diff --git a/backend/apps/rag/main.py b/backend/apps/rag/main.py
index a47874f22..49146a215 100644
--- a/backend/apps/rag/main.py
+++ b/backend/apps/rag/main.py
@@ -777,7 +777,7 @@ def search_web(engine: str, query: str) -> list[SearchResult]:
                 app.state.config.SEARXNG_QUERY_URL,
                 query,
                 app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
-                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST
+                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception("No SEARXNG_QUERY_URL found in environment variables")
@@ -791,7 +791,7 @@ def search_web(engine: str, query: str) -> list[SearchResult]:
                 app.state.config.GOOGLE_PSE_ENGINE_ID,
                 query,
                 app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
-                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST
+                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception(
@@ -803,7 +803,7 @@ def search_web(engine: str, query: str) -> list[SearchResult]:
                 app.state.config.BRAVE_SEARCH_API_KEY,
                 query,
                 app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
-                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST
+                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception("No BRAVE_SEARCH_API_KEY found in environment variables")
@@ -824,7 +824,7 @@ def search_web(engine: str, query: str) -> list[SearchResult]:
                 app.state.config.SERPER_API_KEY,
                 query,
                 app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
-                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST
+                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception("No SERPER_API_KEY found in environment variables")
@@ -834,12 +834,16 @@ def search_web(engine: str, query: str) -> list[SearchResult]:
                 app.state.config.SERPLY_API_KEY,
                 query,
                 app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
-                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST
+                app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
             )
         else:
             raise Exception("No SERPLY_API_KEY found in environment variables")
     elif engine == "duckduckgo":
-        return search_duckduckgo(query, app.state.config.RAG_WEB_SEARCH_RESULT_COUNT, app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST)
+        return search_duckduckgo(
+            query,
+            app.state.config.RAG_WEB_SEARCH_RESULT_COUNT,
+            app.state.config.RAG_WEB_SEARCH_DOMAIN_FILTER_LIST,
+        )
     elif engine == "tavily":
         if app.state.config.TAVILY_API_KEY:
             return search_tavily(
diff --git a/backend/apps/rag/search/brave.py b/backend/apps/rag/search/brave.py
index a20a2cde8..76ad1fb47 100644
--- a/backend/apps/rag/search/brave.py
+++ b/backend/apps/rag/search/brave.py
@@ -9,7 +9,9 @@ log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
-def search_brave(api_key: str, query: str, count: int, filter_list: Optional[List[str]] = None) -> list[SearchResult]:
+def search_brave(
+    api_key: str, query: str, count: int, filter_list: Optional[List[str]] = None
+) -> list[SearchResult]:
     """Search using Brave's Search API and return the results as a list of SearchResult objects.
 
     Args:
@@ -31,7 +33,7 @@ def search_brave(api_key: str, query: str, count: int, filter_list: Optional[Lis
     results = json_response.get("web", {}).get("results", [])
     if filter_list:
         results = get_filtered_results(results, filter_list)
-    
+
     return [
         SearchResult(
             link=result["url"], title=result.get("title"), snippet=result.get("snippet")
diff --git a/backend/apps/rag/search/duckduckgo.py b/backend/apps/rag/search/duckduckgo.py
index 8bcb18cc9..f0cc2a710 100644
--- a/backend/apps/rag/search/duckduckgo.py
+++ b/backend/apps/rag/search/duckduckgo.py
@@ -8,7 +8,9 @@ log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
-def search_duckduckgo(query: str, count: int, filter_list: Optional[List[str]] = None) -> list[SearchResult]:
+def search_duckduckgo(
+    query: str, count: int, filter_list: Optional[List[str]] = None
+) -> list[SearchResult]:
     """
     Search using DuckDuckGo's Search API and return the results as a list of SearchResult objects.
     Args:
diff --git a/backend/apps/rag/search/google_pse.py b/backend/apps/rag/search/google_pse.py
index 84ecafa81..0c78512e7 100644
--- a/backend/apps/rag/search/google_pse.py
+++ b/backend/apps/rag/search/google_pse.py
@@ -11,7 +11,11 @@ log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
 def search_google_pse(
-    api_key: str, search_engine_id: str, query: str, count: int, filter_list: Optional[List[str]] = None
+    api_key: str,
+    search_engine_id: str,
+    query: str,
+    count: int,
+    filter_list: Optional[List[str]] = None,
 ) -> list[SearchResult]:
     """Search using Google's Programmable Search Engine API and return the results as a list of SearchResult objects.
 
