diff --git a/__test__/Booloperate/__snapshots__/bool5.test.ts.snap b/__test__/Booloperate/__snapshots__/bool5.test.ts.snap
index 85f2c3b84..d891f08f9 100644
--- a/__test__/Booloperate/__snapshots__/bool5.test.ts.snap
+++ b/__test__/Booloperate/__snapshots__/bool5.test.ts.snap
@@ -12,6 +12,6 @@ exports[`弧形板差集 1`] = `"165548.36110"`;
 
 exports[`弧形板差集 2`] = `"331151.31924"`;
 
-exports[`弧形板差集2 1`] = `"165548.36023"`;
+exports[`弧形板差集2 1`] = `"165548.36110"`;
 
 exports[`弧形板差集2 2`] = `"331151.31924"`;
diff --git a/__test__/FeedingToolPath/FeedingToolPath.test.ts b/__test__/FeedingToolPath/FeedingToolPath.test.ts
index de54f28e5..1f58f7bb3 100644
--- a/__test__/FeedingToolPath/FeedingToolPath.test.ts
+++ b/__test__/FeedingToolPath/FeedingToolPath.test.ts
@@ -181,3 +181,12 @@ test('精度不一致导致的错误', () =>
     let brs = LoadBoardsFromFileData(d);
     testPathCount(brs[0]);
 });
+
+test('重复点过多导致的布尔错误', () =>
+{
+    let d =
+        { "file": [1, "Board", 8, 2, 136, false, 1, 2, 0, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1542.6178010471249, -3757.536467706971, 295.8115183248293, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1542.6178010471249, -3757.536467706971, 295.8115183248293, 1], 0, 3, 940.000000000005, 2350.0000000000005, 15, false, "Polyline", 8, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 0, true, [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 3749.7485095917887, 3196.3743455497456, -295.8115183247719, 1], 0, 2, 5, [4.547473508864641e-13, 5.002220859751105e-12], 0, [2120.0000000000005, 0], 0, [2350.0000000000005, 470], 0, [2119.999999999999, 940.0000000000018], 0, [0, 940.000000000005], 0, true, 1, 3, 860.0000238166186, 1812.0534983379844, 6, false, "Polyline", 8, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -490.0437608700008, -39.999988091681296, 0, 1], 0, 0, true, [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 3259.704748721788, 3156.3743574580644, -295.8115183247719, 1], 0, 2, 10, [490.04376087000173, 70.00000001851413], 0.41421356237309515, [520.0437608891084, 40.000000000005], 0, [2076.0437608563307, 40.00000000000682], 0.28638958411744386, [2103.043760858855, 56.8134140582747], 0, [2299.043760864549, 456.8134140698744], 0.23156094812233494, [2299.0437608753277, 483.186585909139], 0, [2103.0437608687926, 883.1865859224918], 0.2863895839754242, [2076.043760888381, 900.000000000005], 0, [520.0437608891084, 899.9999999999914], 0.41421356237309503, [490.0437608700008, 869.9999999808838], 0, true, 1, 3, 835.0035209518353, 1787.7812073629661, 6, false, "Polyline", 8, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -502.0437608700008, -52.49823952408596, 0, 1], 0, 0, true, [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 3247.704748721788, 3143.8761060256597, -295.8115183247719, 1], 0, 2, 10, [520.0437608700017, 52.500000000005], 0, [2076.043760871718, 52.500000000005], 0.2863895839882779, [2092.0437608700017, 62.30782488000614], 0, [2288.043760862396, 462.3078248655029], 0.23156094827558482, [2288.0437608700017, 477.69217512000387], 0, [2092.043760870679, 877.6921751186296], 0.28638958402109244, [2076.0437608700017, 887.500000000005], 0, [520.0437608699726, 887.5000000000032], 0.4142135620001939, [502.04376087000173, 869.9999999999468], 0, [502.0437608700008, 70.00000000003229], 0.41421356200142434, true, 0, 3, 0, 0, 0, 0, 0, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1490.119561523039, -3255.4927068369702, 304.8115183248293, 1], 3, 0, 0, 0, 0, 0, [0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1502.6178129554437, -3267.4927068369702, 304.8115183248293, 1], 3, 0, 0, 0, 0, 0, 10, 0, "层板", "", "", "", "", "", 1, 0, "三合一", 2, 0, "1", "1", "1", "1", "", "", "", 5, "三合一", "三合一", "三合一", "三合一", "三合一", true, true, 0, 0, 0, 0, 0, 0, 0, 0, true, 0, 0], "basePt": { "x": 602.6178010471199, "y": -3757.536467706971, "z": 295.8115183248293 }, "ucs": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1542.6178010471249, -3757.536467706971, 295.8115183248293, 1] };
+
+    let brs = LoadBoardsFromFileData(d);
+    testPathCount(brs[0]);
+});
diff --git a/__test__/FeedingToolPath/__snapshots__/FeedingToolPath.test.ts.snap b/__test__/FeedingToolPath/__snapshots__/FeedingToolPath.test.ts.snap
index 900181526..b7a447b3b 100644
--- a/__test__/FeedingToolPath/__snapshots__/FeedingToolPath.test.ts.snap
+++ b/__test__/FeedingToolPath/__snapshots__/FeedingToolPath.test.ts.snap
@@ -304,6 +304,10 @@ exports[`造型的外框和内框厚度等于刀直径 1`] = `"1459.45340"`;
 
