diff --git a/package.json b/package.json
index a5cb9c1a9..099561bcd 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
         "detect-browser": "^5.3.0",
         "dwg2dxf": "^1.0.0",
         "dxf-parser": "^1.1.2",
-        "dxf-write": "^2.6.5",
+        "dxf-write": "^2.6.6",
         "flatbush": "^4.0.0",
         "hotkeys-js-ext": "^3.8.8",
         "immutability-helper": "^3.1.1",
diff --git a/src/Add-on/ACAD/Entity2DxfEntity.ts b/src/Add-on/ACAD/Entity2DxfEntity.ts
index a4c7fbb8c..a68b3bd99 100644
--- a/src/Add-on/ACAD/Entity2DxfEntity.ts
+++ b/src/Add-on/ACAD/Entity2DxfEntity.ts
@@ -21,13 +21,12 @@ import { Arc } from "../../DatabaseServices/Entity/Arc";
 import { Board } from "../../DatabaseServices/Entity/Board";
 import { Circle } from "../../DatabaseServices/Entity/Circle";
 import { CompositeEntity } from "../../DatabaseServices/Entity/CompositeEntity";
-import { Curve } from "../../DatabaseServices/Entity/Curve";
 import { Ellipse } from "../../DatabaseServices/Entity/Ellipse";
 import { Entity } from "../../DatabaseServices/Entity/Entity";
 import { Line } from "../../DatabaseServices/Entity/Line";
 import { Polyline } from "../../DatabaseServices/Entity/Polyline";
 import { Text } from "../../DatabaseServices/Text/Text";
-import { angle, AsVector3, polar } from "../../Geometry/GeUtils";
+import { angle, polar } from "../../Geometry/GeUtils";
 import { Orbit } from "../../Geometry/Orbit";
 
 
@@ -238,20 +237,9 @@ export function Conver2DxfEntity(e: Entity, dxf: DxfWriter, blkName?: string)
         let subIndex = 0;
         for (let subE of e.Entitys)
         {
-            if (subE instanceof Curve)//块内曲线不支持非Z0
-            {
-                let pts = subE.Shape.getPoints(subE.GetDrawCount()).map(AsVector3);
-                for (let p of pts)
-                    p.applyMatrix4(subE.OCSNoClone);
-                for (let i = 0; i < pts.length - 1; i++)
-                    block.addLine(pts[i], pts[i + 1], { colorNumber: subE.ColorIndex });
-            }
-            else
-            {
-                let subInsert = Conver2DxfEntity(subE, dxf, `${name}_${subIndex}`);
-                if (subInsert)
-                    block.addEntity(subInsert);
-            }
+            let subInsert = Conver2DxfEntity(subE, dxf, `${name}_${subIndex}`);
+            if (subInsert)
+                block.addEntity(subInsert);
             subIndex++;
         }