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大家好，我在加载自定义NSBundle（TicketBooking.bundle）时遇到问题，APP 崩溃
（exited abnormally with signal 9: Killed: 9 EXC_CRASH (SIGKILL)）。

最奇怪的是：
1.当我将iPhone 4 连接到Mac 时，运行APP 从Xcode，调用方法[TicketBooking load]或[TicketBooking principalClass]，返回正确的数据，APP 运行正常；
2.然后我将iPhone 4与Mac断开连接，按下APP，在方法[TicketBooking load]或运行时[TicketBooking principalClass]，APP立即崩溃；

PS：TicketBooking.bundle 只包含两个类，CO_ManageVC.h和CO_ManageVC.m，

CO_ManageVC.h：

#import <UIKit/UIKit.h>

@interface CO_ManageVC : UIViewController

- (NSString *)TestWithKey:(NSString *)key;

@end

CO_ManageVC.m:

- (NSString *)TestWithKey:(NSString *)key{
    if ([key isEqualToString:@"tinln"])
        return @"CN_North";
    else {
        NSLog(@"Get CONamePrefix error:Wrong key");
        return nil;
}

当我打电话时：

NSBundle *TBBundle = [NSBundle bundleWithPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/TicketBooking.bundle"]];
//    NSLog(@"%@",[NSBundle allBundles]);
    NSLog(@"%@",[TBBundle infoDictionary]);
    if (TBBundle)
        NSLog(@"打开-done");
    else {
        NSLog(@"打开-fail");
        return;
    }
    NSLog(@"ready crash");
    //        [TBBundle load];  //disconnect and run,crash here
    Class TBClass = [TBBundle principalClass];   //disconnect and run,crash here
//        Class TBClass = [TBBundle classNamed:@"CO_ManageVC"]; ////disconnect and run,crash here
    UIViewController *tempVC = [[TBClass alloc] init];
    NSString *COStr = [tempVC performSelector:NSSelectorFromString(@"TestWithKey:") withObject:@"tinln"];
    NSLog(@"data：%@",COStr);    //when connect and run with xcode, NSLog return:data：CN_North
    [self.navigationController pushViewController:tempVC animated:YES];
    [tempVC release];
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