diff --git a/src/components/fabric/QLine.js b/src/components/fabric/QLine.js
index 4ee9535a..86a96845 100644
--- a/src/components/fabric/QLine.js
+++ b/src/components/fabric/QLine.js
@@ -21,9 +21,7 @@ export const QLine = fabric.util.createClass(fabric.Line, {
     }
     this.line = this
     // 소수점 전부 제거
-    points.forEach((point) => {
-      point = Math.round(point)
-    })
+    points = points.map((point) => Math.round(point))
 
     this.idx = options.idx ?? 0
     this.direction = options.direction ?? getDirectionByPoint({ x: this.x1, y: this.y1 }, { x: this.x2, y: this.y2 })
diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index 8068a772..decc99ae 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -24,8 +24,8 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
   initialize: function (points, options, canvas) {
     // 소수점 전부 제거
     points.forEach((point) => {
-      point.x = Math.round(point.x)
-      point.y = Math.round(point.y)
+      point.x = Number(point.x.toFixed(1))
+      point.y = Number(point.y.toFixed(1))
     })
     options.selectable = options.selectable ?? true
     options.sort = options.sort ?? true