diff --git a/src/hooks/roofcover/useMovementSetting.js b/src/hooks/roofcover/useMovementSetting.js
index cb5c0f02..2525cdf6 100644
--- a/src/hooks/roofcover/useMovementSetting.js
+++ b/src/hooks/roofcover/useMovementSetting.js
@@ -180,18 +180,9 @@ export function useMovementSetting(id) {
       name: 'followLine',
     })
     canvas.add(followLine)
+    followLine.bringToFront()
     FOLLOW_LINE_REF.current = followLine
 
-    canvas.on('mouse:move', (event) => {
-      const mousePos = getIntersectMousePoint(event)
-      if (followLine.x1 === followLine.x2) {
-        followLine.left = mousePos.x - 2
-      } else {
-        followLine.top = mousePos.y - 2
-      }
-      canvas.renderAll()
-    })
-
     canvas.renderAll()
   }, [currentObject])
 
@@ -247,7 +238,9 @@ export function useMovementSetting(id) {
 
   const mouseMoveEvent = (e) => {
     //console.log('mouseMoveEvent:::::',e)
-    const target = canvas.getActiveObject()
+    // 기존에는 activeObject를 사용했으나, 이 기능에서는 선택된 라인을 비선택(selectable:false) 상태로 두므로
+    // 항상 selectedObject.current를 기준으로 계산한다.
+    const target = selectedObject.current
     if (!target) return
 
     // 디버깅 로그 추가
@@ -285,11 +278,23 @@ export function useMovementSetting(id) {
       }
     }
 
+    // followLine도 포인터를 따라가도록 동기화 (하나의 mouse:move 핸들러만 사용)
+    const followLine = FOLLOW_LINE_REF.current
+    if (followLine) {
+      if (followLine.x1 === followLine.x2) {
+        // 수직 라인: x만 이동
+        followLine.left = currentX.toNumber() - 2
+      } else {
+        // 수평 라인: y만 이동
+        followLine.top = currentY.toNumber() - 2
+      }
+      followLine.bringToFront()
+      followLine.setCoords && followLine.setCoords()
+      canvas.renderAll()
+    }
+
     // 방향 정보를 사용하여 라디오 버튼 상태 업데이트
 
-    //console.log(`방향: ${direction}, 값: ${value.toNumber()}`)
-
-
     currentCalculatedValue = value.toNumber()
 
     if (typeRef.current === TYPE.FLOW_LINE) {
@@ -618,11 +623,13 @@ export function useMovementSetting(id) {
         value = value.neg()
       }
     } else {
-      //console.log("error::", UP_DOWN_REF)
-      value =
-        UP_DOWN_REF.FILLED_INPUT_REF.current.value !== ''
-          ? Big(UP_DOWN_REF.FILLED_INPUT_REF.current.value)
-          : Big(UP_DOWN_REF.POINTER_INPUT_REF.current.value)
+      console.log("error::", UP_DOWN_REF.POINTER_INPUT_REF.current.value)
+      value = Big(
+        (UP_DOWN_REF?.FILLED_INPUT_REF?.current?.value?.trim() ||
+          UP_DOWN_REF?.POINTER_INPUT_REF?.current?.value?.trim() ||
+          '0'
+        )
+      );
 
       const midX = Big(target.x1).plus(target.x2).div(2)
       const midY = Big(target.y1).plus(target.y2).div(2)