diff --git a/__test__/Geometry/EdgeGeometry.test.ts b/__test__/Geometry/EdgeGeometry.test.ts
index 7e30cca38..3a884c93e 100644
--- a/__test__/Geometry/EdgeGeometry.test.ts
+++ b/__test__/Geometry/EdgeGeometry.test.ts
@@ -14,3 +14,16 @@ test('EdgeGeometry生成', () =>
         expect(line.geometry.attributes.position.count).toMatchSnapshot();
     }
 });
+
+test('EdgeGeometry生成2', () =>
+{
+    let d = { "file": [1, "Board", 5, 2, 101, false, 1, 11, 0, [0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 3652.4820542036323, 5394.829497889616, 0, 1], 0, 0, 2, 577.5, 600, 18, true, "Polyline", 5, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 200, 0, 1], 0, 0, 2, 4, [0, -200], 0, [600, -200], 0, [600, 377.49999999999994], 0, [0, 377.5], 0, true, 1, 2, 9, 577.5, 10.759448803828036, true, "Polyline", 5, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 0, 2, 4, [0, 0], 0, [577.5, 0], 0, [577.5, 9], 0, [0, 9], 0, true, 0, 3, 0, 0, 0, [0, 0, 1, 0, 0, -1, 0, 0, 1, 0, 0, 0, 3652.4820542036323, 5974.829497889616, 0, 1], 3, 0, 0, 0, 5, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 3652.4820542036323, 5394.829497889616, 200, 1], 1, "立板", "主卧", "下柜", "", "", "", 0, 0, "三合一", 2, 0, "1", "1", "1", "1", "", "", "", 4, "三合一", "三合一", "三合一", "三合一", true, true, 0, 0, 0, 0, 0], "basePt": { "x": 3652.4820542036323, "y": 5394.829497889616, "z": 0 } }
+    let brs = LoadBoardsFromFileData(d);
+
+    for (let br of brs)
+    {
+        let line = br.GetDrawObjectFromRenderType(RenderType.Wireframe) as Line;
+        //@ts-ignore
+        expect(line.geometry.attributes.position.count).toMatchSnapshot();
+    }
+});
diff --git a/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap b/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
index 27306e9ed..b7d3628fd 100644
--- a/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
+++ b/__test__/Geometry/__snapshots__/EdgeGeometry.test.ts.snap
@@ -2,6 +2,8 @@
 
 exports[`EdgeGeometry生成 1`] = `432`;
 
-exports[`EdgeGeometry生成 2`] = `864`;
+exports[`EdgeGeometry生成 2`] = `860`;
 
 exports[`EdgeGeometry生成 3`] = `146`;
+
+exports[`EdgeGeometry生成2 1`] = `110`;
diff --git a/src/Geometry/EdgeGeometry.ts b/src/Geometry/EdgeGeometry.ts
index 17c30b51c..ff8fb03b2 100644
--- a/src/Geometry/EdgeGeometry.ts
+++ b/src/Geometry/EdgeGeometry.ts
@@ -245,7 +245,7 @@ class FuzzPoint
     private map: { [key: string]: Vector3D } = {};
     GetVector(v: Vector3D)
     {
-        let key = `${ToFixed(v.x, 3)},${ToFixed(v.y, 3)},${ToFixed(v.z, 3)}`;
+        let key = `${ToFixed(v.x, 2)},${ToFixed(v.y, 2)},${ToFixed(v.z, 2)}`;
         if (key in this.map) return this.map[key];
         else this.map[key] = v;
         return v;