diff --git a/src/Add-on/ExportData.tsx b/src/Add-on/ExportData.tsx
index 332ca3d15..bd856664b 100644
--- a/src/Add-on/ExportData.tsx
+++ b/src/Add-on/ExportData.tsx
@@ -12,6 +12,7 @@ import { Log } from "../Common/Log";
 import { Vector2ApplyMatrix4 } from "../Common/Matrix4Utils";
 import { StoreageKeys } from '../Common/StoreageKeys';
 import { copyTextToClipboard } from "../Common/Utils";
+import { IsMirror } from '../csg/core/math/IsMirrot';
 import { CylinderHole } from '../DatabaseServices/3DSolid/CylinderHole';
 import { ExtrudeHole } from '../DatabaseServices/3DSolid/ExtrudeHole';
 import { RevolveSolid } from '../DatabaseServices/3DSolid/RevolveSolid';
@@ -361,8 +362,17 @@ function ConveEntityRef2Data(e: EntityRef)
     ref.Id = e.Id?.Index ?? 0;
     ref.Type = "Ref";
     ref.Url = e.Url;
-    ref.OCS = e.OCS.toArray();
+
+    ref.OCS = e.OCSNoClone.toArray();
     ref.Scale = e.Scale.toArray();
+    if (IsMirror(e.OCSNoClone))
+    {
+        ref.OCS[8] *= -1;
+        ref.OCS[9] *= -1;
+        ref.OCS[10] *= -1;
+        ref.Scale[2] *= -1;
+    }
+
     //由于我们是右手坐标系,在UE导出资源的时候,已经自动个转换,所以我们在这里改变它,以便在UE里面能正确的还原
     ref.OCS[4] *= -1;
     ref.OCS[5] *= -1;