diff --git a/src/app/(oauth)/oauth/authorize/page.tsx b/src/app/(oauth)/oauth/authorize/page.tsx
index 700ef60..c10b717 100644
--- a/src/app/(oauth)/oauth/authorize/page.tsx
+++ b/src/app/(oauth)/oauth/authorize/page.tsx
@@ -1,3 +1,5 @@
+import { redirect } from "next/navigation";
+
 import { getClientByClientId } from "@/lib/dto/client";
 import { Authorizing } from "@/components/auth/authorizing";
 
@@ -8,30 +10,56 @@ export interface AuthorizeParams extends Record<string, string> {
   redirect_uri: string;
 }
 
-export default async function OAuthAuthorization({
+export default async function AuthorizePage({
   searchParams,
 }: {
   searchParams: AuthorizeParams;
 }) {
-  // params invalid
+  // 检查必要的参数
   if (
     !searchParams.response_type ||
     !searchParams.client_id ||
     !searchParams.redirect_uri
   ) {
-    throw new Error("Params invalid");
+    const errorParams = new URLSearchParams({
+      error: "invalid_request",
+      error_description: "缺少必要的参数",
+    });
+    redirect(`${searchParams.redirect_uri}?${errorParams.toString()}`);
   }
 
-  // client invalid
   const client = await getClientByClientId(searchParams.client_id);
-  if (!client || client.redirectUri !== searchParams.redirect_uri) {
-    throw new Error("Client not found");
+
+  // 检查应用是否存在
+  if (!client) {
+    const errorParams = new URLSearchParams({
+      error: "invalid_client",
+      error_description: "应用不存在",
+    });
+    redirect(`${searchParams.redirect_uri}?${errorParams.toString()}`);
+  }
+
+  // 检查回调地址是否匹配
+  if (client.redirectUri !== searchParams.redirect_uri) {
+    const errorParams = new URLSearchParams({
+      error: "invalid_request",
+      error_description: "回调地址不匹配",
+    });
+    redirect(`${searchParams.redirect_uri}?${errorParams.toString()}`);
+  }
+
+  // 检查应用是否被禁用
+  if (!client.enabled) {
+    const errorParams = new URLSearchParams({
+      error: "access_denied",
+      error_description: "此应用已被禁用",
+    });
+    redirect(`${searchParams.redirect_uri}?${errorParams.toString()}`);
   }
 
-  // Authorizing ...
   return (
     <div className="flex min-h-screen items-center justify-center bg-gray-50 p-4">
-      <Authorizing />
+      <Authorizing searchParams={searchParams} />
     </div>
   );
 }
diff --git a/src/app/(oauth)/q58/callback/page.tsx b/src/app/(oauth)/q58/callback/page.tsx
index 39de7aa..5865fdb 100644
--- a/src/app/(oauth)/q58/callback/page.tsx
+++ b/src/app/(oauth)/q58/callback/page.tsx
@@ -27,6 +27,15 @@ export default async function Q58CallbackPage({
     throw new Error("Client Id invalid (code: -1004).");
   }
 
+  // 检查应用是否被禁用
+  if (!client.enabled) {
+    const redirectUri = client.redirectUri;
+    const redirectUrl = new URL(redirectUri);
+    redirectUrl.searchParams.set("error", "access_denied");
+    redirectUrl.searchParams.set("error_description", "该应用已被禁用");
+    return redirect(redirectUrl.toString());
+  }
+
   // verify q58 callback
   const user = await q58CallbackVerify(searchParams.sso, searchParams.sig);
 
@@ -34,6 +43,14 @@ export default async function Q58CallbackPage({
   const authorization = await findAuthorization(user.id, client.id);
 
   if (authorization) {
+    // 如果授权被禁用，也返回错误
+    if (!authorization.enabled) {
+      const redirectUrl = new URL(client.redirectUri);
+      redirectUrl.searchParams.set("error", "access_denied");
+      redirectUrl.searchParams.set("error_description", "您的授权已被禁用");
+      return redirect(redirectUrl.toString());
+    }
+
     const redirectUrl = await getAuthorizeUrl(oauthParams);
     return redirect(redirectUrl);
   }
diff --git a/src/components/auth/authorizing.tsx b/src/components/auth/authorizing.tsx
index a37f6b9..4312ee9 100644
--- a/src/components/auth/authorizing.tsx
+++ b/src/components/auth/authorizing.tsx
@@ -1,38 +1,44 @@
 "use client";
 
 import { useCallback, useEffect, useState } from "react";
-import { useRouter, useSearchParams } from "next/navigation";
+import { useRouter } from "next/navigation";
 import { getDiscourseSSOUrl } from "@/actions/discourse-sso-url";
 
-export function Authorizing() {
+import type { AuthorizeParams } from "@/app/(oauth)/oauth/authorize/page";
+
+interface AuthorizingProps {
+  searchParams: AuthorizeParams;
+}
+
+export function Authorizing({ searchParams }: AuthorizingProps) {
   const router = useRouter();
-  const searchParams = useSearchParams();
   const [error, setError] = useState<unknown | null>(null);
   const [progress, setProgress] = useState(0);
 
   const signInCallback = useCallback(async () => {
     try {
-      const url = await getDiscourseSSOUrl(searchParams.toString());
+      const url = await getDiscourseSSOUrl(
+        new URLSearchParams(searchParams).toString(),
+      );
       router.push(url);
     } catch (error) {
       setError(error);
     }
-  }, []);
+  }, [searchParams, router]);
 
   useEffect(() => {
-    // 模拟进度条
-    const progressInterval = setInterval(() => {
-      setProgress((prev) => (prev >= 90 ? 90 : prev + 10));
-    }, 300);
+    // 启动进度条动画
+    const progressTimer = setInterval(() => {
+      setProgress((prev) => Math.min(prev + 10, 90));
+    }, 500);
 
-    // Delay 3s get sso url go to ...
-    const timer = setTimeout(signInCallback, 3000);
+    // 立即开始授权
+    signInCallback();
 
     return () => {
-      clearTimeout(timer);
-      clearInterval(progressInterval);
+      clearInterval(progressTimer);
     };
-  }, []);
+  }, [signInCallback]);
 
   return (
     <div className="w-full max-w-md rounded-lg bg-white p-6 shadow-xl">
diff --git a/src/lib/dto/client.ts b/src/lib/dto/client.ts
index 1900a2b..6cc4b20 100644
--- a/src/lib/dto/client.ts
+++ b/src/lib/dto/client.ts
@@ -3,7 +3,24 @@ import { Prisma as PrismaType } from "@prisma/client";
 import { prisma } from "@/lib/prisma";
 
 export async function getClientByClientId(clientId: string) {
-  return prisma.client.findUnique({ where: { clientId } });
+  return prisma.client.findUnique({
+    where: { clientId },
+    select: {
+      id: true,
+      name: true,
+      clientId: true,
+      clientSecret: true,
+      redirectUri: true,
+      home: true,
+      logo: true,
+      description: true,
+      enabled: true,
+      allowedUsers: true,
+      userId: true,
+      createdAt: true,
+      updatedAt: true,
+    },
+  });
 }
 
 export async function createClient(
@@ -31,5 +48,20 @@ export async function getClientById(id: string) {
     where: {
       id,
     },
+    select: {
+      id: true,
+      name: true,
+      clientId: true,
+      clientSecret: true,
+      redirectUri: true,
+      home: true,
+      logo: true,
+      description: true,
+      enabled: true,
+      allowedUsers: true,
+      userId: true,
+      createdAt: true,
+      updatedAt: true,
+    },
   });
 }