diff --git a/api/next.go b/api/next.go
deleted file mode 100644
index 81746dc..0000000
--- a/api/next.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package api
-
-import (
-	backendapi "chatgpt-mirror-server/backend-api"
-	"chatgpt-mirror-server/config"
-	"chatgpt-mirror-server/utility"
-	"net/http"
-	"time"
-
-	"github.com/gogf/gf/v2/encoding/gjson"
-	"github.com/gogf/gf/v2/frame/g"
-	"github.com/gogf/gf/v2/net/ghttp"
-)
-
-func Next(r *ghttp.Request) {
-	ctx := r.Context()
-	path := r.RequestURI
-	userToken := r.Session.MustGet("userToken").String()
-	if userToken == "" {
-		r.Response.WriteStatus(401)
-		return
-	}
-	officialAccessToken := backendapi.AccessTokenCache.MustGet(ctx, userToken).String()
-	if officialAccessToken == "" {
-		record, _, err := ChatgptSessionService.GetSessionByUserToken(ctx, userToken)
-		if err != nil {
-			g.Log().Error(ctx, err)
-			r.Response.WriteStatus(http.StatusUnauthorized)
-			return
-		}
-		if record.IsEmpty() {
-			g.Log().Error(ctx, "session is empty")
-			r.Response.WriteStatus(http.StatusUnauthorized)
-			return
-		}
-		officialSession := record["officialSession"].String()
-		if officialSession == "" {
-			r.Response.WriteStatus(http.StatusUnauthorized)
-			return
-		}
-		officialAccessToken = utility.AccessTokenFormSession(officialSession)
-		backendapi.AccessTokenCache.Set(ctx, userToken, officialAccessToken, time.Minute)
-	}
-	refreshCookie := gjson.New(officialAccessToken).Get("refreshToken").String()
-	res, err := g.Client().SetCookie("refreshToken", refreshCookie).Get(ctx, config.CHATPROXY(ctx)+path)
-	if err != nil {
-		r.Response.WriteStatus(http.StatusUnauthorized)
-		return
-	}
-	res.RawDump()
-	resStr := res.ReadAllString()
-	if res.StatusCode != http.StatusOK {
-		r.Response.Status = res.StatusCode
-		r.Response.Write(resStr)
-
-		return
-	}
-	r.Response.Write(resStr)
-
-}