diff --git a/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/BackupRestoreAnalyzer.java b/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/BackupRestoreAnalyzer.java
index 7a5f3ef978bcd..d67cd23781322 100644
--- a/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/BackupRestoreAnalyzer.java
+++ b/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/BackupRestoreAnalyzer.java
@@ -80,7 +80,7 @@ public Void visitBackupStatement(BackupStmt backupStmt, ConnectContext context)
             String dbName = getDbName(backupStmt.getDbName(), context);
             Database database = getDatabase(dbName, context);
             analyzeLabelAndRepo(backupStmt.getLabel(), backupStmt.getRepoName());
-            Map<String, TableRef> tblPartsMap = Maps.newTreeMap(String.CASE_INSENSITIVE_ORDER);
+            Map<String, TableRef> tblPartsMap = Maps.newTreeMap();
             List<TableRef> tableRefs = backupStmt.getTableRefs();
             // If TableRefs is empty, it means that we do not specify any table in Backup stmt.
             // We should backup all table in current database.
@@ -253,7 +253,7 @@ public Void visitShowBackupStatement(ShowBackupStmt showBackupStmt, ConnectConte
         public Void visitRestoreStatement(RestoreStmt restoreStmt, ConnectContext context) {
             List<TableRef> tableRefs = restoreStmt.getTableRefs();
             Set<String> aliasSet = Sets.newHashSet();
-            Map<String, TableRef> tblPartsMap = Maps.newTreeMap(String.CASE_INSENSITIVE_ORDER);
+            Map<String, TableRef> tblPartsMap = Maps.newTreeMap();
             for (TableRef tableRef : tableRefs) {
                 TableName tableName = tableRef.getName();
 
diff --git a/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeBackupRestoreTest.java b/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeBackupRestoreTest.java
index ab243fa0fc3f0..062dbfedcf1f9 100644
--- a/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeBackupRestoreTest.java
+++ b/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeBackupRestoreTest.java
@@ -67,6 +67,8 @@ public void testBackup() {
                 "PROPERTIES (\"type\" = \"full\",\"timeout\" = \"3600\");");
         analyzeSuccess("BACKUP SNAPSHOT snapshot_pk_label TO `repo` ON ( tprimary ) " +
                 "PROPERTIES (\"type\" = \"full\",\"timeout\" = \"3600\");");
+        analyzeSuccess("BACKUP SNAPSHOT test.snapshot_label2 TO `repo` ON ( t3, T3 ) " +
+                "PROPERTIES (\"type\" = \"full\",\"timeout\" = \"3600\");");
         analyzeFail("BACKUP SNAPSHOT test.snapshot_label2 TO `repo` ON ( t0, t0 ) " +
                 "PROPERTIES (\"type\" = \"full\",\"timeout\" = \"3600\");");
         analyzeFail("BACKUP SNAPSHOT test.snapshot_label2 TO `repo` ON ( t0, t1 ) " +
diff --git a/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeTestUtil.java b/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeTestUtil.java
index 23c631a1e1fc1..2ba43bac4fc0b 100644
--- a/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeTestUtil.java
+++ b/fe/fe-core/src/test/java/com/starrocks/sql/analyzer/AnalyzeTestUtil.java
@@ -76,6 +76,30 @@ public static void init() throws Exception {
                 "\"in_memory\" = \"false\"\n" +
                 ");");
 
+        starRocksAssert.withTable("CREATE TABLE `t3` (\n" +
+                "  `v10` bigint NULL COMMENT \"\",\n" +
+                "  `v11` bigint NULL COMMENT \"\",\n" +
+                "  `v12` bigint NULL\n" +
+                ") ENGINE=OLAP\n" +
+                "DUPLICATE KEY(`v10`, `v11`, v12)\n" +
+                "DISTRIBUTED BY HASH(`v10`) BUCKETS 3\n" +
+                "PROPERTIES (\n" +
+                "\"replication_num\" = \"1\",\n" +
+                "\"in_memory\" = \"false\"\n" +
+                ");");
+
+        starRocksAssert.withTable("CREATE TABLE `T3` (\n" +
+                "  `v10` bigint NULL COMMENT \"\",\n" +
+                "  `v11` bigint NULL COMMENT \"\",\n" +
+                "  `v12` bigint NULL\n" +
+                ") ENGINE=OLAP\n" +
+                "DUPLICATE KEY(`v10`, `v11`, v12)\n" +
+                "DISTRIBUTED BY HASH(`v10`) BUCKETS 3\n" +
+                "PROPERTIES (\n" +
+                "\"replication_num\" = \"1\",\n" +
+                "\"in_memory\" = \"false\"\n" +
+                ");");
+
         starRocksAssert.withTable("CREATE TABLE `tall` (\n" +
                 "  `ta` varchar(20) NULL COMMENT \"\",\n" +
                 "  `tb` smallint(6) NULL COMMENT \"\",\n" +