diff --git a/backend/src/modules/json-schema/services/virtual-column.service.ts b/backend/src/modules/json-schema/services/virtual-column.service.ts
index 3cfb80c..e8c7a43 100644
--- a/backend/src/modules/json-schema/services/virtual-column.service.ts
+++ b/backend/src/modules/json-schema/services/virtual-column.service.ts
@@ -36,7 +36,7 @@ export class VirtualColumnService {
       for (const config of configs) {
         await this.ensureVirtualColumn(queryRunner, tableName, config);
 
-        if (config.index_type) {
+        if (config.indexType) {
           await this.ensureIndex(queryRunner, tableName, config);
         }
       }
diff --git a/backend/src/modules/master/master.service.ts b/backend/src/modules/master/master.service.ts
index b0df641..5f01f8f 100644
--- a/backend/src/modules/master/master.service.ts
+++ b/backend/src/modules/master/master.service.ts
@@ -328,8 +328,8 @@ export class MasterService {
       : null;
     const tag = this.tagRepo.create({
       ...dto,
-      project_id: internalProjectId,
-      created_by: userId,
+      projectId: internalProjectId,
+      createdBy: userId,
     });
     return this.tagRepo.save(tag);
   }