diff --git a/src/components/common/input/CalcInput.jsx b/src/components/common/input/CalcInput.jsx
index 37bd00ef..9cfddfd4 100644
--- a/src/components/common/input/CalcInput.jsx
+++ b/src/components/common/input/CalcInput.jsx
@@ -340,13 +340,19 @@ export const CalculatorInput = forwardRef(
 
       // Tab 키는 계산기 숨기고 기본 동작 허용
       if (e.key === 'Tab') {
+        if (hasOperation) {
+          handleCompute(true) // 계산 수행
+        }
         setShowKeypad(false)
         return
       }
 
       // 모든 방향키는 기본 동작 허용
       if (e.key === 'ArrowLeft' || e.key === 'ArrowRight' || e.key === 'ArrowUp' || e.key === 'ArrowDown') {
-        setShowKeypad(true)
+        if (hasOperation) {
+          handleCompute(true) // 계산 수행
+        }
+        setShowKeypad(false)
         return
       }
 
@@ -360,6 +366,12 @@ export const CalculatorInput = forwardRef(
         return
       }
 
+      // --- 여기서부터는 브라우저의 기본 입력을 막고 계산기 로직만 적용함 ---
+      if (e.key !== 'Process') { // 한글 입력 등 특수 상황 방지 (필요시)
+        // e.preventDefault() 호출 위치를 확인하세요.
+      }
+
+
       e.preventDefault()
       const calculator = calculatorRef.current
       const { allowDecimal } = options
diff --git a/src/components/estimate/Estimate.jsx b/src/components/estimate/Estimate.jsx
index a8f5f148..ee2fab4b 100644
--- a/src/components/estimate/Estimate.jsx
+++ b/src/components/estimate/Estimate.jsx
@@ -1465,19 +1465,19 @@ export default function Estimate({}) {
                                   : 'none',
                             }}
                           >
-                            <input
-                              type="radio"
-                              name="estimateType"
-                              id="YJSS"
-                              value={'YJSS'}
-                              checked={estimateContextState?.estimateType === 'YJSS' ? true : false}
-                              onChange={(e) => {
-                                //주문분류
-                                setHandlePricingFlag(true)
-                                setEstimateContextState({ estimateType: e.target.value, setEstimateContextState })
-                              }}
-                            />
-                            <label htmlFor="YJSS">{getMessage('estimate.detail.estimateType.yjss')}</label>
+                            {/*<input*/}
+                            {/*  type="radio"*/}
+                            {/*  name="estimateType"*/}
+                            {/*  id="YJSS"*/}
+                            {/*  value={'YJSS'}*/}
+                            {/*  checked={estimateContextState?.estimateType === 'YJSS' ? true : false}*/}
+                            {/*  onChange={(e) => {*/}
+                            {/*    //주문분류*/}
+                            {/*    setHandlePricingFlag(true)*/}
+                            {/*    setEstimateContextState({ estimateType: e.target.value, setEstimateContextState })*/}
+                            {/*  }}*/}
+                            {/*/>*/}
+                            {/*<label htmlFor="YJSS">{getMessage('estimate.detail.estimateType.yjss')}</label>*/}
                           </div>
                           <div className="d-check-radio light">
                             <input
diff --git a/src/components/fabric/QLine.js b/src/components/fabric/QLine.js
index 4608bd58..f55e351b 100644
--- a/src/components/fabric/QLine.js
+++ b/src/components/fabric/QLine.js
@@ -72,13 +72,17 @@ export const QLine = fabric.util.createClass(fabric.Line, {
 
   setLength() {
     // Ensure all required properties are valid numbers
-    const { x1, y1, x2, y2 } = this;
+    const { x1, y1, x2, y2 } = this
     if (isNaN(x1) || isNaN(y1) || isNaN(x2) || isNaN(y2)) {
-      logger.error('Invalid coordinates in QLine:', { x1, y1, x2, y2 });
-      this.length = 0;
-      return;
+      logger.error('Invalid coordinates in QLine:', { x1, y1, x2, y2 })
+      this.length = 0
+      return
     }
-    this.length = calcLinePlaneSize({ x1, y1, x2, y2 }) / 10;
+    this.length = calcLinePlaneSize({ x1, y1, x2, y2 }) / 10
+  },
+
+  setLengthByValue(length) {
+    this.length = length / 10
   },
 
   addLengthText() {
diff --git a/src/components/floor-plan/modal/lineTypes/DoublePitch.jsx b/src/components/floor-plan/modal/lineTypes/DoublePitch.jsx
index 12ed66be..4919462b 100644
--- a/src/components/floor-plan/modal/lineTypes/DoublePitch.jsx
+++ b/src/components/floor-plan/modal/lineTypes/DoublePitch.jsx
@@ -26,17 +26,15 @@ export default function DoublePitch({ props }) {
     arrow2Ref,
   } = props
 
