diff --git a/services/core.py b/services/core.py
index f1e0ef3..71eb60e 100644
--- a/services/core.py
+++ b/services/core.py
@@ -10,20 +10,14 @@ headers = {"Content-Type": "application/json"}
 
 async def _request_endpoint(query_name, body) -> Any:
     async with aiohttp.ClientSession() as session:
-        try:
-            async with session.post(API_BASE, headers=headers, json=body) as response:
-                print(f"[services.core] {query_name}: [{response.status}] {len(await response.text())} bytes")
-                if response.status != 200:
-                    return []
+        async with session.post(API_BASE, headers=headers, json=body) as response:
+            print(f"[services.core] {query_name} response: <{response.status}> {await response.text()}")
+            if response.status == 200:
                 r = await response.json()
                 if r:
                     return r.get("data", {}).get(query_name, {})
-                else:
-                    raise Exception("json response error")
-        except Exception:
-            import traceback
-
-            traceback.print_exc()
+            print(f"[services.core] json response error {r}")
+            return []
 
 
 async def get_all_authors() -> List[ChatMember]:
@@ -88,4 +82,4 @@ async def get_author(author_id: int = None, slug: str = "", user: str = ""):
         "variables": None if vars == {} else vars,
     }
 
-    return await _request_endpoint(query_name, gql)
+    r = await _request_endpoint(query_name, gql)