diff --git a/src/plugins/chat/utils.py b/src/plugins/chat/utils.py
index 1e42fc2b7..52ac69473 100644
--- a/src/plugins/chat/utils.py
+++ b/src/plugins/chat/utils.py
@@ -326,7 +326,7 @@ def random_remove_punctuation(text: str) -> str:
 def process_llm_response(text: str) -> List[str]:
     # processed_response = process_text_with_typos(content)
     # 对西文字符段落的回复长度设置为汉字字符的两倍
-    max_length = global_config.response_max_length *3
+    max_length = global_config.response_max_length * 3
     max_sentence_num = global_config.response_max_sentence_num
     if len(text) > max_length and not is_western_paragraph(text):
         logger.warning(f"回复过长 ({len(text)} 字符)，返回默认回复")
diff --git a/src/plugins/utils/statistic.py b/src/plugins/utils/statistic.py
index 4b9afff39..10133f2b7 100644
--- a/src/plugins/utils/statistic.py
+++ b/src/plugins/utils/statistic.py
@@ -138,6 +138,7 @@ class LLMStatistics:
             # user_id = str(doc.get("user_info", {}).get("user_id", "unknown"))
             chat_info = doc.get("chat_info", {})
             user_info = doc.get("user_info", {})
+            user_id = str(user_info.get("user_id", "unknown"))
             message_time = doc.get("time", 0)
             group_info = chat_info.get("group_info") if chat_info else {}
             # print(f"group_info: {group_info}")