diff --git a/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap b/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
index 2fcbf95c7..6761447e9 100644
--- a/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
+++ b/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
@@ -52,9 +52,9 @@ exports[`无法构造盖子轮廓导致的丢面 1`] = `9423`;
 
 exports[`无法构造盖子轮廓导致的丢面 2`] = `6336`;
 
-exports[`有全深槽时,构建的Mesh错误 1`] = `2736`;
+exports[`有全深槽时,构建的Mesh错误 1`] = `1008`;
 
-exports[`有全深槽时,构建的Mesh错误 2`] = `966`;
+exports[`有全深槽时,构建的Mesh错误 2`] = `390`;
 
 exports[`极限共线 1`] = `432`;
 
diff --git a/src/Geometry/ExtrudeMeshGeomBuilder/SplitCurveParams.ts b/src/Geometry/ExtrudeMeshGeomBuilder/SplitCurveParams.ts
index 4f61da4dd..fa4656145 100644
--- a/src/Geometry/ExtrudeMeshGeomBuilder/SplitCurveParams.ts
+++ b/src/Geometry/ExtrudeMeshGeomBuilder/SplitCurveParams.ts
@@ -11,7 +11,7 @@ import { AsVector3, equaln } from "../GeUtils";
 export const ARC_DRAW_CONFIG = {
     ARC_SplitLength: 4,//圆的分段长度
     ARC_RADIUS_MIN: 25,//大于半径25的自动优化成36等分圆 保证绘制光滑
-    Arc_MinSplitCount: 36,//圆的最小分段个数
+    Arc_MinSplitCount: 12,//圆的最小分段个数
     ARC_MaxSplitCount: 180,//圆的最大分段个数
 };
 //del_exp_end