有时候描述不会在textview中显示

Question

xml解析链接有子标记作为链接，在此链接中有描述和图像和标题。我想得到描述部分然后我为那个

写了一个代码

- (void)loadingDescription
{
    NSError *error=nil;

    //* goshipsUrl has link and send to the nsdata*
    NSData *gossipshtmldata=[NSData dataWithContentsOfURL: gossipsUrl options:NSDataReadingUncached error:&error];
    // i am using the nserrer for which one is error,we need to find out but it gives no exceptions and nil value
   if (error) {
       NSLog(@"%@",[error localizedDescription]);
    }
    else {
        NSLog(@"loading successfully");
}

TFHpple *gossipsParser = [TFHpple hppleWithHTMLData:gossipshtmldata];
NSString *gossipsXpathQueryString = @"//p//text()";

NSLog(@"%@",gossipsParser);//it has the object

descriptionGossipsNodes = [gossipsParser searchWithXPathQuery:gossipsXpathQueryString];
//in descriptionGossipsNodes has only 6 objects

if ([descriptionGossipsNodes count] > 0) 
{
    [self.emailButton setEnabled:YES];
    [self.twitterButton setEnabled:YES];
    [self.facebookButton setEnabled:YES];
    [scrollview setHidden:NO];
    NSMutableArray *tempArray = [NSMutableArray array];
    for (TFHppleElement *element in descriptionGossipsNodes) 
    {
        [tempArray addObject:[element content]];
    }
    //in temparary array has only <__NSArrayM 0x7f87e8dd1820>( , Contact us, , Privacy, © 2015,) this content.
    NSString *result = [tempArray componentsJoinedByString:@""];
    self.textview.text = result;
    }
    else
    {
        [self.emailButton setEnabled:NO];
        [self.twitterButton setEnabled:NO];
        [self.facebookButton setEnabled:NO];
        [scrollview setHidden:YES];

        UIAlertView *alert =[[UIAlertView alloc]initWithTitle:@"Connection Failed" message:nil delegate:self cancelButtonTitle:@"OK" otherButtonTitles:  nil];

        [alert show];
    }
}

所以如何解决我在评论中解释的代码。