修改当对比服务不存在时，特征值传输错误的bug

pansen

2019-03-15 cbc6612a4224d8a4d6ff69af0f48ed3716b09314

 QiaoJiaSystem/StructureApp/FaceExtractElement.cpp

@@ -139,8 +139,11 @@
                Json::Value t_json;
                t_json["Id"] = str_uuid; //主键

                std::string feature_base64;
                feature_base64 = base64.Encode(feature.data(), feature.size());

                //#在对比中添加特征值
                t_json["FaceFeature"] = "base64";
                t_json["FaceFeature"] = feature_base64;
                t_json["personId"] = "";//关联底库人员id,人脸id
                t_json["BaseName"] = "";//关联底库表名
                //#end