diff --git a/src/metric-engine/src/engine/alter.rs b/src/metric-engine/src/engine/alter.rs
index e2f2153d77ac..aa8e37d8a65c 100644
--- a/src/metric-engine/src/engine/alter.rs
+++ b/src/metric-engine/src/engine/alter.rs
@@ -93,12 +93,7 @@ impl MetricEngineInner {
         // register columns to logical region
         for col in columns {
             self.metadata_region
-                .add_column(
-                    metadata_region_id,
-                    region_id,
-                    &col.column_metadata.column_schema.name,
-                    &col.column_metadata,
-                )
+                .add_column(metadata_region_id, region_id, &col.column_metadata)
                 .await?;
         }
 
diff --git a/src/metric-engine/src/engine/create.rs b/src/metric-engine/src/engine/create.rs
index 4281161081b9..f9488ac70e2a 100644
--- a/src/metric-engine/src/engine/create.rs
+++ b/src/metric-engine/src/engine/create.rs
@@ -185,12 +185,7 @@ impl MetricEngineInner {
             .await?;
         for col in &request.column_metadatas {
             self.metadata_region
-                .add_column(
-                    metadata_region_id,
-                    logical_region_id,
-                    &col.column_schema.name,
-                    col,
-                )
+                .add_column(metadata_region_id, logical_region_id, col)
                 .await?;
         }
 
@@ -221,12 +216,7 @@ impl MetricEngineInner {
         // register columns to metadata region
         for col in &new_columns {
             self.metadata_region
-                .add_column(
-                    metadata_region_id,
-                    logical_region_id,
-                    &col.column_schema.name,
-                    col,
-                )
+                .add_column(metadata_region_id, logical_region_id, col)
                 .await?;
         }
 
diff --git a/src/metric-engine/src/metadata_region.rs b/src/metric-engine/src/metadata_region.rs
index e8e808eed7b5..0621b9a3fd17 100644
--- a/src/metric-engine/src/metadata_region.rs
+++ b/src/metric-engine/src/metadata_region.rs
@@ -97,11 +97,11 @@ impl MetadataRegion {
         &self,
         physical_region_id: RegionId,
         logical_region_id: RegionId,
-        column_name: &str,
         column_metadata: &ColumnMetadata,
     ) -> Result<bool> {
         let region_id = utils::to_metadata_region_id(physical_region_id);
-        let column_key = Self::concat_column_key(logical_region_id, column_name);
+        let column_key =
+            Self::concat_column_key(logical_region_id, &column_metadata.column_schema.name);
 
         self.put_if_absent(
             region_id,
@@ -629,12 +629,7 @@ mod test {
             column_id: 5,
         };
         metadata_region
-            .add_column(
-                physical_region_id,
-                logical_region_id,
-                column_name,
-                &column_metadata,
-            )
+            .add_column(physical_region_id, logical_region_id, &column_metadata)
             .await
             .unwrap();
         let actual_semantic_type = metadata_region
@@ -645,12 +640,7 @@ mod test {
 
         // duplicate column won't be updated
         let is_updated = metadata_region
-            .add_column(
-                physical_region_id,
-                logical_region_id,
-                column_name,
-                &column_metadata,
-            )
+            .add_column(physical_region_id, logical_region_id, &column_metadata)
             .await
             .unwrap();
         assert!(!is_updated);