diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index b28a3b47..31076b69 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -172,7 +172,7 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   addLengthText() {
     this.canvas
       ?.getObjects()
-      .filter((obj) => obj.name === 'lengthText' && obj.parent === this)
+      .filter((obj) => obj.name === 'lengthText' && obj.parentId === this.id)
       .forEach((text) => {
         this.canvas.remove(text)
       })
diff --git a/src/components/floor-plan/CanvasFrame.jsx b/src/components/floor-plan/CanvasFrame.jsx
index 086e9441..4cc08372 100644
--- a/src/components/floor-plan/CanvasFrame.jsx
+++ b/src/components/floor-plan/CanvasFrame.jsx
@@ -2,18 +2,20 @@
 
 import { useEffect, useRef } from 'react'
 
+import { useRecoilState, useRecoilValue } from 'recoil'
+
 import { useCanvas } from '@/hooks/useCanvas'
 import { useEvent } from '@/hooks/useEvent'
 import { usePlan } from '@/hooks/usePlan'
 import { useContextMenu } from '@/hooks/useContextMenu'
-import { useRecoilValue } from 'recoil'
-import { currentObjectState } from '@/store/canvasAtom'
+import { currentObjectState, modifiedPlanFlagState } from '@/store/canvasAtom'
 import { useCanvasEvent } from '@/hooks/useCanvasEvent'
 import QContextMenu from '@/components/common/context-menu/QContextMenu'
 import { useCanvasConfigInitialize } from '@/hooks/common/useCanvasConfigInitialize'
 
 export default function CanvasFrame({ plan }) {
   const canvasRef = useRef(null)
+  const [modifiedPlanFlag, setModifiedPlanFlag] = useRecoilState(modifiedPlanFlagState)
   const { canvas } = useCanvas('canvas')
   const { handleZoomClear } = useCanvasEvent()
   const { contextMenu, currentContextMenu, setCurrentContextMenu, handleClick } = useContextMenu({
@@ -21,7 +23,7 @@ export default function CanvasFrame({ plan }) {
       handleZoomClear,
     },
   })
-  const { checkCanvasObjectEvent, checkUnsavedCanvasPlan } = usePlan()
+  const { checkCanvasObjectEvent, resetModifiedPlans } = usePlan()
   const { canvasLoadInit, gridInit } = useCanvasConfigInitialize()
   const currentObject = useRecoilValue(currentObjectState)
 
@@ -40,8 +42,15 @@ export default function CanvasFrame({ plan }) {
     }
   }
 
+  useEffect(() => {
+    if (modifiedPlanFlag && plan?.id) {
+      checkCanvasObjectEvent(plan.id)
+    }
+  }, [modifiedPlanFlag])
+
   useEffect(() => {
     loadCanvas()
+    resetModifiedPlans()
   }, [plan, canvas])
 
   const onClickContextMenu = (index) => {}
diff --git a/src/components/floor-plan/CanvasLayout.jsx b/src/components/floor-plan/CanvasLayout.jsx
index 63722a64..ac247f6b 100644
--- a/src/components/floor-plan/CanvasLayout.jsx
+++ b/src/components/floor-plan/CanvasLayout.jsx
@@ -1,11 +1,12 @@
 'use client'
 
 import { useContext, useEffect, useState } from 'react'
-import { useRecoilValue } from 'recoil'
+import { useRecoilState, useRecoilValue } from 'recoil'
 import CanvasFrame from './CanvasFrame'
 import { useMessage } from '@/hooks/useMessage'
 import { useSwal } from '@/hooks/useSwal'
 import { usePlan } from '@/hooks/usePlan'
+import { modifiedPlansState } from '@/store/canvasAtom'
 import { globalLocaleStore } from '@/store/localeAtom'
 import { SessionContext } from '@/app/SessionProvider'
 
