diff --git a/nanoclaude/services/worker.py b/nanoclaude/services/worker.py
index 8892aaa..ae33cef 100644
--- a/nanoclaude/services/worker.py
+++ b/nanoclaude/services/worker.py
@@ -21,7 +21,7 @@ logger = logging.getLogger(__name__)
 HEARTBEAT_INTERVAL = 4.0
 CLASSIFY_HEARTBEAT = 2.0
 MAX_PROMPT_LENGTH = 1000
-SYNOLOGY_MAX_LEN = 1500
+SYNOLOGY_MAX_LEN = 4000
 
 
 async def _complete_with_heartbeat(adapter, message: str, job_id: str, *, messages=None, beat_msg="처리 중...") -> str: