弃用自定义错误函数，直接使用 fiber.Err；更新 README.md 文档

web/services/channel.go

@@ -5,13 +5,13 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"github.com/gofiber/fiber/v2"
 	"log/slog"
 	"math"
 	"math/rand/v2"
 	"platform/pkg/env"
 	"platform/pkg/u"
 	"platform/web/auth"
-	"platform/web/core"
 	channel2 "platform/web/domains/channel"
 	proxy2 "platform/web/domains/proxy"
 	g "platform/web/globals"
@@ -65,7 +65,7 @@ func (s *channelService) RemoveChannels(ctx context.Context, authCtx *auth.Conte
 		// 检查权限，如果为用户操作的话，则只能删除自己的通道
 		for _, channel := range channels {
 			if authCtx.Payload.Type == auth.PayloadUser && authCtx.Payload.Id != channel.UserID {
-				return core.ErrForbidden()
+				return fiber.NewError(fiber.StatusForbidden)
 			}
 		}