struct utsname systemInfo;
    uname(&systemInfo);
    NSString *platform = [NSString stringWithCString: systemInfo.machine encoding:NSASCIIStringEncoding];
    //  常用机型  不需要的可自行删除
    if([platform isEqualToString:@"iPhone5,1"]) self.mt = @"iPhone5";
    if([platform isEqualToString:@"iPhone5,2"]) self.mt = @"iPhone5";
    if([platform isEqualToString:@"iPhone5,3"]) self.mt = @"iPhone5c";
    if([platform isEqualToString:@"iPhone5,4"]) self.mt = @"iPhone5c";
    if([platform isEqualToString:@"iPhone6,1"]) self.mt = @"iPhone5s";
    if([platform isEqualToString:@"iPhone6,2"]) self.mt = @"iPhone5s";
    if([platform isEqualToString:@"iPhone7,1"]) self.mt = @"iPhone6Plus";
    if([platform isEqualToString:@"iPhone7,2"]) self.mt = @"iPhone6";
    if([platform isEqualToString:@"iPhone8,1"]) self.mt = @"iPhone6s";
    if([platform isEqualToString:@"iPhone8,2"]) self.mt = @"iPhone6sPlus";
    if([platform isEqualToString:@"iPhone8,4"]) self.mt = @"iPhoneSE";
    if([platform isEqualToString:@"iPhone9,1"]) self.mt = @"iPhone7";
    if([platform isEqualToString:@"iPhone9,3"]) self.mt = @"iPhone7";
    if([platform isEqualToString:@"iPhone9,2"]) self.mt = @"iPhone7Plus";
    if([platform isEqualToString:@"iPhone9,4"]) self.mt = @"iPhone7Plus";
    if([platform isEqualToString:@"iPhone10,1"]) self.mt = @"iPhone8";
    if([platform isEqualToString:@"iPhone10,4"]) self.mt = @"iPhone8";
    if([platform isEqualToString:@"iPhone10,2"]) self.mt = @"iPhone8Plus";
    if([platform isEqualToString:@"iPhone10,5"]) self.mt = @"iPhone8Plus";
    if([platform isEqualToString:@"iPhone10,3"]) self.mt = @"iPhoneX";
    if([platform isEqualToString:@"iPhone10,6"]) self.mt = @"iPhoneX";
    if([platform isEqualToString:@"iPhone11,8"]) self.mt = @"iPhoneXR";
    if([platform isEqualToString:@"iPhone11,2"]) self.mt = @"iPhoneXS";
    if([platform isEqualToString:@"iPhone11,4"]) self.mt = @"iPhoneXSMax";
    if([platform isEqualToString:@"iPhone11,6"]) self.mt = @"iPhoneXSMax";
    if([platform isEqualToString:@"iPhone12,1"])self.mt = @"iPhone 11";
    if([platform isEqualToString:@"iPhone12,3"])self.mt =@"iPhone 11 Pro";
}
   if([platform isEqualToString:@"iPhone12,5"])self.mt = @"iPhone 11 Pro Max";
01-03 10:44