diff --git a/src/hooks/option/useCanvasSetting.js b/src/hooks/option/useCanvasSetting.js
index 6a0adb06..c8139893 100644
--- a/src/hooks/option/useCanvasSetting.js
+++ b/src/hooks/option/useCanvasSetting.js
@@ -48,7 +48,7 @@ const defaultDotLineGridSetting = {
   LINE: false,
 }
 
-//let previousRoofMaterialsYn = 'N' // 지붕재 select 정보 비교 후 변경된 것이 없으면 1회만 실행
+let previousRoofMaterialsYn = 'N' // 지붕재 select 정보 비교 후 변경된 것이 없으면 1회만 실행
 
 export function useCanvasSetting() {
   const canvas = useRecoilValue(canvasState)
@@ -163,12 +163,15 @@ export function useCanvasSetting() {
   const previousRoofMaterialsRef = useRef(null)
 
   useEffect(() => {
+    //console.log('🚀 ~ useEffect ~ roofMaterials 22 :', previousRoofMaterialsYn, roofMaterials.length , JSON.stringify(previousRoofMaterialsRef.current) !== JSON.stringify(roofMaterials))
     // 지붕재 select 정보가 존재해야 배치면초기설정 DB 정보 비교 후 지붕재 정보를 가져올 수 있음
     if (!previousObjectNoRef.current && !correntObjectNo && previousObjectNoRef.current !== correntObjectNo 
      || roofMaterials.length !== 0 && JSON.stringify(previousRoofMaterialsRef.current) !== JSON.stringify(roofMaterials)) {
       
-      if (roofMaterials) {
+      // 1회만 실행
+      if (roofMaterials && previousRoofMaterialsYn === 'N') {
         fetchBasicSettings()
+        previousRoofMaterialsYn = 'Y'
       }
 
       // 이전 값을 업데이트
@@ -441,7 +444,7 @@ export function useCanvasSetting() {
       const res = await get({ url: `/api/canvas-management/canvas-settings/by-object/${correntObjectNo}` })
       console.log('res', res)
 
-      if (res) {
+      if (res.length > 0) {
         const optionData1 = settingModalFirstOptions.option1.map((item) => ({ ...item, selected: res[item.column] }))
         const optionData2 = settingModalFirstOptions.option2.map((item) => ({ ...item, selected: res[item.column] }))
         const optionData3 = settingModalSecondOptions.option3.map((item) => ({ ...item }))