diff --git a/plugins/extractors/maxcompute/maxcompute.go b/plugins/extractors/maxcompute/maxcompute.go
index 8a8b9ed9..bd40bfbc 100644
--- a/plugins/extractors/maxcompute/maxcompute.go
+++ b/plugins/extractors/maxcompute/maxcompute.go
@@ -305,8 +305,9 @@ func (e *Extractor) buildTableAttributesData(schemaName string, tableInfo *table
 		attributesData["sql"] = tableInfo.ViewText
 	}
 
-	partitionNames := make([]string, len(tableInfo.PartitionColumns))
+	var partitionNames []interface{}
 	if tableInfo.PartitionColumns != nil && len(tableInfo.PartitionColumns) > 0 {
+		partitionNames = make([]interface{}, len(tableInfo.PartitionColumns))
 		for i, column := range tableInfo.PartitionColumns {
 			partitionNames[i] = column.Name
 		}