diff --git a/services/core.py b/services/core.py
index fb84874..f1f99c3 100644
--- a/services/core.py
+++ b/services/core.py
@@ -64,20 +64,10 @@ async def get_my_followed() -> List[ChatMember]:
 
 async def get_author(user: str = ""):
     query_name = "get_author_id"
-    query_type = "query"
     operation = "GetAuthorId"
-    query_fields = "id slug pic name"
 
     gql = {
-        "query": query_type
-        + "(user: $user) "
-        + operation
-        + "($user: String!) { "
-        + query_name
-        + " { "
-        + query_fields
-        + "} "
-        + " }",
+        "query": f"query {operation}($user: String!) {{ {query_name}(user: $user) {{ id slug pic name }} }}",
         "operationName": operation,
         "variables": {"user": user},
     }