diff --git a/src/frontend/src/instance/distributed.rs b/src/frontend/src/instance/distributed.rs
index 326bcd08e3a3..091810efee50 100644
--- a/src/frontend/src/instance/distributed.rs
+++ b/src/frontend/src/instance/distributed.rs
@@ -745,7 +745,7 @@ fn create_partitions_stmt(partitions: Vec<PartitionInfo>) -> Result<Option<Parti
         .into_iter()
         .map(|info| {
             // Generated the partition name from id
-            let name = &format!("r{}", info.id.as_u64());
+            let name = &format!("r{}", info.id.region_number());
             let bounds = info.partition.partition_bounds();
             let value_list = bounds
                 .iter()
diff --git a/src/meta-srv/src/procedure/region_failover/update_metadata.rs b/src/meta-srv/src/procedure/region_failover/update_metadata.rs
index 280e3c77d36e..4de83e415cae 100644
--- a/src/meta-srv/src/procedure/region_failover/update_metadata.rs
+++ b/src/meta-srv/src/procedure/region_failover/update_metadata.rs
@@ -72,7 +72,7 @@ impl UpdateRegionMetadata {
         let mut new_region_routes = table_route_value.region_routes.clone();
 
         for region_route in new_region_routes.iter_mut() {
-            if region_route.region.id == failed_region.region_number as u64 {
+            if region_route.region.id.region_number() == failed_region.region_number {
                 region_route.leader_peer = Some(self.candidate.clone());
                 break;
             }
diff --git a/src/meta-srv/src/service/ddl.rs b/src/meta-srv/src/service/ddl.rs
index f4d3664ead43..18c1fd4f1073 100644
--- a/src/meta-srv/src/service/ddl.rs
+++ b/src/meta-srv/src/service/ddl.rs
@@ -178,8 +178,8 @@ async fn handle_create_region_routes(
     // If the peers are not enough, some peers will be used for multiple partitions.
     peers.truncate(partitions.len());
 
-    let id = table_id_sequence.next().await?;
-    table_info.ident.table_id = id as u32;
+    let table_id = table_id_sequence.next().await? as u32;
+    table_info.ident.table_id = table_id;
 
     ensure!(
         partitions.len() <= MAX_REGION_SEQ as usize,
@@ -191,7 +191,7 @@ async fn handle_create_region_routes(
         .enumerate()
         .map(|(i, partition)| {
             let region = Region {
-                id: RegionId::from_u64(i as u64),
+                id: RegionId::new(table_id, i as u32),
                 partition: Some(partition.into()),
                 ..Default::default()
             };