diff --git a/backend-node/src/services/menuCopyService.ts b/backend-node/src/services/menuCopyService.ts
index ac9768a1..075a8229 100644
--- a/backend-node/src/services/menuCopyService.ts
+++ b/backend-node/src/services/menuCopyService.ts
@@ -279,11 +279,90 @@ export class MenuCopyService {
           logger.debug(`    📐 분할 패널 우측 화면 참조 발견: ${numId}`);
         }
       }
+
+      // 5) 모달 화면 ID (addModalScreenId, editModalScreenId, modalScreenId)
+      if (props?.componentConfig?.addModalScreenId) {
+        const addModalScreenId = props.componentConfig.addModalScreenId;
+        const numId =
+          typeof addModalScreenId === "number"
+            ? addModalScreenId
+            : parseInt(addModalScreenId);
+        if (!isNaN(numId) && numId > 0) {
+          referenced.push(numId);
+          logger.debug(`    📋 추가 모달 화면 참조 발견: ${numId}`);
+        }
+      }
+
+      if (props?.componentConfig?.editModalScreenId) {
+        const editModalScreenId = props.componentConfig.editModalScreenId;
+        const numId =
+          typeof editModalScreenId === "number"
+            ? editModalScreenId
+            : parseInt(editModalScreenId);
+        if (!isNaN(numId) && numId > 0) {
+          referenced.push(numId);
+          logger.debug(`    📝 수정 모달 화면 참조 발견: ${numId}`);
+        }
+      }
+
+      if (props?.componentConfig?.modalScreenId) {
+        const modalScreenId = props.componentConfig.modalScreenId;
+        const numId =
+          typeof modalScreenId === "number"
+            ? modalScreenId
+            : parseInt(modalScreenId);
+        if (!isNaN(numId) && numId > 0) {
+          referenced.push(numId);
+          logger.debug(`    🔲 모달 화면 참조 발견: ${numId}`);
+        }
+      }
+
+      // 6) 재귀적으로 모든 properties에서 화면 ID 추출 (깊은 탐색)
+      this.extractScreenIdsFromObject(props, referenced);
     }
 
     return referenced;
   }
 
+  /**
+   * 객체 내부에서 화면 ID를 재귀적으로 추출
+   */
+  private extractScreenIdsFromObject(obj: any, referenced: number[]): void {
+    if (!obj || typeof obj !== "object") return;
+
+    if (Array.isArray(obj)) {
+      for (const item of obj) {
+        this.extractScreenIdsFromObject(item, referenced);
+      }
+      return;
+    }
+
+    for (const key of Object.keys(obj)) {
+      const value = obj[key];
+
+      // 화면 ID 키 패턴 확인
+      if (
+        key === "screenId" ||
+        key === "targetScreenId" ||
+        key === "leftScreenId" ||
+        key === "rightScreenId" ||
+        key === "addModalScreenId" ||
+        key === "editModalScreenId" ||
+        key === "modalScreenId"
+      ) {
+        const numId = typeof value === "number" ? value : parseInt(value);
+        if (!isNaN(numId) && numId > 0 && !referenced.includes(numId)) {
+          referenced.push(numId);
+        }
+      }
+
+      // 재귀 탐색
+      if (typeof value === "object" && value !== null) {
+        this.extractScreenIdsFromObject(value, referenced);
+      }
+    }
+  }
+
   /**
    * 화면 수집 (중복 제거, 재귀적 참조 추적)
    */
@@ -483,7 +562,8 @@ export class MenuCopyService {
     properties: any,
     screenIdMap: Map<number, number>,
     flowIdMap: Map<number, number>,
-    numberingRuleIdMap?: Map<string, string>
+    numberingRuleIdMap?: Map<string, string>,
+    menuIdMap?: Map<number, number>
   ): any {
     if (!properties) return properties;
 
@@ -496,7 +576,8 @@ export class MenuCopyService {
       screenIdMap,
       flowIdMap,
       "",
-      numberingRuleIdMap
+      numberingRuleIdMap,
+      menuIdMap
     );
 
     return updated;
@@ -510,7 +591,8 @@ export class MenuCopyService {
     screenIdMap: Map<number, number>,
     flowIdMap: Map<number, number>,
     path: string = "",
-    numberingRuleIdMap?: Map<string, string>
+    numberingRuleIdMap?: Map<string, string>,
+    menuIdMap?: Map<number, number>
   ): void {
     if (!obj || typeof obj !== "object") return;
 
