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This paper aims to explore how leader career calling stimulates employee career growth, with the supervisor–subordinate guanxi serving as a moderating factor.

Study 1 demonstrated that high leader career calling served as a catalyst for employee career crafting. The experiment provided causal evidence for the relationship between these two constructs, exhibiting strong internal validity. However, due to the challenges in measuring supervisor–subordinate guanxi and career growth within the context of a scenario experiment, Study 2 was designed to test the entire model and enhance the external validity of the findings.

Leader career calling significantly predicts employee career growth, while employee career crafting serves as a mediating mechanism in the relationship between leader career calling and employee career growth. Moreover, supervisor–subordinate guanxi positively moderates the relationship between leader career calling and employee career crafting. Furthermore, the mediating effect of employee career crafting in the relationship between leader career calling and employee career growth is contingent upon the quality of supervisor–subordinate guanxi. This study sheds light on the role of leader career calling in employee career growth and provides insights into the mechanisms facilitating employee career growth.

Firstly, it explores leader-to-employee career calling transmission, extending the career calling study beyond individual impacts. It emphasizes how leaders' work attitudes shape employee career growth. Secondly, it reveals career crafting as a mediator between leader career calling and employee career growth, identifying a new influence mechanism and expanding upon the primarily job crafting-focused existing literature. Lastly, it identifies supervisor–subordinate guanxi quality as a moderator in the leader career calling-employee career crafting relationship. This perspective enriches career calling research, illustrating how specific conditions stimulate career crafting.

The purpose of this paper is to conduct a comprehensive study on building, fire and evacuation, so as to effectively improve the efficiency of building fire evacuation and the management level of fire evacuation site. Make up for the difficulties of BIM technology in effectively connecting building information and fire data.

First, this paper establishes a fire model and an evacuation model based on BIM information. Then, the safety index (SI) is introduced as a comprehensive index, and the IRI is established by integrating the SI function to evaluate the safety of evacuation routes. Based on these two indices, the IRI-based fire evacuation model is established.

This study offers an Improved Risk Index (IRI)-based fire evacuation model, which may achieve effective evacuation in fire scenes. And the model is verified by taking the fire evacuation of a shopping center building as an example.

This paper proposes a fire evacuation principle based on IRI, so that the relevant personnel can comprehensively consider the fire factors and evacuation factors to achieve the optimization of building design, thereby improving the fire safety of buildings.