diff --git a/chii/db/sa.py b/chii/db/sa.py
index 255d3e8..556f014 100644
--- a/chii/db/sa.py
+++ b/chii/db/sa.py
@@ -1,3 +1,4 @@
+import logging.config
 import time
 
 from sqlalchemy import (
@@ -59,6 +60,29 @@ def get(T, *where, order=None):
     return s
 
 
+if config.debug:
+    # redirect echo logger to sslog
+    logging.config.dictConfig(
+        {
+            "version": 1,
+            "handlers": {
+                "sslog": {
+                    "class": "sslog.InterceptHandler",
+                    "level": "DEBUG",
+                }
+            },
+            "loggers": {
+                "": {"level": "INFO", "handlers": ["sslog"]},
+                "sqlalchemy.engine.Engine": {
+                    "level": "INFO",
+                    "handlers": ["sslog"],
+                    "propagate": False,
+                },
+            },
+        }
+    )
+
+
 def sync_session_maker():
     engine = create_engine(
         config.MYSQL_SYNC_DSN,
diff --git a/gql/model.py b/gql/model.py
index 0493edc..b406d05 100644
--- a/gql/model.py
+++ b/gql/model.py
@@ -1,8 +1,7 @@
-from dataclasses import dataclass
+from typing import TypedDict
 
 
-@dataclass(kw_only=True)
-class CollectTimeline:
+class CollectTimeline(TypedDict):
     id: int
     action: int
     user_id: int