diff --git a/src/hooks/option/useCanvasSetting.js b/src/hooks/option/useCanvasSetting.js
index e4c02664..bdad3643 100644
--- a/src/hooks/option/useCanvasSetting.js
+++ b/src/hooks/option/useCanvasSetting.js
@@ -135,6 +135,7 @@ export function useCanvasSetting() {
       raft: item.raftBase && parseInt(item.raftBase),
       layout: ['ROOF_ID_SLATE', 'ROOF_ID_SINGLE'].includes(item.roofMatlCd) ? ROOF_MATERIAL_LAYOUT.STAIRS : ROOF_MATERIAL_LAYOUT.PARALLEL,
       hajebichi: item.roofPchBase && parseInt(item.roofPchBase),
+      pitch: item.pitch && parseInt(item.pitch),
     }))
     setRoofMaterials(roofLists)
     const selectedRoofMaterial = roofLists[0]
diff --git a/src/util/canvas-util.js b/src/util/canvas-util.js
index 991facc0..d9a9b4d2 100644
--- a/src/util/canvas-util.js
+++ b/src/util/canvas-util.js
@@ -259,7 +259,7 @@ export const getDegreeByChon = (chon) => {
   // tan(theta) = height / base
   const radians = Math.atan(chon / 10)
   // 라디안을 도 단위로 변환
-  return Number((radians * (180 / Math.PI)).toFixed(2))
+  return Number((radians * (180 / Math.PI)).toFixed(1))
 }
 
 /**
@@ -268,7 +268,7 @@ export const getDegreeByChon = (chon) => {
  * @returns {number}
  */
 export const getChonByDegree = (degree) => {
-  return Number((Math.tan((degree * Math.PI) / 180) * 10).toFixed(2))
+  return Number((Math.tan((degree * Math.PI) / 180) * 10).toFixed(1))
 }
 
 /**