diff --git a/services/core.py b/services/core.py
index caf5c43..7cbddb3 100644
--- a/services/core.py
+++ b/services/core.py
@@ -62,23 +62,16 @@ async def get_my_followed() -> List[ChatMember]:
     return []
 
 
-async def get_author(author_id: int = None, slug: str = "", user: str = ""):
-    query_name = "get_author(author_id: $author_id, slug: $slug, user: $user)"
+async def get_author(user: str = ""):
+    query_name = "get_author_id(user: $user)"
     query_type = "query"
     operation = "GetAuthor($author_id: Int, $slug: String, $user: String)"
     query_fields = "id slug pic name"
-    vars = {}
-    if author_id:
-        vars["author_id"] = author_id
-    elif slug:
-        vars["slug"] = slug
-    elif user:
-        vars["user"] = user
 
     gql = {
         "query": query_type + " " + operation + " { " + query_name + " { " + query_fields + "} " + " }",
         "operationName": operation,
-        "variables": None if vars == {} else vars,
+        "variables": {"user": user},
     }
 
     r = await _request_endpoint(query_name, gql)