diff --git a/controller/relay-utils.go b/controller/relay-utils.go
index 03d452ad..1d5d019c 100644
--- a/controller/relay-utils.go
+++ b/controller/relay-utils.go
@@ -13,7 +13,6 @@ import (
 	providersBase "one-api/providers/base"
 	"one-api/types"
 	"reflect"
-	"strconv"
 
 	"github.com/gin-gonic/gin"
 	"github.com/go-playground/validator/v10"
@@ -55,9 +54,9 @@ func GetValidFieldName(err error, obj interface{}) string {
 }
 
 func fetchChannel(c *gin.Context, modelName string) (channel *model.Channel, fail bool) {
-	channelId, ok := c.Get("channelId")
-	if ok {
-		channel, fail = fetchChannelById(c, channelId.(int))
+	channelId := c.GetInt("channelId")
+	if channelId > 0 {
+		channel, fail = fetchChannelById(c, channelId)
 		if fail {
 			return
 		}
@@ -73,13 +72,8 @@ func fetchChannel(c *gin.Context, modelName string) (channel *model.Channel, fai
 	return
 }
 
-func fetchChannelById(c *gin.Context, channelId any) (*model.Channel, bool) {
-	id, err := strconv.Atoi(channelId.(string))
-	if err != nil {
-		common.AbortWithMessage(c, http.StatusBadRequest, "无效的渠道 Id")
-		return nil, true
-	}
-	channel, err := model.GetChannelById(id, true)
+func fetchChannelById(c *gin.Context, channelId int) (*model.Channel, bool) {
+	channel, err := model.GetChannelById(channelId, true)
 	if err != nil {
 		common.AbortWithMessage(c, http.StatusBadRequest, "无效的渠道 Id")
 		return nil, true
diff --git a/middleware/auth.go b/middleware/auth.go
index ad7e64b7..e6f48c62 100644
--- a/middleware/auth.go
+++ b/middleware/auth.go
@@ -1,12 +1,13 @@
 package middleware
 
 import (
-	"github.com/gin-contrib/sessions"
-	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/common"
 	"one-api/model"
 	"strings"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
 )
 
 func authHelper(c *gin.Context, minRole int) {
@@ -108,7 +109,12 @@ func TokenAuth() func(c *gin.Context) {
 		c.Set("token_name", token.Name)
 		if len(parts) > 1 {
 			if model.IsAdmin(token.UserId) {
-				c.Set("channelId", parts[1])
+				channelId := common.String2Int(parts[1])
+				if channelId == 0 {
+					abortWithMessage(c, http.StatusForbidden, "无效的渠道 Id")
+					return
+				}
+				c.Set("channelId", channelId)
 			} else {
 				abortWithMessage(c, http.StatusForbidden, "普通用户不支持指定渠道")
 				return