About the Authors

Pengjun Zhang

Roles Investigation, Methodology, Writing – original draft

Affiliation School of Architectural Engineering, Hebei Vocational University of Industry and Technology, Shijiazhuang, China

Jie Mi

Roles Methodology, Software, Writing – original draft

mijie2011@163.com

Affiliation Department of Logistics Management, Hebei Jiaotong Vocational and Technical College, Shijiazhuang, China

Competing Interests

The authors have declared that no competing interests exist.