diff --git a/api.esm.js b/api.esm.js
index ff00e48..4aa067c 100644
--- a/api.esm.js
+++ b/api.esm.js
@@ -18817,7 +18817,7 @@ class ExtudeWall
             }
             //#endregion
             //和X平行平行
-            let isXPar = (vs[0].y + vs[1].y + vs[2].y) < 0.01;
+            let isXPar = equaln(vs[0].x, vs[1].x, 1e-2);
             function AddUv(p)
             {
                 if (isXPar)
diff --git a/package.json b/package.json
index 8525b5c..41e5015 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "webcad_ue4_api",
-    "version": "0.0.1",
+    "version": "0.2.1",
     "description": "",
     "main": "api.esm.js",
     "module": "api.esm.js",