diff --git a/src/hooks/roofcover/useEavesGableEdit.js b/src/hooks/roofcover/useEavesGableEdit.js
index b0085019..7696dc7a 100644
--- a/src/hooks/roofcover/useEavesGableEdit.js
+++ b/src/hooks/roofcover/useEavesGableEdit.js
@@ -170,7 +170,10 @@ export function useEavesGableEdit(id) {
     })
 
     const wallLines = canvas.getObjects().filter((obj) => obj.name === 'wallLine')
-
+    const removeTargets = canvas.getObjects().filter((obj) => obj.name === 'pitchText')
+    removeTargets.forEach((obj) => {
+      canvas.remove(obj)
+    })
     wallLines.forEach((wallLine) => {
       addPitchTextsByOuterLines()
       const roof = drawRoofPolygon(wallLine)
diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index 3f355111..3be745d6 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -130,6 +130,12 @@ export function useRoofAllocationSetting(id) {
       setSurfaceShapePattern(roof, roofDisplay.column)
       drawDirectionArrow(roof)
     })
+
+    const removeTargets = canvas.getObjects().filter((obj) => obj.name === 'outerLinePoint' || obj.name === 'outerLine')
+    removeTargets.forEach((obj) => {
+      canvas.remove(obj)
+    })
+
     closePopup(id)
   }
 
diff --git a/src/util/canvas-util.js b/src/util/canvas-util.js
index 9f8b9469..73464722 100644
--- a/src/util/canvas-util.js
+++ b/src/util/canvas-util.js
@@ -268,7 +268,7 @@ export const getDegreeByChon = (chon) => {
 export const getChonByDegree = (degree) => {
   // tan(theta) = height / base
   const radians = (degree * Math.PI) / 180
-  return Number(Number(Math.tan(radians) * 10).toFixed(1))
+  return Number(Number(Math.tan(radians) * 10).toFixed(2))
 }
 
 /**