diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index ec0842b8..04ec7685 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -4873,13 +4873,14 @@ export function useMode() {
       let turfPolygon
       let manualDrawCells = drewRoofCells // 앞에서 자동으로 했을때 추가됨
       let direction
-
+      let trestlePolygon
       canvas.on('mouse:move', (e) => {
         //마우스 이벤트 삭제 후 재추가
         const mousePoint = canvas.getPointer(e.e)
 
         for (let i = 0; i < trestlePolygons.length; i++) {
           turfPolygon = polygonToTurfPolygon(trestlePolygons[i])
+          trestlePolygon = trestlePolygons[i]
           direction = trestlePolygons[i].direction //도형의 방향
           let width = direction === 'south' || direction === 'north' ? 172 : 113
           let height = direction === 'south' || direction === 'north' ? 113 : 172
@@ -5050,6 +5051,7 @@ export function useMode() {
             fabricPolygon.setCoords()
             canvas?.renderAll()
             inside = true
+            break
           } else {
             inside = false
           }
@@ -5078,12 +5080,12 @@ export function useMode() {
           fabricPolygon.set({ points: rectPoints })
           const tempTurfModule = polygonToTurfPolygon(fabricPolygon)
 
+          //도머 객체를 가져옴
           if (dormerTrestlePolygons) {
             dormerTrestlePolygons.forEach((dormerTrestle) => {
-              const dormerTurfPolygon = polygonToTurfPolygon(dormerTrestle)
-
-              const intersection = turf.intersect(turf.featureCollection([dormerTurfPolygon, tempTurfModule]))
-
+              const dormerTurfPolygon = polygonToTurfPolygon(dormerTrestle) //turf객체로 변환
+              const intersection = turf.intersect(turf.featureCollection([dormerTurfPolygon, tempTurfModule])) //겹치는지 확인
+              //겹치면 안됨
               if (intersection) {
                 alert('도머위에 모듈을 올릴 수 없습니다.')
                 isIntersection = false
@@ -5097,18 +5099,21 @@ export function useMode() {
 
           if (turf.booleanWithin(tempTurfModule, turfPolygon)) {
             //마우스 클릭시 set으로 해당 위치에 셀을 넣음
-
-            const isOverlap = manualDrawCells.some((cell) => turf.booleanOverlap(tempTurfModule, polygonToTurfPolygon(cell)))
+            const isOverlap = manualDrawCells.some((cell) => turf.booleanOverlap(tempTurfModule, polygonToTurfPolygon(cell))) //겹치는지 확인
             if (!isOverlap) {
               //안겹치면 넣는다
               fabricPolygon.setCoords()
               fabricPolygon.set({ name: 'cell', fill: '#BFFD9F' })
-              manualDrawCells.push(fabricPolygon)
+              manualDrawCells.push(fabricPolygon) //모듈배열에 추가
+              //해당 모듈에 프로퍼티로 넣는다
+              trestlePolygon.set({
+                modules: manualDrawCells,
+              })
             } else {
               alert('셀끼리 겹치면 안되죠?')
             }
           } else {
-            alert('나갔으요!!')
+            alert('나갔죠?!!')
           }
           setDrewRoofCells(manualDrawCells)
         }