diff --git a/astrbot/core/config/default.py b/astrbot/core/config/default.py
index 9ddb4aa64..ae2151ae2 100644
--- a/astrbot/core/config/default.py
+++ b/astrbot/core/config/default.py
@@ -136,8 +136,8 @@ DEFAULT_CONFIG = {
         ),
         "llm_compress_keep_recent_ratio": 0.15,
         "llm_compress_provider_id": "",
-        "max_context_length": 50,
-        "dequeue_context_length": 10,
+        "max_context_length": -1, # 默认不限制
+        "dequeue_context_length": 1,
         "streaming_response": False,
         "show_tool_use_status": False,
         "show_tool_call_result": False,