@@ -13,11 +14,12 @@ export default function CanvasLayout(props) {
   const { menuNumber } = props
   const { session } = useContext(SessionContext)
   const [objectNo, setObjectNo] = useState('test123240822001') // 이후 삭제 필요
+  const [modifiedPlans, setModifiedPlans] = useRecoilState(modifiedPlansState) // 변경된 canvas plan
   const globalLocaleState = useRecoilValue(globalLocaleStore)
 
   const { getMessage } = useMessage()
   const { swalFire } = useSwal()
-  const { plans, modifiedPlans, loadCanvasPlanData, handleCurrentPlan, handleAddPlan, handleDeletePlan } = usePlan()
+  const { plans, loadCanvasPlanData, handleCurrentPlan, handleAddPlan, handleDeletePlan } = usePlan()
 
   useEffect(() => {
     loadCanvasPlanData(session.userId, objectNo)
diff --git a/src/hooks/useCanvasEvent.js b/src/hooks/useCanvasEvent.js
index bf878c7b..0df650c0 100644
--- a/src/hooks/useCanvasEvent.js
+++ b/src/hooks/useCanvasEvent.js
@@ -1,7 +1,15 @@
 import { useState } from 'react'
 import { useRecoilState, useRecoilValue } from 'recoil'
 import { v4 as uuidv4 } from 'uuid'
-import { canvasSizeState, canvasState, canvasZoomState, currentObjectState, fontFamilyState, fontSizeState } from '@/store/canvasAtom'
+import {
+  canvasSizeState,
+  canvasState,
+  canvasZoomState,
+  currentObjectState,
+  fontFamilyState,
+  fontSizeState,
+  modifiedPlanFlagState,
+} from '@/store/canvasAtom'
 import { QPolygon } from '@/components/fabric/QPolygon'
 
 // 캔버스에 필요한 이벤트
@@ -13,6 +21,7 @@ export function useCanvasEvent() {
   const fontSize = useRecoilValue(fontSizeState)
   const fontFamily = useRecoilValue(fontFamilyState)
   const [canvasZoom, setCanvasZoom] = useRecoilState(canvasZoomState)
+  const [modifiedPlanFlag, setModifiedPlanFlag] = useRecoilState(modifiedPlanFlagState)
 
   // 기본적인 이벤트 필요시 추가
   const attachDefaultEventOnCanvas = () => {
@@ -34,14 +43,32 @@ export function useCanvasEvent() {
     onChange: (e) => {
       const target = e.target
 
+      if (target.name !== 'mouseLine') {
+        if (!modifiedPlanFlag) {
+          setModifiedPlanFlag((prev) => !prev)
+        }
+      }
+
       if (target) {
-        target.uuid = uuidv4()
         // settleDown(target)
       }
     },
     addEvent: (e) => {
       const target = e.target
 
+      if (!target.id) {
+        target.id = uuidv4()
+      }
+      if (!target.uuid) {
+        target.uuid = uuidv4()
+      }
+
+      if (target.name !== 'mouseLine') {
+        if (!modifiedPlanFlag) {
+          setModifiedPlanFlag((prev) => !prev)
+        }
+      }
+
       if (target.type === 'QPolygon' || target.type === 'QLine') {
         const textObjs = canvas?.getObjects().filter((obj) => obj.name === 'lengthText')
         textObjs.forEach((obj) => {
@@ -141,6 +168,9 @@ export function useCanvasEvent() {
         })*/
 
         target.on('moving', (e) => {
+          target.uuid = uuidv4()
+          setModifiedPlanFlag((prev) => !prev)
+
           if (target.parentDirection === 'left' || target.parentDirection === 'right') {
             const minX = target.minX
             const maxX = target.maxX
diff --git a/src/hooks/usePlan.js b/src/hooks/usePlan.js
index e00c78e8..8ed84af4 100644
--- a/src/hooks/usePlan.js
+++ b/src/hooks/usePlan.js
@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react'
 import { useRecoilState } from 'recoil'
-import { v4 as uuidv4 } from 'uuid'
-import { canvasState, currentCanvasPlanState, initCanvasPlansState, plansState, modifiedPlansState } from '@/store/canvasAtom'
+import { v4 as uuidv4, validate as isValidUUID } from 'uuid'
+import { canvasState, currentCanvasPlanState, initCanvasPlansState, plansState, modifiedPlansState, modifiedPlanFlagState } from '@/store/canvasAtom'
 import { useAxios } from '@/hooks/useAxios'
 import { useMessage } from '@/hooks/useMessage'
 import { useSwal } from '@/hooks/useSwal'
@@ -14,6 +14,7 @@ export function usePlan() {
   const [initCanvasPlans, setInitCanvasPlans] = useRecoilState(initCanvasPlansState) // DB에 저장된 plan
   const [plans, setPlans] = useRecoilState(plansState) // 전체 plan (DB에 저장된 plan + 저장 안된 새로운 plan)
   const [modifiedPlans, setModifiedPlans] = useRecoilState(modifiedPlansState) // 변경된 canvas plan
+  const [modifiedPlanFlag, setModifiedPlanFlag] = useRecoilState(modifiedPlanFlagState) // 캔버스 실시간 오브젝트 이벤트 감지 flag
 