-  const getLength2 = () => {
-    const angle1Value = angle1Ref.current.value
-    const angle2Value = angle2Ref.current.value
-    const length1Value = length1Ref.current.value
+  const getLength2 = (angle1, angle2, length1) => {
+    const angle1Value = angle1 !== undefined ? angle1 : angle1Ref.current?.value
+    const angle2Value = angle2 !== undefined ? angle2 : angle2Ref.current?.value
+    const length1Value = length1 !== undefined ? length1 : length1Ref.current?.value
 
     const arrow1Value = arrow1Ref.current
-    const arrow2Value = arrow2Ref.current
 
-    if (angle1Value !== 0 && length1Value !== 0 && angle2Value !== 0 && arrow1Value !== '') {
+    if (!isNaN(Number(angle1Value)) && !isNaN(Number(length1Value)) && !isNaN(Number(angle2Value)) && arrow1Value) {
       const radian1 = (getDegreeByChon(angle1Value) * Math.PI) / 180
-
       const radian2 = (getDegreeByChon(angle2Value) * Math.PI) / 180
       return Math.floor((Math.tan(radian1) * length1Value) / Math.tan(radian2))
     }
@@ -178,7 +176,7 @@ export default function DoublePitch({ props }) {
                 ref={angle2Ref}
                 onChange={(value) => {
                   setAngle2(value)
-                  setLength2(getLength2())
+                  setLength2(getLength2(angle1Ref.current?.value, value, length1Ref.current?.value))
                 }}
                 placeholder="45"
                 onFocus={() => (angle2Ref.current.value = '')}
diff --git a/src/components/floor-plan/modal/lineTypes/RightAngle.jsx b/src/components/floor-plan/modal/lineTypes/RightAngle.jsx
index ef2f00e2..a4356b4a 100644
--- a/src/components/floor-plan/modal/lineTypes/RightAngle.jsx
+++ b/src/components/floor-plan/modal/lineTypes/RightAngle.jsx
@@ -61,28 +61,40 @@ export default function RightAngle({ props }) {
           <div className="grid-direction">
             <button
               className={`direction up ${arrow1 === '↑' ? 'act' : ''}`}
-              onClick={() => {
+              onMouseDown={(e) => {
+                e.preventDefault(); // 포커스가 input에서 버튼으로 옮겨가는 것을 원천 차단
+              }}
+              onClick={(e) => {
                 setArrow1('↑')
                 document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowUp' }))
               }}
             ></button>
             <button
               className={`direction down ${arrow1 === '↓' ? 'act' : ''}`}
-              onClick={() => {
+              onMouseDown={(e) => {
+                e.preventDefault(); // 포커스가 input에서 버튼으로 옮겨가는 것을 원천 차단
+              }}
+              onClick={(e) => {
                 setArrow1('↓')
                 document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowDown' }))
               }}
             ></button>
             <button
               className={`direction left ${arrow1 === '←' ? 'act' : ''}`}
-              onClick={() => {
+              onMouseDown={(e) => {
+                e.preventDefault(); // 포커스가 input에서 버튼으로 옮겨가는 것을 원천 차단
+              }}
+              onClick={(e) => {
                 setArrow1('←')
                 document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowLeft' }))
               }}
             ></button>
             <button
               className={`direction right ${arrow1 === '→' ? 'act' : ''}`}
-              onClick={() => {
+              onMouseDown={(e) => {
+                e.preventDefault(); // 포커스가 input에서 버튼으로 옮겨가는 것을 원천 차단
+              }}
+                onClick={(e) => {
                 setArrow1('→')
                 document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowRight' }))
               }}
diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 658c8c22..0899afcb 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -44,6 +44,9 @@ export const useTrestle = () => {
       // exposedBottomPoints는 노출 최하면 들의 centerPoint 배열.
 
       const surfaces = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE_SETUP_SURFACE)
+      surfaces.forEach((surface) => {
+        surface.set({ quotationParam: null })
+      })
       // 기존 eaveBar를 삭제
       canvas.getObjects().forEach((obj) => {
         if (obj.name === 'eaveBar' || obj.name === 'rack' || obj.name === 'halfEaveBar' || obj.name === 'smartRack') {
@@ -744,18 +747,17 @@ export const useTrestle = () => {
       return
     }
     //itemList = data
-// itemList에 northModuleYn 추가
-    itemList = data.map(item => {
-      if (item.itemTpCd === "MODULE") {
-        const matchedModule = modules.find(module => module.moduleItemId === item.itemId);
+    // itemList에 northModuleYn 추가
+    itemList = data.map((item) => {
+      if (item.itemTpCd === 'MODULE') {
+        const matchedModule = modules.find((module) => module.moduleItemId === item.itemId)
         return {
           ...item,
-          northModuleYn: matchedModule?.northModuleYn || 'N'
-        };
+          northModuleYn: matchedModule?.northModuleYn || 'N',
+        }
       }
-      return item;
-    });
-
+      return item
+    })
 
