From b78a2bbe738658aea4ce363d2e06a90d32392887 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Mon, 23 Mar 2020 14:48:08 +0800
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---
 src/DatabaseServices/Entity/Extrude.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/DatabaseServices/Entity/Extrude.ts b/src/DatabaseServices/Entity/Extrude.ts
index 0ba371850..d3d7886bb 100644
--- a/src/DatabaseServices/Entity/Extrude.ts
+++ b/src/DatabaseServices/Entity/Extrude.ts
@@ -838,7 +838,7 @@ export class ExtrudeSolid extends Entity
         if (isParallelTo(n1, n2))
         {
             target = target.Clone().ClearDraw();
-            if (!equalv3(n1, n2))
+            if (!equalv3(n1, n2, 1e-6))
             {
                 let mtx = target._Matrix;
                 matrixSetVector(mtx, 2, n1);