优化代码

pkg/serverconfigs/shared/time_duration.go

@@ -1,6 +1,9 @@
 package shared
 
-import "time"
+import (
+	"encoding/json"
+	"time"
+)
 
 type TimeDurationUnit = string
 
@@ -34,3 +37,7 @@ func (this *TimeDuration) Duration() time.Duration {
 		return time.Duration(this.Count) * time.Second
 	}
 }
+
+func (this *TimeDuration) AsJSON() ([]byte, error) {
+	return json.Marshal(this)
+}