diff --git a/src/do_tool/tool_can_use/letter_count_tool.py b/src/do_tool/tool_can_use/letter_count_tool.py
index 9731606a..5c1d3751 100644
--- a/src/do_tool/tool_can_use/letter_count_tool.py
+++ b/src/do_tool/tool_can_use/letter_count_tool.py
@@ -1,7 +1,5 @@
 import re
 from src.do_tool.tool_can_use.base_tool import BaseTool, run_lua_code
-from src.config.config import global_config
-from src.plugins.models.utils_model import LLMRequest
 from src.common.logger import get_module_logger
 from typing import Dict, Any