diff --git a/DysonNetwork.Sphere/Auth/OpenId/AfdianOidcService.cs b/DysonNetwork.Sphere/Auth/OpenId/AfdianOidcService.cs
index f07c4f5..3633171 100644
--- a/DysonNetwork.Sphere/Auth/OpenId/AfdianOidcService.cs
+++ b/DysonNetwork.Sphere/Auth/OpenId/AfdianOidcService.cs
@@ -32,7 +32,7 @@ public class AfdianOidcService(
         var queryString = string.Join("&", queryParams.Select(p => $"{p.Key}={Uri.EscapeDataString(p.Value)}"));
         return $"https://afdian.com/oauth2/authorize?{queryString}";
     }
-    
+
     protected override Task<OidcDiscoveryDocument?> GetDiscoveryDocumentAsync()
     {
         return Task.FromResult(new OidcDiscoveryDocument
@@ -43,7 +43,7 @@ public class AfdianOidcService(
             JwksUri = null
         })!;
     }
-    
+
     public override async Task<OidcUserInfo> ProcessCallbackAsync(OidcCallbackData callbackData)
     {
         var tokenResponse = await ExchangeCodeForTokensAsync(callbackData.Code);
@@ -60,8 +60,10 @@ public class AfdianOidcService(
         return userInfo;
     }
 
-    protected override async Task<OidcTokenResponse?> ExchangeCodeForTokensAsync(string code,
-        string? codeVerifier = null)
+    protected override async Task<OidcTokenResponse?> ExchangeCodeForTokensAsync(
+        string code,
+        string? codeVerifier = null
+    )
     {
         var config = GetProviderConfig();
         var client = HttpClientFactory.CreateClient();
@@ -78,37 +80,44 @@ public class AfdianOidcService(
         var response = await client.PostAsync("https://afdian.com/api/oauth2/access_token", content);
         response.EnsureSuccessStatusCode();
 
-        return await response.Content.ReadFromJsonAsync<OidcTokenResponse>();
+        return new OidcTokenResponse()
+        {
+            AccessToken = code,
+            ExpiresIn = 3600
+        };
     }
 
     private async Task<OidcUserInfo> GetUserInfoAsync(string accessToken)
     {
+        var config = GetProviderConfig();
+        var content = new FormUrlEncodedContent(new Dictionary<string, string>
+        {
+            { "client_id", config.ClientId },
+            { "client_secret", config.ClientSecret },
+            { "grant_type", "authorization_code" },
+            { "code", accessToken },
+            { "redirect_uri", config.RedirectUri },
+        });
+        
         var client = HttpClientFactory.CreateClient();
-        var request = new HttpRequestMessage(HttpMethod.Get, "https://discord.com/api/users/@me");
-        request.Headers.Add("Authorization", $"Bearer {accessToken}");
+        var request = new HttpRequestMessage(HttpMethod.Post, "https://afdian.com/api/oauth2/access_token");
 
         var response = await client.SendAsync(request);
         response.EnsureSuccessStatusCode();
 
         var json = await response.Content.ReadAsStringAsync();
-        var discordUser = JsonDocument.Parse(json).RootElement;
+        var afdianUser = JsonDocument.Parse(json).RootElement;
 
-        var userId = discordUser.GetProperty("id").GetString() ?? "";
-        var avatar = discordUser.TryGetProperty("avatar", out var avatarElement) ? avatarElement.GetString() : null;
+        var userId = afdianUser.GetProperty("user_id").GetString() ?? "";
+        var avatar = afdianUser.TryGetProperty("avatar", out var avatarElement) ? avatarElement.GetString() : null;
 
         return new OidcUserInfo
         {
             UserId = userId,
-            Email = (discordUser.TryGetProperty("email", out var emailElement) ? emailElement.GetString() : null) ?? "",
-            EmailVerified = discordUser.TryGetProperty("verified", out var verifiedElement) &&
-                            verifiedElement.GetBoolean(),
-            DisplayName = (discordUser.TryGetProperty("global_name", out var globalNameElement)
-                ? globalNameElement.GetString()
+            DisplayName = (afdianUser.TryGetProperty("name", out var nameElement)
+                ? nameElement.GetString()
                 : null) ?? "",
-            PreferredUsername = discordUser.GetProperty("username").GetString() ?? "",
-            ProfilePictureUrl = !string.IsNullOrEmpty(avatar)
-                ? $"https://cdn.discordapp.com/avatars/{userId}/{avatar}.png"
-                : "",
+            ProfilePictureUrl = avatar,
             Provider = ProviderName
         };
     }