diff --git a/backend-node/src/controllers/tableManagementController.ts b/backend-node/src/controllers/tableManagementController.ts
index 3f599fa5..85159dc2 100644
--- a/backend-node/src/controllers/tableManagementController.ts
+++ b/backend-node/src/controllers/tableManagementController.ts
@@ -1617,10 +1617,11 @@ export async function getCategoryColumnsByMenu(
     logger.info("📥 메뉴별 카테고리 컬럼 조회 요청", { menuObjid, companyCode });
 
     if (!menuObjid) {
-      return res.status(400).json({
+      res.status(400).json({
         success: false,
         message: "메뉴 OBJID가 필요합니다.",
       });
+      return;
     }
 
     // 1. 형제 메뉴 조회
@@ -1648,11 +1649,12 @@ export async function getCategoryColumnsByMenu(
     logger.info("✅ 형제 메뉴 테이블 조회 완료", { tableNames, count: tableNames.length });
 
     if (tableNames.length === 0) {
-      return res.json({
+      res.json({
         success: true,
         data: [],
         message: "형제 메뉴에 연결된 테이블이 없습니다.",
       });
+      return;
     }
 
     // 3. 테이블들의 카테고리 타입 컬럼 조회 (테이블 라벨 포함)
diff --git a/backend-node/src/services/commonCodeService.ts b/backend-node/src/services/commonCodeService.ts
index 40c05861..8cbd8a29 100644
--- a/backend-node/src/services/commonCodeService.ts
+++ b/backend-node/src/services/commonCodeService.ts
@@ -23,7 +23,8 @@ export interface CodeInfo {
   description?: string | null;
   sort_order: number;
   is_active: string;
-  company_code: string; // 추가
+  company_code: string;
+  menu_objid?: number | null; // 메뉴 기반 코드 관리용
   created_date?: Date | null;
   created_by?: string | null;
   updated_date?: Date | null;
diff --git a/backend-node/src/services/numberingRuleService.ts b/backend-node/src/services/numberingRuleService.ts
index db76bbee..368559df 100644
--- a/backend-node/src/services/numberingRuleService.ts
+++ b/backend-node/src/services/numberingRuleService.ts
@@ -161,6 +161,8 @@ class NumberingRuleService {
     companyCode: string,
     menuObjid?: number
   ): Promise<NumberingRuleConfig[]> {
+    let siblingObjids: number[] = []; // catch 블록에서 접근 가능하도록 함수 최상단에 선언
+    
     try {
       logger.info("메뉴별 사용 가능한 채번 규칙 조회 시작 (메뉴 스코프)", {
         companyCode,
@@ -170,7 +172,6 @@ class NumberingRuleService {
       const pool = getPool();
 
       // 1. 형제 메뉴 OBJID 조회
-      let siblingObjids: number[] = [];
       if (menuObjid) {
         siblingObjids = await getSiblingMenuObjids(menuObjid);
         logger.info("형제 메뉴 OBJID 목록", { menuObjid, siblingObjids });
diff --git a/backend-node/src/services/tableManagementService.ts b/backend-node/src/services/tableManagementService.ts
index fd2e82a7..8bcec704 100644
--- a/backend-node/src/services/tableManagementService.ts
+++ b/backend-node/src/services/tableManagementService.ts
@@ -2057,6 +2057,7 @@ export class TableManagementService {
       sortBy?: string;
       sortOrder?: string;
       enableEntityJoin?: boolean;
+      companyCode?: string; // 멀티테넌시 필터용
       additionalJoinColumns?: Array<{
         sourceTable: string;
         sourceColumn: string;