fix: 修复吸附点报错的问题

[github-actions[bot]]

🎊 PR Preview 77902e9fe5863e2912be2c9507d5453bf3c0d39d has been successfully built and deployed to https://antvis-L7Draw-preview-pr-134.surge.sh

:clock1: Build time: 161.205s

_{🤖 By surge-preview}