diff --git a/README.md b/README.md
index 12dc995..8a55a7e 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 | 一键部署到 Vercel-推荐                                | Docker部署                                                      | Cloudflare部署                                                          | 如何更新？                                                |
 | ----------------------------------------------------- | --------------------------------------------------------------- | ----------------------------------------------------------------------- | --------------------------------------------------------- |
 | [部署简易教程](https://buycoffee.top/blog/tech/nezha) | [Docker 部署教程](https://buycoffee.top/blog/tech/nezha-docker) | [Cloudflare 部署教程](https://buycoffee.top/blog/tech/nezha-cloudflare) | [更新教程](https://buycoffee.top/blog/tech/nezha-upgrade) |
-| [Vercel-demo](https://nezha-vercel.buycoffee.top)     | [Docker-demo](https://nezha-docker.buycoffee.tech)              | [Cloudflare-demo](https://nezha-cloudflare.buycoffee.tech)              |
+| [Vercel-demo](https://nezha-vercel.buycoffee.top)     | [Docker-demo](https://nezha-docker.buycoffee.tech)              | [Cloudflare-demo](https://nezha-cloudflare.buycoffee.tech)  [密码: nezhadash]            |
 
 #### 环境变量
 
diff --git a/components/SignIn.tsx b/components/SignIn.tsx
index 31e6913..d0bea0b 100644
--- a/components/SignIn.tsx
+++ b/components/SignIn.tsx
@@ -1,8 +1,8 @@
 "use client";
 
-import { getCsrfToken, signIn } from "next-auth/react";
+import { getCsrfToken } from "next-auth/react";
 import { useTranslations } from "next-intl";
-import { useRouter, useSearchParams } from "next/navigation";
+import { useRouter } from "next/navigation";
 import { useEffect, useState } from "react";
 
 import { Loader } from "./loading/Loader";
@@ -11,20 +11,11 @@ export function SignIn() {
   const t = useTranslations("SignIn");
 
   const [csrfToken, setCsrfToken] = useState("");
-  const [errorState, setErrorState] = useState(false);
   const [loading, setLoading] = useState(false);
-  const [successState, setSuccessState] = useState(false);
+  const [errorState, setErrorState] = useState(false);
 
-  const search = useSearchParams();
-  const error = search.get("error");
   const router = useRouter();
 
-  useEffect(() => {
-    if (error) {
-      setErrorState(true);
-    }
-  }, [error]);
-
   useEffect(() => {
     async function loadProviders() {
       const csrf = await getCsrfToken();
@@ -37,20 +28,32 @@ export function SignIn() {
     e.preventDefault();
     setLoading(true);
     const formData = new FormData(e.currentTarget);
-    const password = formData.get("password");
-    const res = await signIn("credentials", {
-      password,
-      redirect: false,
+
+
+    // 直接构建 URL 编码的字符串
+    const urlEncodedData = [
+      `csrfToken=${encodeURIComponent(csrfToken)}`,
+      `redirect=false`,
+      `password=${encodeURIComponent(formData.get('password') as string)}`,
+    ].join('&');
+
+    const res = await fetch("/api/auth/callback/credentials", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      body: urlEncodedData,
     });
-    if (res?.error) {
-      setErrorState(true);
+
+    if (res.url.includes("error")) {
+      setLoading(false)
+      setErrorState(true)
     } else {
-      setErrorState(false);
-      setSuccessState(true);
-      router.push("/");
-      router.refresh();
+      setLoading(false)
+      setErrorState(false)
     }
-    setLoading(false);
+    router.push("/");
+    router.refresh();
   };
 
   return (
@@ -66,11 +69,6 @@ export function SignIn() {
               {t("ErrorMessage")}
             </p>
           )}
-          {successState && (
-            <p className="text-green-500 text-sm font-semibold">
-              {t("SuccessMessage")}
-            </p>
-          )}
           <p className="text-base font-semibold">{t("SignInMessage")}</p>
           <input
             className="px-1 border-[1px] rounded-[5px]"