details improvement and unnecessary files deletion

internal/utils/app/schedule.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"sync"
+	"time"
 
 	"github.com/pocketbase/pocketbase/tools/cron"
 )
@@ -13,6 +14,10 @@ var scheduler *cron.Cron
 func GetScheduler() *cron.Cron {
 	schedulerOnce.Do(func() {
 		scheduler = cron.New()
+		location, err := time.LoadLocation("Asia/Shanghai")
+		if err == nil {
+			scheduler.SetTimezone(location)
+		}
 	})
 
 	return scheduler