修复:避免错误

5 years ago · 390659ff27
parent d48fde3369
commit 390659ff27
1 changed files with 1 additions and 1 deletions
--- a/src/DatabaseServices/Entity/Extrude.ts
+++ b/src/DatabaseServices/Entity/Extrude.ts
@ -1410,7 +1410,7 @@ export class ExtrudeSolid extends Entity
        {
            if (!e.IsErase)
                knifs.push(e.Object as ExtrudeSolid);
-            else
+            else if (this.__CacheKnifVersion__)
                this.__CacheKnifVersion__[e.Index] = (<Entity>e?.Object)?.__UpdateVersion__;
        }
    }