diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6dcd60c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,22 @@
+## 安装
+暂无安装包, 请使用release发布版或直接clone代码到本地
+
+## 文档
+暂无文档, 请查看代码注释
+
+## 示例
+```python
+# 导入
+from pliblog import Logger
+# 或 import pliblog(不推荐)
+
+# 实例化
+logger = Logger()
+
+#使用功能
+logger.info("这是一条信息日志")
+
+logger.warn("这是一条带有前缀的警告日志", prefix="114514")
+
+logger.critical("这是一条带有前缀并且日志等级不同的严重错误日志", prefix="114514", level=55)
+```
\ No newline at end of file
diff --git a/src/levels/levels.py b/src/levels/levels.py
index a658f17..2524d50 100644
--- a/src/levels/levels.py
+++ b/src/levels/levels.py
@@ -72,13 +72,13 @@ class Logger:
         return fmt_console(level, fmt_message(message, no_placeholder=True), prefix)
 
     @staticmethod
-    def warn(message: Any, prefix: str | None = None, level: int = 30) -> Optional[str]:
+    def warn(message: Any, prefix: str | None = None, level: int = 31) -> Optional[str]:
         """
         警告日志
         Warn log
         :param message: 消息内容 Message content
         :param prefix: 前缀 Prefix
-        :param level: 日志级别 Log level(30~40)
+        :param level: 日志级别 Log level(31~40)
         """
         if level < 30 or level > 40:
             return None
@@ -90,13 +90,13 @@ class Logger:
         return fmt_console(level, fmt_message(message, no_placeholder=True), prefix)
 
     @staticmethod
-    def error(message: Any, prefix: str | None = None, level: int = 40) -> Optional[str]:
+    def error(message: Any, prefix: str | None = None, level: int = 41) -> Optional[str]:
         """
         错误日志
         Error log
         :param message: 消息内容 Message content
         :param prefix: 前缀 Prefix
-        :param level: 日志级别 Log level(40~50)
+        :param level: 日志级别 Log level(41~50)
         """
         if level < 40 or level > 50:
             return None
@@ -108,13 +108,13 @@ class Logger:
         return fmt_console(level, fmt_message(message, no_placeholder=True), prefix)
     
     @staticmethod
-    def critical(message: Any, prefix: str | None = None, level: int = 50) -> Optional[str]:
+    def critical(message: Any, prefix: str | None = None, level: int = 51) -> Optional[str]:
         """
         严重错误日志
         Critical error log
         :param message: 消息内容 Message content
         :param prefix: 前缀 Prefix
-        :param level: 日志级别 Log level(50~60)
+        :param level: 日志级别 Log level(51~60)
         """
         if level < 50 or level > 60:
             return None