diff --git a/__test__/EdgeSealing/BoardHighHole.test.ts b/__test__/EdgeSealing/BoardHighHole.test.ts
new file mode 100644
index 000000000..5b0cf1759
--- /dev/null
+++ b/__test__/EdgeSealing/BoardHighHole.test.ts
@@ -0,0 +1,28 @@
+import { InitRectBoardHoleOption, IRectHoleOption, SetRectHighHole } from "../../src/Add-on/DrawDrilling/HoleUtils";
+import "../Utils/jest.util";
+import { LoadBoardsFromFileData } from "../Utils/LoadEntity.util";
+
+test('分析上下左右排钻错误', () =>
+{
+    let d = { "file": [1, "Board", 8, 2, 100, false, 1, 3, 0, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, -663.6125654450263, 18, -228.07330801010744, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -663.6125654450263, 18, -228.07330801010744, 1], 0, 3, 1583.8020726116358, 409.9999999999068, 18, true, "Polyline", 8, 2, 0, false, 0, 3, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 2052, 2475.00000958101, 0, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 2052, 2475.00000958101, 0, 1], 0, 2, 4, [-1642.0000000000932, -2475.00000958101], 0, [-1642.0000000000932, -891.1979369693743], 0, [-2052, -891.1979369693743], 0, [-2052, -2475], 0, true, 0, 3, 0, 0, 0, 0, 0, 10, 2, "左开门板", "男孩房衣柜", "门板+见光板", "4*9尺华纶卡其L1075", "颗粒板", "华纶卡其L1075", 0, 0, "不排", 2, 0, "0.8", "0.8", "0.8", "0.8", "", "", "", 4, "不排", "不排", "不排", "不排", true, true, 0, 0, 0, 0, 0, 0, 0, 0, true, 0, 0], "basePt": { "x": -663.6125654450263, "y": 0, "z": -228.07330801010744 }, "ucs": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1] };
+    let brs = LoadBoardsFromFileData(d);
+
+    let rectHoleOption: IRectHoleOption = {
+        up: "",
+        down: "",
+        left: "",
+        right: ""
+    };
+
+    InitRectBoardHoleOption(brs[0], rectHoleOption);
+    expect(rectHoleOption).toMatchSnapshot();
+
+
+    SetRectHighHole(brs[0], {
+        up: "三合一",
+        down: "二合一",
+        left: "不排",
+        right: "不排"
+    });
+    expect(brs[0].BoardProcessOption.highDrill).toMatchSnapshot();
+});
diff --git a/__test__/EdgeSealing/__snapshots__/BoardHighHole.test.ts.snap b/__test__/EdgeSealing/__snapshots__/BoardHighHole.test.ts.snap
new file mode 100644
index 000000000..99a317f9b
--- /dev/null
+++ b/__test__/EdgeSealing/__snapshots__/BoardHighHole.test.ts.snap
@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`分析上下左右排钻错误 1`] = `
+Object {
+  "down": "不排",
+  "left": "不排",
+  "right": "不排",
+  "up": "不排",
+}
+`;
+
+exports[`分析上下左右排钻错误 2`] = `
+Array [
+  "不排",
+  "三合一",
+  "不排",
+  "二合一",
+]
+`;
diff --git a/src/Add-on/DrawDrilling/HoleUtils.ts b/src/Add-on/DrawDrilling/HoleUtils.ts
index 2cae802cb..d30763743 100644
--- a/src/Add-on/DrawDrilling/HoleUtils.ts
+++ b/src/Add-on/DrawDrilling/HoleUtils.ts
@@ -9,7 +9,7 @@ import { Circle } from "../../DatabaseServices/Entity/Circle";
 import { Curve } from "../../DatabaseServices/Entity/Curve";
 import { Line } from "../../DatabaseServices/Entity/Line";
 import { Polyline } from "../../DatabaseServices/Entity/Polyline";
-import { angle, equaln, isParallelTo, rotatePoint, ZAxis } from "../../Geometry/GeUtils";
+import { angle, clampRad, isParallelTo, rotatePoint, ZAxis } from "../../Geometry/GeUtils";
 import { DrillType } from "../../UI/Store/BoardInterface";
 
 export const SCALAR = 0.1;
@@ -166,7 +166,9 @@ export function InitRectBoardHoleOption(br: Board, option: IRectHoleOption)
         let c = cus[i];
         let derv = c.GetFistDeriv(0).multiplyScalar(dir);
         let an = angle(derv);
-        if (equaln(an, 0) || (an < Math.PI / 4 + 1e-8 && an > Math.PI * 7 / 4))
+        an = clampRad(an);
+
+        if (an < Math.PI / 4 + 1e-8 || an > Math.PI * 7 / 4)
             option.down = hightDrill[i];
         else if (an > Math.PI / 4 && an < Math.PI * 3 / 4 + 1e-8)
             option.right = hightDrill[i];
@@ -207,7 +209,9 @@ export function SetRectHighHole(br: Board, option: IRectHoleOption)
         let c = cus[i];
         let derv = c.GetFistDeriv(0).multiplyScalar(dir);
         let an = angle(derv);
-        if (equaln(an, 0) || (an < Math.PI / 4 + 1e-8 && an > Math.PI * 7 / 4))
+        an = clampRad(an);
+
+        if (an < Math.PI / 4 + 1e-8 || an > Math.PI * 7 / 4)
             highDrill.push(option.down);
         else if (an > Math.PI / 4 && an < Math.PI * 3 / 4 + 1e-8)
             highDrill.push(option.right);
diff --git a/src/GraphicsSystem/CalcEdgeSealing.ts b/src/GraphicsSystem/CalcEdgeSealing.ts
index db1ed0b80..ca014408e 100644
--- a/src/GraphicsSystem/CalcEdgeSealing.ts
+++ b/src/GraphicsSystem/CalcEdgeSealing.ts
@@ -10,7 +10,7 @@ import { ExtrudeContourCurve } from "../DatabaseServices/Entity/Extrude";
 import { Line } from "../DatabaseServices/Entity/Line";
 import { Polyline } from "../DatabaseServices/Entity/Polyline";
 import { CreateContour2 } from "../Geometry/CreateContour2";
-import { angle, equaln, equalv3, isParallelTo, SelectNearP, XAxis } from "../Geometry/GeUtils";
+import { angle, clampRad, equaln, equalv3, isParallelTo, SelectNearP, XAxis } from "../Geometry/GeUtils";
 import { Production } from "../Production/Product";
 import { IHighSealedItem, ISealingData } from "../UI/Store/BoardInterface";
 import { IntersectOption } from "./IntersectWith";
@@ -270,7 +270,10 @@ export function GetBoardHighSeal(br: Board, sealcus: Curve[]): IHighSealedItem[]
         {
             let derv = c.GetFistDeriv(0).multiplyScalar(dir);
             let an = angle(derv);
-            if (equaln(an, 0) || (an < Math.PI / 4 + 1e-8 && an > Math.PI * 7 / 4))
+
+            an = clampRad(an);
+
+            if ((an < Math.PI / 4 + 1e-8) || (an > Math.PI * 7 / 4))
                 highSeals.push({ size: sealDown });
             else if (an > Math.PI / 4 && an < Math.PI * 3 / 4 + 1e-8)
                 highSeals.push({ size: sealRight });