diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
index 9641204ba7..b41135a42b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
@@ -38,7 +38,6 @@ import org.apache.doris.analysis.ShowDbStmt;
 import org.apache.doris.analysis.ShowDeleteStmt;
 import org.apache.doris.analysis.ShowDynamicPartitionStmt;
 import org.apache.doris.analysis.ShowEnginesStmt;
-import org.apache.doris.analysis.ShowResourcesStmt;
 import org.apache.doris.analysis.ShowExportStmt;
 import org.apache.doris.analysis.ShowFrontendsStmt;
 import org.apache.doris.analysis.ShowFunctionsStmt;
@@ -52,6 +51,7 @@ import org.apache.doris.analysis.ShowPluginsStmt;
 import org.apache.doris.analysis.ShowProcStmt;
 import org.apache.doris.analysis.ShowProcesslistStmt;
 import org.apache.doris.analysis.ShowRepositoriesStmt;
+import org.apache.doris.analysis.ShowResourcesStmt;
 import org.apache.doris.analysis.ShowRestoreStmt;
 import org.apache.doris.analysis.ShowRolesStmt;
 import org.apache.doris.analysis.ShowRollupStmt;
@@ -1130,13 +1130,13 @@ public class ShowExecutor {
             TabletInvertedIndex invertedIndex = Catalog.getCurrentInvertedIndex();
             TabletMeta tabletMeta = invertedIndex.getTabletMeta(tabletId);
             Long dbId = tabletMeta != null ? tabletMeta.getDbId() : TabletInvertedIndex.NOT_EXIST_VALUE;
-            String dbName = null;
+            String dbName = FeConstants.null_string;
             Long tableId = tabletMeta != null ? tabletMeta.getTableId() : TabletInvertedIndex.NOT_EXIST_VALUE;
-            String tableName = null;
+            String tableName = FeConstants.null_string;
             Long partitionId = tabletMeta != null ? tabletMeta.getPartitionId() : TabletInvertedIndex.NOT_EXIST_VALUE;
-            String partitionName = null;
+            String partitionName = FeConstants.null_string;
             Long indexId = tabletMeta != null ? tabletMeta.getIndexId() : TabletInvertedIndex.NOT_EXIST_VALUE;
-            String indexName = null;
+            String indexName = FeConstants.null_string;
             Boolean isSync = true;
 
             // check real meta