diff --git a/fuo_bilibili/provider.py b/fuo_bilibili/provider.py
index 329b8b7..b0fe13e 100644
--- a/fuo_bilibili/provider.py
+++ b/fuo_bilibili/provider.py
@@ -167,6 +167,8 @@ def sms_code_login(self, request: SmsCodeLoginRequest) -> SmsCodeLoginResponse:
         return self._api.sms_code_login(request)
 
     def search(self, keyword, type_, *args, **kwargs) -> Optional[SimpleSearchResult]:
+        if not self.has_current_user():
+            return None
         request = self._format_search_request(keyword, type_)
         if isinstance(request, Tuple):
             response = tuple([self._api.search(r) for r in request])