修复:关联切割导致的错误

src/DatabaseServices/Entity/Extrude.ts

@@ -1621,6 +1621,11 @@ export class ExtrudeSolid extends Entity
             return geo;
         }
 
+        if (this._MeshGeometry)
+        {
+            this._MeshGeometry.dispose();
+            this._MeshGeometry = undefined;
+        }
         this.MeshGeometry;
         return this._EdgeGeometry;
     }