去掉这个分类即可
pod 'AFNetworking', '~> 3.0', :subspecs => ['Reachability', 'Serialization', 'Security', 'NSURLSession']
//#import <AFNetworking/AFNetworking.h>
改为
#import <AFNetworking/AFNetworking-umbrella.h>
去掉这个分类即可
pod 'AFNetworking', '~> 3.0', :subspecs => ['Reachability', 'Serialization', 'Security', 'NSURLSession']
//#import <AFNetworking/AFNetworking.h>
改为
#import <AFNetworking/AFNetworking-umbrella.h>