static NSMutableDictionary *_soundIDDict;
/**缓存字典初始化 ,只加载一次*/
+(void)initialize{
_soundIDDict = [NSMutableDictionary dictionary];
}
static NSMutableDictionary *_soundIDDict;
/**缓存字典初始化 ,只加载一次*/
+(void)initialize{
_soundIDDict = [NSMutableDictionary dictionary];
}