diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index b0ec3a31..4e907c91 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -2726,16 +2726,26 @@ export const useTrestle = () => {
                   moduleRowResultData.touchedHalfSurfaceBracketCnt += 1
                 } else if (!halfBottomLeftModule && !findSamePointInBottom(exposedBottomModules, module, direction)) {
                   // 왼쪽 아래가 없고, 하단에 같은 점이 없는 경우는 touched는 1개, exposed는 2개
-                  moduleRowResultData.exposedHalfBottomBracketCnt += 1
-                  moduleRowResultData.touchedHalfSurfaceBracketCnt += 2
+                  if (level % 2 === 0) {
+                    moduleRowResultData.exposedHalfBottomBracketCnt += 1
+                    moduleRowResultData.touchedHalfSurfaceBracketCnt += 2
+                  } else {
+                    moduleRowResultData.exposedHalfBottomBracketCnt += 2
+                    moduleRowResultData.touchedHalfSurfaceBracketCnt += 1
+                  }
                 } else if (!halfBottomRightModule && findSamePointInBottom(exposedBottomModules, module, direction)) {
                   // 오른쪽 아래가 없고, 하단에 같은 점이 있는 경우는 exposed는 2개, touched는 1개
                   moduleRowResultData.exposedHalfBottomBracketCnt += 1
                   moduleRowResultData.touchedHalfSurfaceBracketCnt += 2
                 } else if (!halfBottomRightModule && !findSamePointInBottom(exposedBottomModules, module, direction)) {
                   // 오른쪽 아래가 없고, 하단에 같은 점이 없는 경우는 exposed는 1개, touched는 2개
-                  moduleRowResultData.exposedHalfBottomBracketCnt += 2
-                  moduleRowResultData.touchedHalfSurfaceBracketCnt += 1
+                  if (level % 2 === 0) {
+                    moduleRowResultData.exposedHalfBottomBracketCnt += 2
+                    moduleRowResultData.touchedHalfSurfaceBracketCnt += 1
+                  } else {
+                    moduleRowResultData.exposedHalfBottomBracketCnt += 1
+                    moduleRowResultData.touchedHalfSurfaceBracketCnt += 2
+                  }
                 }
               }
             }
@@ -2774,6 +2784,20 @@ export const useTrestle = () => {
             if (rackYn === 'N') {
               if (rackQty !== 3) {
                 moduleRowResultData.exposedHalfTopBracketCnt += rackQty / 2
+              } else {
+                if (halfTopLeftModule) {
+                  if (level % 2 === 0) {
+                    moduleRowResultData.exposedHalfTopBracketCnt += 2
+                  } else {
+                    moduleRowResultData.exposedHalfTopBracketCnt += 1
+                  }
+                } else if (halfTopRightModule) {
+                  if (level % 2 === 0) {
+                    moduleRowResultData.exposedHalfTopBracketCnt += 1
+                  } else {
+                    moduleRowResultData.exposedHalfTopBracketCnt += 2
+                  }
+                }
               }
             }
           } else if (!halfTopLeftModule && !halfTopRightModule) {
diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index 4e9351a8..d4417f9c 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -7250,11 +7250,12 @@ const drawHipLine = (points, canvas, roof, textMode, currentRoof, prevDegree, cu
   const baseX = Big(points[0]).minus(Big(points[2])).abs()
   const baseY = Big(points[1]).minus(Big(points[3])).abs()
   if (baseX.gt(1) && baseY.gt(1)) {
-    const base = calcLinePlaneSize({ x1: points[0], y1: points[1], x2: points[2], y2: points[3] }) / 10
-    const heightX = baseX.times(Math.tan((currentDegree * Math.PI) / 180)).round()
-    const heightY = baseY.times(Math.tan((prevDegree * Math.PI) / 180)).round()
-    const degreeX = Math.atan(heightX.div(base).toNumber()) / (Math.PI / 180)
-    const degreeY = Math.atan(heightY.div(base).toNumber()) / (Math.PI / 180)
+    const hypotenuse = calcLinePlaneSize({ x1: points[0], y1: points[1], x2: points[2], y2: points[3] })
+    const base = getAdjacent(hypotenuse)
+    const heightX = base * Math.tan((currentDegree * Math.PI) / 180)
+    const heightY = base * Math.tan((prevDegree * Math.PI) / 180)
+    const degreeX = Math.atan2(heightX, hypotenuse) * (180 / Math.PI)
+    const degreeY = Math.atan2(heightY, hypotenuse) * (180 / Math.PI)
     if (Math.abs(degreeX - degreeY) < 1) {
       currentDegree = degreeX
       prevDegree = degreeY