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                        /移动开发
                        
                            /Android
                        
                        /How-old 刷脸神器

老师我的face节点没有返回值请问是什么情况？

11-01 14:20:03.544: E/TAG(31155): {"face":[],"session_id":"80e275af2dfb41d38d0bb09fa1127f6d","img_height":576,"img_width":1024,"img_id":"d40ece68344f8be4ba1c07c8325c0804","url":null,"response_code":200}