Fix incorrectly non-git folder opening and fix start panic when no themes found (!1479) · 合并请求 · halo-dev / halo · 极狐GitLab

john niang请求将bug/theme-update合并到master 9月 16, 2021

What this PR dose

Fix incorrectly open non-git folder
Fix start panic when no themes found
Fix build error complained by latest IDEA

Why we need it

Fix #1460 (closed)

/kind bug