diff --git a/src/hooks/surface/useRoofLinePropertySetting.js b/src/hooks/surface/useRoofLinePropertySetting.js
index 22fde4b6..ba5eedee 100644
--- a/src/hooks/surface/useRoofLinePropertySetting.js
+++ b/src/hooks/surface/useRoofLinePropertySetting.js
@@ -12,6 +12,7 @@ const LINE_COLOR = {
   GABLE: '#3FBAE6',
   RIDGE: '#9e9e9e',
   DEFAULT: '#000000',
+  ACTIVE: '#EA10AC',
 }
 
 export function useRoofLinePropertySetting(id, roof) {
@@ -23,9 +24,9 @@ export function useRoofLinePropertySetting(id, roof) {
   const { getMessage } = useMessage()
 
   useEffect(() => {
-    if (currentObject) {
+    if (currentObject && currentObject.name === 'roofLine') {
       currentObject.set({
-        stroke: '#EA10AC',
+        stroke: LINE_COLOR.ACTIVE,
         strokeWidth: 4,
       })
     }
@@ -35,17 +36,18 @@ export function useRoofLinePropertySetting(id, roof) {
     roof.lines.forEach((line) => {
       canvas.add(line)
       line.set({
-        stroke: '#000000',
+        stroke: LINE_COLOR.DEFAULT,
         strokeWidth: 4,
         visible: true,
+        name: 'roofLine',
       })
       line.bringToFront()
-      // line.setViewLengthText(false)
     })
     canvas.renderAll()
   }
 
   const handleSetEaves = () => {
+    if (!currentObject) return
     currentObject.set({
       attributes: {
         ...currentObject.attributes,
@@ -60,6 +62,7 @@ export function useRoofLinePropertySetting(id, roof) {
   }
 
   const handleSetGable = () => {
+    if (!currentObject) return
     currentObject.set({
       attributes: {
         ...currentObject.attributes,
@@ -74,6 +77,7 @@ export function useRoofLinePropertySetting(id, roof) {
   }
 
   const handleSetRidge = () => {
+    if (!currentObject) return
     currentObject.set({
       attributes: {
         ...currentObject.attributes,
@@ -93,7 +97,11 @@ export function useRoofLinePropertySetting(id, roof) {
     }
     const lastLine = history.current.pop()
 
-    delete lastLine.attributes
+    // delete lastLine.attributes
+    lastLine.attributes = {
+      ...lastLine.attributes,
+      type: null,
+    }
     lastLine.set({
       stroke: LINE_COLOR.DEFAULT,
       strokeWidth: 4,