 exports[`造型的外框和内框厚度等于刀直径: 走刀数量 1`] = `1`;
 
+exports[`重复点过多导致的布尔错误 1`] = `"23133.26713"`;
+
+exports[`重复点过多导致的布尔错误: 走刀数量 1`] = `1`;
+
 exports[`门字部分 1`] = `"1.76759"`;
 
 exports[`门字部分 2`] = `"8.75659"`;
diff --git a/__test__/FeedingToolPath/__snapshots__/qiannianzhou_lvzhijia.test.ts.snap b/__test__/FeedingToolPath/__snapshots__/qiannianzhou_lvzhijia.test.ts.snap
index 50dc0ee88..b5d5d8aa1 100644
--- a/__test__/FeedingToolPath/__snapshots__/qiannianzhou_lvzhijia.test.ts.snap
+++ b/__test__/FeedingToolPath/__snapshots__/qiannianzhou_lvzhijia.test.ts.snap
@@ -88,7 +88,7 @@ exports[`千年舟 绿色健康之家 43`] = `"127.53520"`;
 
 exports[`千年舟 绿色健康之家 44`] = `"130.77685"`;
 
-exports[`千年舟 绿色健康之家 45`] = `"112.29087"`;
+exports[`千年舟 绿色健康之家 45`] = `"112.29088"`;
 
 exports[`千年舟 绿色健康之家 46`] = `"141.29953"`;
 
diff --git a/src/DatabaseServices/Contour.ts b/src/DatabaseServices/Contour.ts
index 3b76d0d56..a4e0a8fd2 100644
--- a/src/DatabaseServices/Contour.ts
+++ b/src/DatabaseServices/Contour.ts
@@ -6,7 +6,7 @@ import { FixIndex } from "../Common/Utils";
 import { IntersectBox2 } from "../Geometry/Box";
 import { CreateContour2 } from "../Geometry/CreateContour2";
 import { Route } from "../Geometry/CurveMap";
-import { equaln, equalv2, equalv3 } from "../Geometry/GeUtils";
+import { ComparePointFnGenerate, equaln, equalv2, equalv3 } from "../Geometry/GeUtils";
 import { RegionParse } from "../Geometry/RegionParse";
 import { isTargetCurInOrOnSourceCur } from "../GraphicsSystem/BoolOperateUtils";
 import { IntersectOption } from "../GraphicsSystem/IntersectWith";
@@ -424,7 +424,7 @@ export class Contour
         let subtractList: Polyline[] = [];
         let holes: Polyline[] = [];
         let intPars: number[] = [];
-        let cuMap = new Map<Curve, number[]>();
+        let curveIntParamsMap = new Map<Curve, number[]>();
 
         let outBox = sourceOutline.BoundingBox;
 
@@ -451,59 +451,61 @@ export class Contour
             }
             else
             {
+                let fn = ComparePointFnGenerate("xyz", 1e-4);
+                pts.sort((p1, p2) => fn(p1.pt, p2.pt));
+                arrayRemoveDuplicateBySort(pts, (p1, p2) => equalv2(p1.pt, p2.pt, 1e-4));
                 intPars.push(...pts.map(r => r.thisParam));
-                cuMap.set(targetOutline, pts.map(r => r.argParam));
+                curveIntParamsMap.set(targetOutline, pts.map(r => r.argParam));
             }
         }
-        intPars.sort((a, b) => a - b);
-        arrayRemoveDuplicateBySort(intPars, (e1, e2) => equaln(e1, e2, 1e-8));
-        let sourceCus = sourceOutline.GetSplitCurves(intPars) as Polyline[];
-        let targetCus: Polyline[] = [];
 
