import AFNetworking优化

@@ -7,7 +7,10 @@
 //
 
 #import <Foundation/Foundation.h>
-#import "AFNetworking.h"
+
+#if __has_include(<AFNetworking/AFNetworking.h>)
+#import <AFNetworking/AFNetworking.h>
+#endif
 
 typedef void (^YHNetworkReachabilityStatusBlock)(AFNetworkReachabilityStatus status);