class BaseDumperConfiguration {
     
     private PipelineDataSourceConfiguration dataSourceConfig;
     
-    private IngestPosition position;
-    
     private Map<ActualTableName, LogicTableName> tableNameMap;
     
     private TableNameSchemaNameMapping tableNameSchemaNameMapping;
@@ -54,6 +52,8 @@ public abstract class BaseDumperConfiguration {
     // LinkedHashSet is required
     private Map<LogicTableName, Collection<ColumnName>> targetTableColumnsMap = new HashMap<>();
     
+    private IngestPosition position;
+    
     /**
      * Get logic table name.
      *
@@ -92,7 +92,7 @@ public String getSchemaName(final LogicTableName logicTableName) {
      * Get schema name.
      *
      * @param actualTableName actual table name
-     * @return schema name. nullable
+     * @return schema name, can be nullable 
      */
     public String getSchemaName(final ActualTableName actualTableName) {
         return tableNameSchemaNameMapping.getSchemaName(getLogicTableName(actualTableName));