1.添加Prefix
s.prefix_header_contents = <<-EOS
#ifdef __OBJC__
#import "ROConnect.h"
#endif /* __OBJC__*/
EOS
或
s.prefix_header_file = "MSSWedChat-prefix.pch"
s.prefix_header_contents = <<-EOS
#ifdef __OBJC__
#import "ROConnect.h"
#endif /* __OBJC__*/
EOS
或
s.prefix_header_file = "MSSWedChat-prefix.pch"