fix: treat the 0 time as invalid too

Jacky Zhao

2023-09-24 697bffdb8b1bef143823f77a118de90286fe325a

 quartz/util/ctx.ts

@@ -7,6 +7,8 @@
  output: string
  serve: boolean
  port: number
  wsPort: number
  remoteDevHost?: string
  concurrency?: number
}