diff --git a/app/api/auth/refresh/route.js b/app/api/auth/refresh/route.js
index dca4e65..0246478 100644
--- a/app/api/auth/refresh/route.js
+++ b/app/api/auth/refresh/route.js
@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { axiosInstance } from "@/lib/req";
 
 export async function POST(request) {
   const { refresh_token } = await request.json();
@@ -18,14 +19,18 @@ export async function POST(request) {
   formData.append("refresh_token", refresh_token);
 
   try {
-    const res = await fetch(`${API_URL}/oauth/token`, {
-      method: "POST",
-      headers: { "Content-Type": "application/x-www-form-urlencoded", Authorization: "" },
-      body: formData.toString(),
-    });
-    const data = await res.json();
-    return NextResponse.json(data, { status: res.status });
-  } catch {
+    const res = await axiosInstance.post(
+      `${API_URL}/oauth/token`,
+      formData.toString(),
+      {
+        headers: { "Content-Type": "application/x-www-form-urlencoded", Authorization: "" },
+      }
+    );
+    return NextResponse.json(res.data, { status: res.status });
+  } catch (error) {
+    if (error.response) {
+      return NextResponse.json(error.response.data, { status: error.response.status });
+    }
     return NextResponse.json({ error: "Refresh request failed" }, { status: 500 });
   }
 }
diff --git a/app/api/auth/token/route.js b/app/api/auth/token/route.js
index cf2cf3b..4920da6 100644
--- a/app/api/auth/token/route.js
+++ b/app/api/auth/token/route.js
@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { axiosInstance } from "@/lib/req";
 
 export async function POST(request) {
   const { uuid, code, scope = "nobat724" } = await request.json();
@@ -20,14 +21,18 @@ export async function POST(request) {
   formData.append("scope", scope);
 
   try {
-    const res = await fetch(`${API_URL}/oauth/token`, {
-      method: "POST",
-      headers: { "Content-Type": "application/x-www-form-urlencoded", Authorization: "" },
-      body: formData.toString(),
-    });
-    const data = await res.json();
-    return NextResponse.json(data, { status: res.status });
-  } catch {
+    const res = await axiosInstance.post(
+      `${API_URL}/oauth/token`,
+      formData.toString(),
+      {
+        headers: { "Content-Type": "application/x-www-form-urlencoded", Authorization: "" },
+      }
+    );
+    return NextResponse.json(res.data, { status: res.status });
+  } catch (error) {
+    if (error.response) {
+      return NextResponse.json(error.response.data, { status: error.response.status });
+    }
     return NextResponse.json({ error: "Token request failed" }, { status: 500 });
   }
 }