diff --git a/logger.py b/logger.py
index 88d2e50..a98ab5a 100644
--- a/logger.py
+++ b/logger.py
@@ -7,18 +7,39 @@
 if not os.path.exists(log_dir):
     os.makedirs(log_dir)
 
+
+class PrefixFormatter(logging.Formatter):
+    """自定义格式化器，为 DEBUG 级别日志添加开源项目前缀"""
+
+    def format(self, record):
+        if record.levelno == logging.DEBUG:  # 只给 DEBUG 级别添加前缀
+            record.msg = f"[开源项目：https://github.com/chengazhen/cursor-auto-free] {record.msg}"
+        return super().format(record)
+
+
 logging.basicConfig(
-    filename=os.path.join(log_dir, f"{datetime.now().strftime('%Y-%m-%d')}.log"),
     level=logging.DEBUG,
     format="%(asctime)s - %(levelname)s - %(message)s",
-    encoding="utf-8",
+    handlers=[
+        logging.FileHandler(
+            os.path.join(log_dir, f"{datetime.now().strftime('%Y-%m-%d')}.log"),
+            encoding="utf-8",
+        ),
+    ],
 )
 
+# 为文件处理器设置自定义格式化器
+for handler in logging.getLogger().handlers:
+    if isinstance(handler, logging.FileHandler):
+        handler.setFormatter(
+            PrefixFormatter("%(asctime)s - %(levelname)s - %(message)s")
+        )
+
 
 # 创建控制台处理器
 console_handler = logging.StreamHandler()
 console_handler.setLevel(logging.INFO)
-console_handler.setFormatter(logging.Formatter("%(message)s"))
+console_handler.setFormatter(PrefixFormatter("%(message)s"))
 
 # 将控制台处理器添加到日志记录器
 logging.getLogger().addHandler(console_handler)