//此问题修复完成后，需要编译以下工程才能看到效果
Property 'lMenuTimes' requires method 'lMenuTimes' to be defined - use @synthesize, @dynamic or provide a method implementation
//当一个有返回值的方法，缺少返回值时，会报如下警告
relessorder/MenuController.m: warning: Semantic Issue: Control may reach end of non-void function
//不相容的指针
Incompatible pointer to integer conversion returning 'void *' from a function with result type 'NSInteger' (aka 'int')
//assigning 分派
Incompatible pointer types assigning to 'UIViewController *' from 'MultiDownloaderViewController *'
//隐式转换出现不兼容
Implicit conversion from enumeration type 'UITableViewCellEditingStyle' to different enumeration type 'UITableViewCellSelectionStyle'