diff --git a/src/hooks/floorPlan/estimate/useEstimateController.js b/src/hooks/floorPlan/estimate/useEstimateController.js
index 4a752a9f..ae37c8db 100644
--- a/src/hooks/floorPlan/estimate/useEstimateController.js
+++ b/src/hooks/floorPlan/estimate/useEstimateController.js
@@ -489,6 +489,19 @@ export const useEstimateController = (planNo, flag) => {
       })
   }
 
+  const handleDeleteEstimate = async (canvasStatus) => {
+    try {
+      setIsGlobalLoading(true)
+      await promisePost({ url: `${ESTIMATE_API_ENDPOINT}/delete-estimate`, data: canvasStatus }).then((res) => {
+        if (res.status === 201) {
+        }
+      })
+    } catch (e) {
+      console.error('error::::::::::::', e.response.data.message)
+    }
+    setIsGlobalLoading(false)
+  }
+
   /**
    * 전각20자 (반각40자)
    */
@@ -509,5 +522,6 @@ export const useEstimateController = (planNo, flag) => {
     fetchSetting,
     handleEstimateFileDownload,
     handleEstimateCopy,
+    handleDeleteEstimate,
   }
 }
diff --git a/src/hooks/useLine.js b/src/hooks/useLine.js
index fcf14312..9d1a48eb 100644
--- a/src/hooks/useLine.js
+++ b/src/hooks/useLine.js
@@ -159,5 +159,6 @@ export const useLine = () => {
     addPitchText,
     removePitchText,
     addPitchTextsByOuterLines,
+    getLengthByLine,
   }
 }
diff --git a/src/hooks/usePlan.js b/src/hooks/usePlan.js
index afae51c8..81d66455 100644
--- a/src/hooks/usePlan.js
+++ b/src/hooks/usePlan.js
@@ -30,6 +30,7 @@ import { useCanvasPopupStatusController } from './common/useCanvasPopupStatusCon
 import { useCanvasMenu } from './common/useCanvasMenu'
 import { QcastContext } from '@/app/QcastProvider'
 import { unescapeString } from '@/util/common-utils'
+import { useTrestle } from '@/hooks/module/useTrestle'
 
 /**
  * 플랜 처리 훅
@@ -54,7 +55,7 @@ export function usePlan(params = {}) {
   const { getMessage } = useMessage()
   const { get, post, promisePost, promisePut, promiseDel, promiseGet } = useAxios()
 
-  const { setEstimateContextState } = useEstimateController()
+  const { setEstimateContextState, handleDeleteEstimate } = useEstimateController()
 
   const resetOuterLinePoints = useResetRecoilState(outerLinePointsState)
   const resetPlacementShapeDrawingPoints = useResetRecoilState(placementShapeDrawingPointsState)
@@ -79,6 +80,8 @@ export function usePlan(params = {}) {
   //선택된 모듈 배치면 초기화
   const resetModuleSetupSurface = useResetRecoilState(moduleSetupSurfaceState)
 
+  const { isAllComplete } = useTrestle()
+
   /**
    * 마우스 포인터의 가이드라인 제거
    */
@@ -172,7 +175,11 @@ export function usePlan(params = {}) {
    */
   const saveCanvas = async (saveAlert = true) => {
     const canvasStatus = currentCanvasData('save')
-    await putCanvasStatus(canvasStatus, saveAlert)
+    const result = await putCanvasStatus(canvasStatus, saveAlert)
+    //캔버스 저장 완료 후
+    if (result && !isAllComplete()) {
+      handleDeleteEstimate(currentCanvasPlan)
+    }
   }
 
   /**
@@ -318,20 +325,24 @@ export function usePlan(params = {}) {
    * @param {boolean} saveAlert - 저장 완료 알림 표시 여부
    */
   const putCanvasStatus = async (canvasStatus, saveAlert = true) => {
+    let rtn = false
     const planData = {
       id: currentCanvasPlan.id,
       bgImageName: currentCanvasPlan?.bgImageName ?? null,
       mapPositionAddress: currentCanvasPlan?.mapPositionAddress ?? null,
       canvasStatus: canvasToDbFormat(canvasStatus),
     }
+
     await promisePut({ url: '/api/canvas-management/canvas-statuses', data: planData })
       .then((res) => {
         setPlans((plans) => plans.map((plan) => (plan.id === currentCanvasPlan.id ? { ...plan, canvasStatus: canvasStatus } : plan)))
         if (saveAlert) swalFire({ text: getMessage('plan.message.save') })
+        rtn = true
       })
       .catch((error) => {
         swalFire({ text: error.message, icon: 'error' })
       })
+    return rtn
   }
 
   /**
diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 39e82210..558bec36 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -15,6 +15,7 @@ import { flowDisplaySelector } from '@/store/settingAtom'
 import { fontSelector } from '@/store/fontAtom'
 import { QLine } from '@/components/fabric/QLine'
 import { LINE_TYPE, POLYGON_TYPE } from '@/common/common'
+import { useLine } from '@/hooks/useLine'
 
 export const usePolygon = () => {
   const canvas = useRecoilValue(canvasState)
@@ -24,6 +25,8 @@ export const usePolygon = () => {
   const currentAngleType = useRecoilValue(currentAngleTypeSelector)
   const pitchText = useRecoilValue(pitchTextSelector)
 
+  const { getLengthByLine } = useLine()
+
   const addPolygon = (points, options, isAddCanvas = true) => {
     const polygon = new QPolygon(points, {
       ...options,
@@ -1104,7 +1107,7 @@ export const usePolygon = () => {
         if (!representLine) {
           representLine = line
         } else {
-          if (representLine.length < line.length) {
+          if (getLengthByLine(representLine) < getLengthByLine(line)) {
             representLine = line
           }
         }