问JSON文件中使用NSJSONSerialization解析的JSON返回一个空数组

EN

-(void)loadSuraNames
{
NSURL * url = [NSURL URLWithString:@"http://www.submission.ws/downloads/json/"];

url = [url URLByAppendingPathComponent:@"quran_main.json"];

NSURLRequest *request = [NSURLRequest requestWithURL:url];
NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil    error:nil];

NSError *jsonParsingError = nil;
NSArray *array = [NSJSONSerialization JSONObjectWithData:response options:0 error:&jsonParsingError];

NSLog(@"my Json is empty :( %@", array);
}