!3031 修复:顶底板板件编辑大孔面显示错误

src/Editor/DefaultConfig.ts

@@ -149,7 +149,7 @@ export const DefaultTopBoardOption: TBBoardOption = {
 Object.freeze(DefaultTopBoardOption);
 
 export const DefaultBottomBoardOption: TBBoardOption = {
-    version: 2,
+    version: 3,
     type: BoardType.Layer,
     name: "底板",
     isDraw: true,

src/UI/Components/Board/TopBottomBoardModal.tsx

@@ -113,7 +113,7 @@ export const TopBottomBoardModal =
                         <label className="bp3-label bp3-inline .modifier">
                             <span>大孔面:</span>
                             <HTMLSelect
-                                value={store.bottomBoardOption?.bigHoleDir != undefined ? store.bottomBoardOption.bigHoleDir.toString() : store.bottomBoardOption.bigHoleDir.toString()}
+                                value={store.bottomBoardOption.bigHoleDir.toString()}
                                 options={
                                     [
                                         {
@@ -130,10 +130,7 @@ export const TopBottomBoardModal =
                                 }
                                 onChange={e =>
                                 {
-                                    if (store.bottomBoardOption)
-                                        store.bottomBoardOption.bigHoleDir = safeEval(e.target.value);
-                                    else
-                                        store.bottomBoardOption.bigHoleDir = safeEval(e.target.value);
+                                    store.bottomBoardOption.bigHoleDir = safeEval(e.target.value);
                                 }}
                             />
                         </label>}