-        let targetMap = new WeakMap<Curve, Curve>();
+        let sourceSplitCurves = sourceOutline.GetSplitCurves(intPars) as Polyline[];
+        let targetSplitCurves: Polyline[] = [];
 
-        let isEqualNormal: boolean;
+        let targetSplitCurve_CurvesMap = new WeakMap<Curve, Curve>();//分裂后->原始曲线 映射
 
-        for (let [c, pars] of cuMap)
+        for (let [curve, intParams] of curveIntParamsMap)
         {
-            let cus = c.GetSplitCurves(pars) as Polyline[];
-            cus.forEach(cu => targetMap.set(cu, c));
-            targetCus.push(...cus);
+
+            let splitCurves = curve.GetSplitCurves(intParams) as Polyline[];
+            for (let splitCurve of splitCurves)
+            {
+                targetSplitCurve_CurvesMap.set(splitCurve, curve);
+                targetSplitCurves.push(splitCurve);
+            }
         }
 
-        for (let pl of sourceCus)
+        for (let sourceSplitcu of sourceSplitCurves)
         {
-            let plMidParam = pl.MidParam;
-            let plDir = pl.GetFistDeriv(plMidParam).normalize();
+            let sourceDir = sourceSplitcu.GetFistDeriv(sourceSplitcu.MidParam).normalize();
 
-            let index = targetCus.findIndex(cu => fastEqualCurve(cu, pl, 0.05));
+            let index = targetSplitCurves.findIndex(cu => fastEqualCurve(cu, sourceSplitcu, 0.05));
             if (index !== -1)
             {
-                let cu = targetCus[index];
-                isEqualNormal = equalv3(sourceOutline.Normal, targetMap.get(cu).Normal, 1e-3);
-                let cuMidParam = cu.MidParam;
-                let cuDir = cu.GetFistDeriv(cuMidParam).normalize();
+                let targetSplitcu = targetSplitCurves[index];
+                let isEqualNormal = equalv3(sourceOutline.Normal, targetSplitCurve_CurvesMap.get(targetSplitcu).Normal, 1e-3);
+                let targetDir = targetSplitcu.GetFistDeriv(targetSplitcu.MidParam).normalize();
 
-                if (isEqualNormal === !equalv3(cuDir, plDir, 1e-3))//不同向
-                    subtractList.push(pl);
+                if (isEqualNormal === !equalv3(targetDir, sourceDir, 1e-3))//不同向
+                    subtractList.push(sourceSplitcu);
 
-                targetCus.splice(index, 1);
+                targetSplitCurves.splice(index, 1);
 
                 continue;
             }
 
-            if (targets.every(t => !fastCurveInCurve(t.Curve as Polyline, pl)))
-                subtractList.push(pl);
+            if (targets.every(t => !fastCurveInCurve(t.Curve as Polyline, sourceSplitcu)))
+                subtractList.push(sourceSplitcu);
         }
 
         //源对象没有被破坏
-        let sourceNotBreak = subtractList.length === sourceCus.length;
+        let sourceNotBreak = subtractList.length === sourceSplitCurves.length;
 
-        for (let pl of targetCus)
+        for (let pl of targetSplitCurves)
             if (fastCurveInCurve(sourceOutline, pl))
                 subtractList.push(pl);
 
-        if (sourceNotBreak && subtractList.length === sourceCus.length)
+        if (sourceNotBreak && subtractList.length === sourceSplitCurves.length)
             return { subtractList: [sourceOutline], holes };
 
         return { subtractList, holes };
diff --git a/src/Geometry/GeUtils.ts b/src/Geometry/GeUtils.ts
index 01d2ff6b0..473c80618 100644
--- a/src/Geometry/GeUtils.ts
+++ b/src/Geometry/GeUtils.ts
@@ -335,7 +335,7 @@ const comparePointCache: Map<string, compareVectorFn> = new Map();
  * @param {string} sortKey
  * @returns {compareVectorFn}
  */
-export function ComparePointFnGenerate(sortKey: string): compareVectorFn
+export function ComparePointFnGenerate(sortKey: string, fuzz = 1e-8): compareVectorFn
 {
     if (comparePointCache.has(sortKey))
         return comparePointCache.get(sortKey);
@@ -360,7 +360,7 @@ export function ComparePointFnGenerate(sortKey: string): compareVectorFn
         {
             let vv1 = v1.getComponent(s[0]);
             let vv2 = v2.getComponent(s[0]);
-            if (equaln(vv1, vv2)) continue;
+            if (equaln(vv1, vv2, fuzz)) continue;
             if (vv2 > vv1) return s[1];
             else return -s[1];
         }