     //northArrangement 북면 설치 여부
     const northArrangement = getNorthArrangement()
@@ -820,11 +822,11 @@ export const useTrestle = () => {
   // 발전 시뮬레이션 용 각도 재계산
   const getAzimuth = (parent) => {
     if (typeof parent === 'string') {
-      console.warn('getAzimuth: parent is string, expected object', parent);
-      return 0; // 또는 적절한 기본값
+      console.warn('getAzimuth: parent is string, expected object', parent)
+      return 0 // 또는 적절한 기본값
     }
 
-    const { moduleCompass, surfaceCompass, direction } = parent || {};
+    const { moduleCompass, surfaceCompass, direction } = parent || {}
 
     if (surfaceCompass) {
       return -surfaceCompass
@@ -2603,7 +2605,7 @@ export const useTrestle = () => {
       return {
         moduleTpCd: module.moduleInfo.itemTp,
         moduleItemId: module.moduleInfo.itemId,
-        northModuleYn: module?.moduleInfo?.northModuleYn || 'N'  // 기본값 'N'
+        northModuleYn: module?.moduleInfo?.northModuleYn || 'N', // 기본값 'N'
       }
     })
 
@@ -2615,7 +2617,7 @@ export const useTrestle = () => {
           moduleTpCd: cur.moduleTpCd,
           moduleItemId: cur.moduleItemId,
           cnt: 0,
-          northModuleYn: cur.northModuleYn
+          northModuleYn: cur.northModuleYn,
         }
       }
       acc[key].cnt++
@@ -2628,7 +2630,7 @@ export const useTrestle = () => {
         moduleTpCd: groupedParam.moduleTpCd,
         moduleItemId: groupedParam.moduleItemId,
         moduleCnt: groupedParam.cnt,
-        northModuleYn: groupedParam.northModuleYn
+        northModuleYn: groupedParam.northModuleYn,
         // northModuleYn: params.find(p =>
         //   p.moduleTpCd === groupedParam.moduleTpCd &&
         //   p.moduleItemId === groupedParam.moduleItemId
diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index 69479eef..a49e856e 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -185,7 +185,7 @@ export function useRoofAllocationSetting(id) {
         })
       }
 
-      const firstRes = Array.isArray(res) && res.length > 0 ? res[0] : null
+      const firstRes = Array.isArray(response) && response.length > 0 ? response[0] : null
 
       setBasicSetting({
         ...basicSetting,
@@ -323,42 +323,19 @@ export function useRoofAllocationSetting(id) {
   }
 
   const drawOriginRoofLine = () => {
-    // outerLinePoints 배열을 이용하여 빨간색 Line 객체들 생성
-    if (outerLinePoints && outerLinePoints.length > 1) {
-      // 연속된 점들을 연결하여 라인 생성
-      for (let i = 0; i < outerLinePoints.length - 1; i++) {
-        const point1 = outerLinePoints[i]
-        const point2 = outerLinePoints[i + 1]
-
-        const line = new fabric.Line([point1.x, point1.y, point2.x, point2.y], {
-          stroke: 'black',
-          strokeDashArray: [5, 2],
-          strokeWidth: 1,
-          selectable: false,
-          name: 'originRoofOuterLine',
-          visible: outlineDisplay,
-        })
-
-        canvas.add(line)
-      }
-
-      // 마지막 점과 첫 점을 연결하여 폐곡선 만들기
-      if (outerLinePoints.length > 2) {
-        const lastPoint = outerLinePoints[outerLinePoints.length - 1]
-        const firstPoint = outerLinePoints[0]
-
-        const closingLine = new fabric.Line([lastPoint.x, lastPoint.y, firstPoint.x, firstPoint.y], {
-          stroke: 'red',
-          strokeWidth: 2,
-          selectable: false,
-          name: 'originRoofOuterLine',
-        })
-
-        canvas.add(closingLine)
-      }
-
-      canvas.renderAll()
-    }
+    const wallLines = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.WALL)
+    /** 벽면 삭제 */
+    wallLines.forEach((wallLine) => {
+      wallLine.set({
+        stroke: 'black',
+        strokeDashArray: [5, 2],
+        strokeWidth: 1,
+        selectable: false,
+        name: 'originRoofOuterLine',
+        visible: outlineDisplay,
+      })
+    })
+    canvas.renderAll()
   }
 