@@ -522,7 +604,8 @@ export class MenuCopyService {
           screenIdMap,
           flowIdMap,
           `${path}[${index}]`,
-          numberingRuleIdMap
+          numberingRuleIdMap,
+          menuIdMap
         );
       });
       return;
@@ -533,13 +616,16 @@ export class MenuCopyService {
       const value = obj[key];
       const currentPath = path ? `${path}.${key}` : key;
 
-      // screen_id, screenId, targetScreenId, leftScreenId, rightScreenId 매핑 (숫자 또는 숫자 문자열)
+      // screen_id, screenId, targetScreenId, leftScreenId, rightScreenId, addModalScreenId, editModalScreenId, modalScreenId 매핑 (숫자 또는 숫자 문자열)
       if (
         key === "screen_id" ||
         key === "screenId" ||
         key === "targetScreenId" ||
         key === "leftScreenId" ||
-        key === "rightScreenId"
+        key === "rightScreenId" ||
+        key === "addModalScreenId" ||
+        key === "editModalScreenId" ||
+        key === "modalScreenId"
       ) {
         const numValue = typeof value === "number" ? value : parseInt(value);
         if (!isNaN(numValue) && numValue > 0) {
@@ -549,6 +635,11 @@ export class MenuCopyService {
             logger.info(
               `    🔗 화면 참조 업데이트 (${currentPath}): ${value} → ${newId}`
             );
+          } else {
+            // 매핑이 없으면 경고 로그 (복사되지 않은 화면 참조)
+            logger.warn(
+              `    ⚠️ 화면 매핑 없음 (${currentPath}): ${value} - 원본 화면이 복사되지 않았을 수 있음`
+            );
           }
         }
       }
@@ -573,9 +664,9 @@ export class MenuCopyService {
         }
       }
 
-      // numberingRuleId 매핑 (문자열)
+      // numberingRuleId, ruleId 매핑 (문자열) - 채번규칙 참조
       if (
-        key === "numberingRuleId" &&
+        (key === "numberingRuleId" || key === "ruleId") &&
         numberingRuleIdMap &&
         typeof value === "string" &&
         value
@@ -595,6 +686,25 @@ export class MenuCopyService {
         }
       }
 
+      // selectedMenuObjid 매핑 (메뉴 objid 참조)
+      if (key === "selectedMenuObjid" && menuIdMap) {
+        const numValue = typeof value === "number" ? value : parseInt(value);
+        if (!isNaN(numValue) && numValue > 0) {
+          const newId = menuIdMap.get(numValue);
+          if (newId) {
+            obj[key] = typeof value === "number" ? newId : String(newId);
+            logger.info(
+              `    🔗 메뉴 참조 업데이트 (${currentPath}): ${value} → ${newId}`
+            );
+          } else {
+            // 매핑이 없으면 경고 로그 (복사되지 않은 메뉴 참조)
+            logger.warn(
+              `    ⚠️ 메뉴 매핑 없음 (${currentPath}): ${value} - 원본 메뉴가 복사되지 않았을 수 있음`
+            );
+          }
+        }
+      }
+
       // 재귀 호출
       if (typeof value === "object" && value !== null) {
         this.recursiveUpdateReferences(
@@ -602,7 +712,8 @@ export class MenuCopyService {
           screenIdMap,
           flowIdMap,
           currentPath,
-          numberingRuleIdMap
+          numberingRuleIdMap,
+          menuIdMap
         );
       }
     }
@@ -981,7 +1092,8 @@ export class MenuCopyService {
         userId,
         client,
         screenNameConfig,
-        numberingRuleIdMap
+        numberingRuleIdMap,
+        menuIdMap
       );
 
       // === 6단계: 화면-메뉴 할당 ===
@@ -1315,7 +1427,8 @@ export class MenuCopyService {
       removeText?: string;
       addPrefix?: string;
     },
-    numberingRuleIdMap?: Map<string, string>
+    numberingRuleIdMap?: Map<string, string>,
+    menuIdMap?: Map<number, number>
   ): Promise<Map<number, number>> {
     const screenIdMap = new Map<number, number>();
 
@@ -1601,7 +1714,8 @@ export class MenuCopyService {
               layout.properties,
               screenIdMap,
               flowIdMap,
-              numberingRuleIdMap
+              numberingRuleIdMap,
+              menuIdMap
             );
 
             layoutValues.push(