diff --git a/src/hooks/common/useCanvasConfigInitialize.js b/src/hooks/common/useCanvasConfigInitialize.js
index 91d65edb..46b71588 100644
--- a/src/hooks/common/useCanvasConfigInitialize.js
+++ b/src/hooks/common/useCanvasConfigInitialize.js
@@ -9,7 +9,7 @@ import { globalFontAtom } from '@/store/fontAtom'
 import { useRoof } from '@/hooks/common/useRoof'
 import { usePolygon } from '@/hooks/usePolygon'
 import { useRoofFn } from '@/hooks/common/useRoofFn'
-import { POLYGON_TYPE } from '@/common/common'
+import { LINE_TYPE, POLYGON_TYPE } from '@/common/common'
 
 export function useCanvasConfigInitialize() {
   const canvas = useRecoilValue(canvasState)
@@ -64,6 +64,7 @@ export function useCanvasConfigInitialize() {
     groupDimensionInit()
     reGroupInit() //그룹 객체 재그룹
     moduleInit()
+    innerLinesInit() // innerLines 세팅 추가
   }
 
   const gridInit = () => {
@@ -228,5 +229,23 @@ export function useCanvasConfigInitialize() {
     })
   }
 
+  const innerLinesInit = () => {
+    const roofs = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.ROOF)
+    // innerLine이 세팅이 안되어있는경우 찾아서 세팅한다.
+    let innerLineTypes = Object.keys(LINE_TYPE.SUBLINE).map((key, value) => LINE_TYPE.SUBLINE[key])
+
+    roofs.forEach((roof) => {
+      roof.innerLines = canvas
+        .getObjects()
+        .filter(
+          (obj) =>
+            obj.type === 'QLine' &&
+            obj.attributes?.type !== 'pitchSizeLine' &&
+            obj.attributes?.roofId === roof.id &&
+            innerLineTypes.includes(obj.name),
+        )
+    })
+  }
+
   return { canvasLoadInit, gridInit }
 }