Authored by ZhangTonghai

返回空字符串而不是nil

... ... @@ -638,7 +638,7 @@
- (NSString *)pageChainStr
{
if (!self.pageChains || self.pageChains.count == 0) {
return nil;
return @"";
}
return [[[self.pageChains reverseObjectEnumerator] allObjects] componentsJoinedByString:@","];
... ...