diff --git a/src/components/floor-plan/CanvasFrame.jsx b/src/components/floor-plan/CanvasFrame.jsx
index 20d6a348..c195a39a 100644
--- a/src/components/floor-plan/CanvasFrame.jsx
+++ b/src/components/floor-plan/CanvasFrame.jsx
@@ -128,10 +128,10 @@ export default function CanvasFrame() {
     if (currentCanvasPlan.planNo) {
       /* 약간의 지연을 줘서 roofMaterials가 로드될 시간을 확보 */
       setTimeout(() => {
-        // 메뉴 이동 시 canvasSetting이 덮어쓰이는 것을 방지
-        // 이미 canvasSetting에 roofSizeSet이 있으면 API 호출 건너뛰기
-        if (!canvasSetting?.roofSizeSet) {
-          fetchBasicSettings(Number(currentCanvasPlan.planNo), null)
+        // 플랜이 변경되었거나 아직 roofSizeSet이 없는 경우에만 fetch
+        const isPlanChanged = canvasSetting?.planNo !== undefined && Number(canvasSetting.planNo) !== Number(currentCanvasPlan.planNo)
+        if (!canvasSetting?.roofSizeSet || isPlanChanged) {
+          fetchBasicSettings(Number(currentCanvasPlan.planNo), null, currentCanvasPlan.objectNo)
         }
       }, 100)
     }
diff --git a/src/hooks/option/useCanvasSetting.js b/src/hooks/option/useCanvasSetting.js
index a4068f92..f80b2902 100644
--- a/src/hooks/option/useCanvasSetting.js
+++ b/src/hooks/option/useCanvasSetting.js
@@ -316,7 +316,10 @@ export function useCanvasSetting(executeEffect = true) {
   /**
    * 기본설정(PlacementShapeSetting) 조회 및 초기화
    */
-  const fetchBasicSettings = async (planNo, openPoint) => {
+  const fetchBasicSettings = async (planNo, openPoint, objectNo) => {
+    // objectNo가 전달되면 사용, 아니면 Recoil state의 correntObjectNo 사용
+    const targetObjectNo = objectNo || correntObjectNo
+
     // 지붕재 데이터가 없으면 먼저 로드
     let materials = roofMaterials
     if (!materials || materials.length === 0) {
@@ -326,9 +329,9 @@ export function useCanvasSetting(executeEffect = true) {
     }
 
     try {
-      const apiUrl = `/api/canvas-management/canvas-basic-settings/by-object/${correntObjectNo}/${planNo}`
+      const apiUrl = `/api/canvas-management/canvas-basic-settings/by-object/${targetObjectNo}/${planNo}`
       logger.log('🔍 fetchBasicSettings API 호출:', apiUrl)
-      logger.log('🔍 correntObjectNo:', correntObjectNo, 'planNo:', planNo)
+      logger.log('🔍 targetObjectNo:', targetObjectNo, 'planNo:', planNo)
 
       await get({
         url: apiUrl,
@@ -454,7 +457,9 @@ export function useCanvasSetting(executeEffect = true) {
           if (openPoint !== 'basicSettingSave') {
             // canvasSetting은 현재 값을 유지하고 basicSetting만 업데이트
             // 새로고침 시 canvasSetting이 바뀌는 문제 방지
-            if (!canvasSetting?.roofSizeSet) {
+            // 단, 플랜이 변경된 경우에는 항상 업데이트
+            const isPlanChanged = canvasSetting?.planNo !== undefined && Number(canvasSetting.planNo) !== Number(roofsRow[0].planNo)
+            if (!canvasSetting?.roofSizeSet || isPlanChanged) {
               setCanvasSetting({
                 ...basicSetting,
                 roofMaterials: addRoofs[0],
@@ -507,16 +512,16 @@ export function useCanvasSetting(executeEffect = true) {
             roofMatlCd:
               params.roofsData.roofMatlCd === null || params.roofsData.roofMatlCd === undefined ? 'ROOF_ID_WA_53A' : params.roofsData.roofMatlCd,
             roofWidth:
-              params.selectedRoofMaterial.width === null || params.selectedRoofMaterial.width === undefined
-                ? !params.selectedRoofMaterial.widBase
-                  ? 0
-                  : Number(params.roofsData.widBase)
-                : Number(params.selectedRoofMaterial.width),
+              params.roofsData.roofWidth === null || params.roofsData.roofWidth === undefined
+                ? params.selectedRoofMaterial.widBase
+                  ? Number(params.selectedRoofMaterial.widBase)
+                  : 0
+                : Number(params.roofsData.roofWidth),
             roofHeight:
-              params.selectedRoofMaterial.height === null || params.selectedRoofMaterial.height === undefined
-                ? !params.selectedRoofMaterial.lenBase
-                  ? 0
-                  : Number(params.selectedRoofMaterial.lenBase)
+              params.roofsData.roofHeight === null || params.roofsData.roofHeight === undefined
+                ? params.selectedRoofMaterial.lenBase
+                  ? Number(params.selectedRoofMaterial.lenBase)
+                  : 0
                 : Number(params.roofsData.roofHeight),
             roofHajebichi:
               params.selectedRoofMaterial.hajebichi === null || params.selectedRoofMaterial.hajebichi === undefined
diff --git a/src/hooks/usePlan.js b/src/hooks/usePlan.js
index cdb02fef..5c4a9a38 100644
--- a/src/hooks/usePlan.js
+++ b/src/hooks/usePlan.js
@@ -254,7 +254,7 @@ export function usePlan(params = {}) {
       setPlans([newPlan])
 
       /* 플랜 추가 시 배치면초기설정 정보 조회 */
-      fetchBasicSettings(newPlan.planNo, null)
+      fetchBasicSettings(newPlan.planNo, null, objectNo)
     } else {
       if (isCopy) {
         const currentSelectedMenu = selectedMenu
@@ -579,7 +579,7 @@ export function usePlan(params = {}) {
       setPlans((plans) => plans.map((plan) => ({ ...plan, isCurrent: plan.id === lastPlan.id })))
 
       /* 플랜 삭제 시 그 전 플랫의 배치면초기설정 정보 조회 */
-      fetchBasicSettings(lastPlan.planNo, null)
+      fetchBasicSettings(lastPlan.planNo, null, lastPlan.objectNo)
     }
   }