   const { swalFire } = useSwal()
   const { getMessage } = useMessage()
@@ -90,30 +91,29 @@ export function usePlan() {
   }
 
   /**
-   * 캔버스에서 발생하는 실시간 오브젝트 이벤트를 감지하여 수정 여부를 판단
+   * 캔버스에서 발생하는 실시간 오브젝트 이벤트를 감지하여 수정 여부를 확인 후 관리
    */
-  const checkCanvasObjectEvent = (e, planId) => {
+  const checkCanvasObjectEvent = (planId) => {
     if (!modifiedPlans.some((modifiedPlan) => modifiedPlan === planId) && checkModifiedCanvasPlan(planId)) {
-      setModifiedPlans([...modifiedPlans, planId])
+      setModifiedPlans((prev) => [...prev, planId])
+      setModifiedPlanFlag(false)
     }
   }
-
   /**
    * 현재 캔버스 상태와 DB에 저장된 캔버스 상태를 비교하여 수정 여부를 판단
    */
   const checkModifiedCanvasPlan = (planId) => {
     const canvasStatus = currentCanvasData()
-    const initPlanData = initCanvasPlans.find((plan) => plan.id === planId)
-
-    if (!initPlanData) {
+    if (isValidUUID(planId)) {
       // 새로운 캔버스
       return JSON.parse(canvasStatus).objects.length > 0
     } else {
       // 저장된 캔버스
       // 각각 object들의 uuid 목록을 추출하여 비교
       const canvasObjsUuids = getObjectUuids(JSON.parse(canvasStatus).objects)
+      const initPlanData = initCanvasPlans.find((plan) => plan.id === planId)
       const dbObjsUuids = getObjectUuids(JSON.parse(initPlanData.canvasStatus).objects)
-      return canvasObjsUuids.length !== dbObjsUuids.length || !canvasObjsUuids.every((id, index) => id === dbObjsUuids[index])
+      return canvasObjsUuids.length !== dbObjsUuids.length || !canvasObjsUuids.every((uuid, index) => uuid === dbObjsUuids[index])
     }
   }
   const getObjectUuids = (objects) => {
@@ -122,10 +122,12 @@ export function usePlan() {
       .map((obj) => obj.uuid)
       .sort()
   }
-  /**
-   * 캔버스에 저장되지 않은 변경사항이 있는 경우 저장 여부를 확인 후 저장
-   */
-  const checkUnsavedCanvasPlan = async () => {
+
+  const resetModifiedPlans = () => {
+    setModifiedPlans([])
+    setModifiedPlanFlag(false)
+  }
+  const checkUnsavedCanvasPlan = (str) => {
     if (modifiedPlans.length > 0) {
       swalFire({
         text: `${currentCanvasPlan.name} ` + getMessage('plan.message.confirm.save'),
@@ -365,7 +367,7 @@ export function usePlan() {
     plans,
     modifiedPlans,
     checkCanvasObjectEvent,
-    checkUnsavedCanvasPlan,
+    resetModifiedPlans,
     saveCanvas,
     handleCurrentPlan,
     handleAddPlan,
diff --git a/src/store/canvasAtom.js b/src/store/canvasAtom.js
index d9878f2f..0f2428ee 100644
--- a/src/store/canvasAtom.js
+++ b/src/store/canvasAtom.js
@@ -275,6 +275,11 @@ export const modifiedPlansState = atom({
   key: 'modifiedPlansState',
   default: [],
 })
+// 변경감지 flag
+export const modifiedPlanFlagState = atom({
+  key: 'modifiedPlanFlagState',
+  default: false,
+})
 
 export const tempGridModeState = atom({
   key: 'tempGridModeState',