diff --git a/backend/core/conf.py b/backend/core/conf.py
index 8b14a793..7271ebcf 100644
--- a/backend/core/conf.py
+++ b/backend/core/conf.py
@@ -228,6 +228,7 @@ class Settings(BaseSettings):
     OAUTH2_LINUX_DO_CLIENT_SECRET: str
 
     # 基础配置
+    OAUTH2_BACKEND_BASE_URL: str = 'http://127.0.0.1:8000'
     OAUTH2_FRONTEND_REDIRECT_URI: str = 'http://localhost:5173/oauth2/callback'
 
     ##################################################
diff --git a/backend/plugin/oauth2/api/v1/github.py b/backend/plugin/oauth2/api/v1/github.py
index 06f3466b..0456931e 100644
--- a/backend/plugin/oauth2/api/v1/github.py
+++ b/backend/plugin/oauth2/api/v1/github.py
@@ -18,7 +18,9 @@ github_client = GitHubOAuth20(settings.OAUTH2_GITHUB_CLIENT_ID, settings.OAUTH2_
 
 @router.get('', summary='获取 Github 授权链接')
 async def get_github_oauth2_url(request: Request) -> ResponseSchemaModel[str]:
-    auth_url = await github_client.get_authorization_url(redirect_uri=f'{request.url}/callback')
+    auth_url = await github_client.get_authorization_url(
+        redirect_uri=f'{settings.OAUTH2_BACKEND_BASE_URL}{request.url.path}/callback'
+    )
     return response_base.success(data=auth_url)
 
 
diff --git a/backend/plugin/oauth2/api/v1/google.py b/backend/plugin/oauth2/api/v1/google.py
index 2be4f268..5d302f2a 100644
--- a/backend/plugin/oauth2/api/v1/google.py
+++ b/backend/plugin/oauth2/api/v1/google.py
@@ -18,7 +18,9 @@ google_client = GoogleOAuth20(settings.OAUTH2_GOOGLE_CLIENT_ID, settings.OAUTH2_
 
 @router.get('', summary='获取 google 授权链接')
 async def get_google_oauth2_url(request: Request) -> ResponseSchemaModel[str]:
-    auth_url = await google_client.get_authorization_url(redirect_uri=f'{request.url}/callback')
+    auth_url = await google_client.get_authorization_url(
+        redirect_uri=f'{settings.OAUTH2_BACKEND_BASE_URL}{request.url.path}/callback'
+    )
     return response_base.success(data=auth_url)
 
 
diff --git a/backend/plugin/oauth2/api/v1/linux_do.py b/backend/plugin/oauth2/api/v1/linux_do.py
index 627a5ec2..0c3e9a8b 100644
--- a/backend/plugin/oauth2/api/v1/linux_do.py
+++ b/backend/plugin/oauth2/api/v1/linux_do.py
@@ -18,7 +18,9 @@ linux_do_client = LinuxDoOAuth20(settings.OAUTH2_LINUX_DO_CLIENT_ID, settings.OA
 
 @router.get('', summary='获取 LinuxDo 授权链接')
 async def get_linux_do_oauth2_url(request: Request) -> ResponseSchemaModel[str]:
-    auth_url = await linux_do_client.get_authorization_url(redirect_uri=f'{request.url}/callback')
+    auth_url = await linux_do_client.get_authorization_url(
+        redirect_uri=f'{settings.OAUTH2_BACKEND_BASE_URL}{request.url.path}/callback'
+    )
     return response_base.success(data=auth_url)
 
 
diff --git a/backend/plugin/oauth2/plugin.toml b/backend/plugin/oauth2/plugin.toml
index 60818669..64c7126f 100644
--- a/backend/plugin/oauth2/plugin.toml
+++ b/backend/plugin/oauth2/plugin.toml
@@ -1,6 +1,6 @@
 [plugin]
 summary = 'OAuth 2.0'
-version = '0.0.5'
+version = '0.0.6'
 description = '通过 OAuth 2.0 的方式登录系统'
 author = 'wu-clan'