diff --git a/astrbot/core/log.py b/astrbot/core/log.py
index f51d7a7940..15b50dbdd7 100644
--- a/astrbot/core/log.py
+++ b/astrbot/core/log.py
@@ -203,6 +203,8 @@ class LogManager:
         "asyncio": logging.WARNING,
         "tzlocal": logging.WARNING,
         "apscheduler": logging.WARNING,
+        "httpx": logging.WARNING,
+        "httpcore": logging.WARNING,
     }
 
     @classmethod
diff --git a/astrbot/core/platform/sources/telegram/tg_adapter.py b/astrbot/core/platform/sources/telegram/tg_adapter.py
index 636e5d9f4c..9b2cfdd2ab 100644
--- a/astrbot/core/platform/sources/telegram/tg_adapter.py
+++ b/astrbot/core/platform/sources/telegram/tg_adapter.py
@@ -290,12 +290,19 @@ async def run(self) -> None:
                 await asyncio.sleep(self._polling_restart_delay)
 
     def _on_polling_error(self, error: Exception) -> None:
+        # Non-network errors (e.g. Conflict when two bot instances poll the
+        # same token) have a clear cause; log a concise message instead of a
+        # full traceback to avoid filling the log.
+        if not isinstance(error, NetworkError):
+            logger.error(
+                f"Telegram polling request failed: {type(error).__name__}: {error!s}"
+            )
+            return
+
         logger.error(
             f"Telegram polling request failed: {type(error).__name__}: {error!s}",
             exc_info=error,
         )
-        if not isinstance(error, NetworkError):
-            return
 
         if self._loop is None:
             return