pod 'SKDebugTool' ,:configurations => ['Debug']

#import <SKDebugTool/SKDebugTool.h>

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    ........

#if DEBUG

    [SKDebugTool shareInstance].specialHeaders = @[@"requet specialHeaders"]; // optional
    // eg: rquest url is  https:localhostL:18080?requestParame=xxxxxxx?xxxxxxx
    // so you can add header to  specialHeaders just like  [SKDebugTool shareInstance].specialHeaders = @[@"requestHeaders"];
    [[SKDebugTool shareInstance] enableDebugMode];
#endif
........
}