!2983 修复:部分侧面切割槽不在平面上问题

src/DatabaseServices/Entity/Extrude.ts

@@ -840,7 +840,7 @@ export class ExtrudeSolid extends Entity
                         const mtx = new Matrix4().getInverse(faceMtx.clone().multiply(mirrorMtxZ));
 
                         //测试绘制
-                        // TestDrawGeom3s([interCSG]);
+                        // TestDrawGeom3s([interCSG], 1);
                         let sideModelCon: ExtrudeContourCurve;
 
                         let yv = extrude.Normal;
@@ -921,6 +921,8 @@ export class ExtrudeSolid extends Entity
                                 sideModelCon.ApplyMatrix(this.OCSInv);
                                 sideModelCon.ApplyMatrix(new Matrix4().getInverse(faceMtx));
                                 solid.ContourCurve = sideModelCon;
+                                //确保侧面造型槽solid在XY平面上
+                                solid.Z0();
                             }
                         }
                         else