diff --git a/api/core/app/apps/chat/app_config_manager.py b/api/core/app/apps/chat/app_config_manager.py
index 5f087f6066..35507d65ab 100644
--- a/api/core/app/apps/chat/app_config_manager.py
+++ b/api/core/app/apps/chat/app_config_manager.py
@@ -81,7 +81,7 @@ class ChatAppConfigManager(BaseAppConfigManager):
         return app_config
 
     @classmethod
-    def config_validate(cls, tenant_id: str, config: dict) -> AppModelConfigDict:
+    def config_validate(cls, tenant_id: str, config: dict[str, Any]) -> AppModelConfigDict:
         """
         Validate for chat app model config
 
diff --git a/api/core/app/apps/completion/app_config_manager.py b/api/core/app/apps/completion/app_config_manager.py
index f49e7b8b5e..fcfb38e8c8 100644
--- a/api/core/app/apps/completion/app_config_manager.py
+++ b/api/core/app/apps/completion/app_config_manager.py
@@ -68,7 +68,7 @@ class CompletionAppConfigManager(BaseAppConfigManager):
         return app_config
 
     @classmethod
-    def config_validate(cls, tenant_id: str, config: dict) -> AppModelConfigDict:
+    def config_validate(cls, tenant_id: str, config: dict[str, Any]) -> AppModelConfigDict:
         """
         Validate for completion app model config
 
diff --git a/api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_service.py b/api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_service.py
index 6283dbb986..ca9494e53f 100644
--- a/api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_service.py
+++ b/api/providers/vdb/vdb-tidb-on-qdrant/src/dify_vdb_tidb_on_qdrant/tidb_service.py
@@ -1,7 +1,8 @@
 import logging
 import time
 import uuid
-from collections.abc import Sequence
+from collections.abc import Mapping, Sequence
+from typing import Any
 
 import httpx
 from httpx import DigestAuth
@@ -24,7 +25,7 @@ _tidb_http_client: httpx.Client = get_pooled_http_client(
 
 class TidbService:
     @staticmethod
-    def extract_qdrant_endpoint(cluster_response: dict) -> str | None:
+    def extract_qdrant_endpoint(cluster_response: Mapping[str, Any]) -> str | None:
         """Extract the qdrant endpoint URL from a Get Cluster API response.
 
         Reads ``endpoints.public.host`` (e.g. ``gateway01.xx.tidbcloud.com``),