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keyBoard/Class/Base/VC/BaseViewController.h

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+//
+//  BaseViewController.h
+//  keyBoard
+//
+//  Created by Mac on 2025/11/7.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface BaseViewController : UIViewController
+
+@end
+
+NS_ASSUME_NONNULL_END

keyBoard/Class/Base/VC/BaseViewController.m

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+//
+//  BaseViewController.m
+//  keyBoard
+//
+//  Created by Mac on 2025/11/7.
+//
+
+#import "BaseViewController.h"
+
+@interface BaseViewController ()
+
+@end
+
+@implementation BaseViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    // Do any additional setup after loading the view.
+    self.view.backgroundColor = [UIColor whiteColor];
+}
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end