diff --git a/src/hooks/roofcover/useOuterLineWall.js b/src/hooks/roofcover/useOuterLineWall.js
index 07dab81e..00405a3b 100644
--- a/src/hooks/roofcover/useOuterLineWall.js
+++ b/src/hooks/roofcover/useOuterLineWall.js
@@ -29,6 +29,7 @@ import {
 } from '@/store/outerLineAtom'
 import { calculateAngle } from '@/util/qpolygon-utils'
 import { fabric } from 'fabric'
+import { QLine } from '@/components/fabric/QLine'
 
 //외벽선 그리기
 export function useOuterLineWall(setShowOutlineModal) {
@@ -215,11 +216,11 @@ export function useOuterLineWall(setShowOutlineModal) {
         return
       }
 
-      /*if (lastPoint.x === firstPoint.x && lastPoint.y === firstPoint.y) {
+      if (Math.abs(lastPoint.x - firstPoint.x) < 1 && Math.abs(lastPoint.y - firstPoint.y) < 1) {
         return
       }
 
-      if (lastPoint.x === firstPoint.x || lastPoint.y === firstPoint.y) {
+      if (Math.abs(lastPoint.x - firstPoint.x) < 1 || Math.abs(lastPoint.y - firstPoint.y) < 1) {
         let isAllRightAngle = true
 
         const firstPoint = points[0]
@@ -238,38 +239,27 @@ export function useOuterLineWall(setShowOutlineModal) {
         if (isAllRightAngle) {
           return
         }
-        const line = new QLine([lastPoint.x, lastPoint.y, firstPoint.x, firstPoint.y], {
+        const line = addLine([lastPoint.x, lastPoint.y, firstPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           selectable: false,
           name: 'helpGuideLine',
         })
-
-        canvas?.add(line)
-        addLineText(line)
       } else {
-        const guideLine1 = new QLine([lastPoint.x, lastPoint.y, lastPoint.x, firstPoint.y], {
+        const guideLine1 = addLine([lastPoint.x, lastPoint.y, lastPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           strokeDashArray: [1, 1, 1],
           name: 'helpGuideLine',
         })
 
-        const guideLine2 = new QLine([guideLine1.x2, guideLine1.y2, firstPoint.x, firstPoint.y], {
+        const guideLine2 = addLine([guideLine1.x2, guideLine1.y2, firstPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           strokeDashArray: [1, 1, 1],
           name: 'helpGuideLine',
         })
-        if (guideLine1.length > 0) {
-          canvas?.add(guideLine1)
-          addLineText(guideLine1)
-        }
-
-        canvas?.add(guideLine2)
-
-        addLineText(guideLine2)
-      }*/
+      }
     }
   }, [points])
 
diff --git a/src/hooks/surface/usePlacementShapeDrawing.js b/src/hooks/surface/usePlacementShapeDrawing.js
index 4df37618..123e991d 100644
--- a/src/hooks/surface/usePlacementShapeDrawing.js
+++ b/src/hooks/surface/usePlacementShapeDrawing.js
@@ -232,11 +232,11 @@ export function usePlacementShapeDrawing(setShowPlaceShapeDrawingModal) {
         return
       }
 
-      /*if (lastPoint.x === firstPoint.x && lastPoint.y === firstPoint.y) {
+      if (Math.abs(lastPoint.x - firstPoint.x) < 1 && Math.abs(lastPoint.y - firstPoint.y) < 1) {
         return
       }
 
-      if (lastPoint.x === firstPoint.x || lastPoint.y === firstPoint.y) {
+      if (Math.abs(lastPoint.x - firstPoint.x) < 1 || Math.abs(lastPoint.y - firstPoint.y) < 1) {
         let isAllRightAngle = true
 
         const firstPoint = points[0]
@@ -255,38 +255,27 @@ export function usePlacementShapeDrawing(setShowPlaceShapeDrawingModal) {
         if (isAllRightAngle) {
           return
         }
-        const line = new QLine([lastPoint.x, lastPoint.y, firstPoint.x, firstPoint.y], {
+        const line = addLine([lastPoint.x, lastPoint.y, firstPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           selectable: false,
           name: 'helpGuideLine',
         })
-
-        canvas?.add(line)
-        addLineText(line)
       } else {
-        const guideLine1 = new QLine([lastPoint.x, lastPoint.y, lastPoint.x, firstPoint.y], {
+        const guideLine1 = addLine([lastPoint.x, lastPoint.y, lastPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           strokeDashArray: [1, 1, 1],
           name: 'helpGuideLine',
         })
 
-        const guideLine2 = new QLine([guideLine1.x2, guideLine1.y2, firstPoint.x, firstPoint.y], {
+        const guideLine2 = addLine([guideLine1.x2, guideLine1.y2, firstPoint.x, firstPoint.y], {
           stroke: 'grey',
           strokeWidth: 1,
           strokeDashArray: [1, 1, 1],
           name: 'helpGuideLine',
         })
-        if (guideLine1.length > 0) {
-          canvas?.add(guideLine1)
-          addLineText(guideLine1)
-        }
-
-        canvas?.add(guideLine2)
-
-        addLineText(guideLine2)
-      }*/
+      }
     }
   }, [points])
 
diff --git a/src/hooks/useLine.js b/src/hooks/useLine.js
index f2941e33..a313d127 100644
--- a/src/hooks/useLine.js
+++ b/src/hooks/useLine.js
@@ -14,7 +14,7 @@ export const useLine = () => {
       fontFamily: fontFamily,
     })
 
-    if (line.length === 0) {
+    if (line.length < 1) {
       return null
     }