   /**
diff --git a/src/hooks/useLine.js b/src/hooks/useLine.js
index 66dff769..c9de0194 100644
--- a/src/hooks/useLine.js
+++ b/src/hooks/useLine.js
@@ -10,7 +10,7 @@ import {
 } from '@/store/canvasAtom'
 import { QLine } from '@/components/fabric/QLine'
 import { basicSettingState } from '@/store/settingAtom'
-import { calcLineActualSize } from '@/util/qpolygon-utils'
+import { calcLineActualSizeByLineLength } from '@/util/qpolygon-utils'
 import { getDegreeByChon } from '@/util/canvas-util'
 import { useText } from '@/hooks/useText'
 import { fontSelector } from '@/store/fontAtom'
@@ -181,7 +181,7 @@ export const useLine = () => {
         if (isVertical) {
           line.attributes = {
             ...line.attributes,
-            actualSize: calcLineActualSize(line, getDegreeByChon(pitch)),
+            actualSize: calcLineActualSizeByLineLength(lineLength, getDegreeByChon(pitch)),
           }
         } else if (isDiagonal) {
           const yLength = Math.abs(y2 - y1) * 10
@@ -195,7 +195,7 @@ export const useLine = () => {
         if (isHorizontal) {
           line.attributes = {
             ...line.attributes,
-            actualSize: calcLineActualSize(line, getDegreeByChon(pitch)),
+            actualSize: calcLineActualSizeByLineLength(lineLength, getDegreeByChon(pitch)),
           }
         } else if (isDiagonal) {
           const xLength = Math.abs(x2 - x1) * 10
diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 011b8852..bc63c50c 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -1380,6 +1380,8 @@ export const usePolygon = () => {
     // 나눠서 중복 제거된 roof return
     let newRoofs = getSplitRoofsPoints(allLines)
 
+    const createdRoofs = []
+
     newRoofs = newRoofs.filter((roof) => roof.length !== 0)
     newRoofs.forEach((roofPoint, index) => {
       let defense, pitch
@@ -1622,8 +1624,8 @@ export const usePolygon = () => {
         })
       })
 
-      canvas.add(roof)
-      addLengthText(roof)
+      // canvas.add(roof)
+      createdRoofs.push(roof)
       canvas.remove(polygon)
       canvas.renderAll()
     })
@@ -1633,6 +1635,11 @@ export const usePolygon = () => {
     auxiliaryLines.forEach((line) => {
       canvas.remove(line)
     })
+
+    createdRoofs.forEach((roof) => {
+      canvas.add(roof)
+    })
+
     canvas.renderAll()
     canvas.discardActiveObject()
   }
@@ -1967,6 +1974,22 @@ export const usePolygon = () => {
       return
     }
 
+    // createdRoofs들의 모든 lines를 확인해서 length값이 1이하인 차이가 있으면 통일 시킨다.
+    const allRoofs = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.ROOF)
+    const allRoofLines = allRoofs.flatMap((roof) => roof.lines)
+    for (let i = 0; i < allRoofLines.length; i++) {
+      for (let j = i + 1; j < allRoofLines.length; j++) {
+        const line1 = allRoofLines[i]
+        const line2 = allRoofLines[j]
+        const diff = Math.abs(line1.length - line2.length)
+        if (diff > 0 && diff <= 1) {
+          const minLength = Math.min(line1.length, line2.length)
+          line1.setLengthByValue(minLength * 10)
+          line2.setLengthByValue(minLength * 10)
+        }
+      }
+    }
+
     polygon.lines.forEach((line) => {
       setActualSize(line, polygon.direction, +polygon.roofMaterial?.pitch)
     })
diff --git a/src/locales/ja.json b/src/locales/ja.json
index 7fb83f4e..85865ecc 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -656,7 +656,7 @@
   "myinfo.message.password.error": "パスワードが間違っています。",
   "login": "ログイン",
   "login.auto.page.text": "自動ログイン中です。",
-  "login.fail": "계정이 없거나 비밀번호가 잘못되었습니다.",
+  "login.fail": "アカウント未登録か、パスワードが正しくありません。",
   "login.id.save": "ID保存",
   "login.id.placeholder": "IDを入力してください。",
   "login.password.placeholder": "パスワードを入力してください。",
diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index abcd66ce..e1ff8575 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -5992,6 +5992,17 @@ export const calcLineActualSize = (points, degree = 0) => {
   return Big(planeSize).div(theta).round().toNumber()
 }
 
+/**
+ * 포인트와 기울기를 기준으로 선의 길이를 구한다.
+ * @param lineLength
+ * @param degree
+ * @returns number
+ */
+export const calcLineActualSizeByLineLength = (lineLength, degree = 0) => {
+  const theta = Big(Math.cos(Big(degree).times(Math.PI).div(180)))
+  return Big(lineLength).div(theta).round().toNumber()
+}
+
 export const createLinesFromPolygon = (points) => {
   const lines = []
   for (let i = 0; i < points.length; i++) {