diff --git a/backend/apps/rag/search/main.py b/backend/apps/rag/search/main.py
index 4041372f3..49056f1fd 100644
--- a/backend/apps/rag/search/main.py
+++ b/backend/apps/rag/search/main.py
@@ -13,6 +13,7 @@ def get_filtered_results(results, filter_list):
             filtered_results.append(result)
     return filtered_results
 
+
 class SearchResult(BaseModel):
     link: str
     title: Optional[str]
diff --git a/backend/apps/rag/search/searxng.py b/backend/apps/rag/search/searxng.py
index 850513ee1..f0e4a16ee 100644
--- a/backend/apps/rag/search/searxng.py
+++ b/backend/apps/rag/search/searxng.py
@@ -11,7 +11,11 @@ log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
 def search_searxng(
-    query_url: str, query: str, count: int, filter_list: Optional[List[str]] = None,  **kwargs
+    query_url: str,
+    query: str,
+    count: int,
+    filter_list: Optional[List[str]] = None,
+    **kwargs,
 ) -> List[SearchResult]:
     """
     Search a SearXNG instance for a given query and return the results as a list of SearchResult objects.
diff --git a/backend/apps/rag/search/serper.py b/backend/apps/rag/search/serper.py
index 1e3918446..b278a4df1 100644
--- a/backend/apps/rag/search/serper.py
+++ b/backend/apps/rag/search/serper.py
@@ -10,7 +10,9 @@ log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
-def search_serper(api_key: str, query: str, count: int, filter_list: Optional[List[str]] = None) -> list[SearchResult]:
+def search_serper(
+    api_key: str, query: str, count: int, filter_list: Optional[List[str]] = None
+) -> list[SearchResult]:
     """Search using serper.dev's API and return the results as a list of SearchResult objects.
 
     Args:
diff --git a/backend/apps/rag/search/serpstack.py b/backend/apps/rag/search/serpstack.py
index f69baaf92..64b0f117d 100644
--- a/backend/apps/rag/search/serpstack.py
+++ b/backend/apps/rag/search/serpstack.py
@@ -11,7 +11,11 @@ log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
 def search_serpstack(
-    api_key: str, query: str, count: int, filter_list: Optional[List[str]] = None, https_enabled: bool = True
+    api_key: str,
+    query: str,
+    count: int,
+    filter_list: Optional[List[str]] = None,
+    https_enabled: bool = True,
 ) -> list[SearchResult]:
     """Search using serpstack.com's and return the results as a list of SearchResult objects.
 
diff --git a/backend/config.py b/backend/config.py
index 5981debb0..01ce060a3 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -903,14 +903,14 @@ RAG_WEB_SEARCH_ENGINE = PersistentConfig(
     os.getenv("RAG_WEB_SEARCH_ENGINE", ""),
 )
 
-# You can provide a list of your own websites to filter after performing a web search. 
+# You can provide a list of your own websites to filter after performing a web search.
 # This ensures the highest level of safety and reliability of the information sources.
 RAG_WEB_SEARCH_DOMAIN_FILTER_LIST = PersistentConfig(
     "RAG_WEB_SEARCH_DOMAIN_FILTER_LIST",
     "rag.rag.web.search.domain.filter_list",
     [
-        # "wikipedia.com", 
-        # "wikimedia.org",        
+        # "wikipedia.com",
+        # "wikimedia.org",
         # "wikidata.org",
     ],
 )
diff --git a/src/lib/i18n/locales/ko-KR/translation.json b/src/lib/i18n/locales/ko-KR/translation.json
index 590c5f6ca..0ecb1a7f5 100644
--- a/src/lib/i18n/locales/ko-KR/translation.json
+++ b/src/lib/i18n/locales/ko-KR/translation.json
@@ -600,4 +600,4 @@
 	"Your account status is currently pending activation.": "현재 계정은 아직 활성화되지 않았습니다.",
 	"Youtube": "유튜브",
 	"Youtube Loader Settings": "유튜브 로더 설정"
-}
\ No newline at end of file
+}