diff --git a/src/main/java/xyz/wbsite/mcp/server/annotation/P.java b/src/main/java/xyz/wbsite/mcp/server/annotation/P.java
index 4a8e83b..86dbf8c 100644
--- a/src/main/java/xyz/wbsite/mcp/server/annotation/P.java
+++ b/src/main/java/xyz/wbsite/mcp/server/annotation/P.java
@@ -5,6 +5,11 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+/**
+ * 参数描述注解
+ * <p>用于标记方法参数并提供元数据信息，主要应用于MCP服务中的工具方法参数声明。
+ * 通过该注解可定义参数的描述信息及是否为必填项，便于服务框架进行参数校验和文档生成。</p>
+ */
 @Retention(RetentionPolicy.RUNTIME)
 @Target({ElementType.PARAMETER})
 public @interface P {
diff --git a/src/main/java/xyz/wbsite/mcp/server/registrar/McpServerRegistrar.java b/src/main/java/xyz/wbsite/mcp/server/registrar/McpServerRegistrar.java
index 77c9764..5c81c31 100644
--- a/src/main/java/xyz/wbsite/mcp/server/registrar/McpServerRegistrar.java
+++ b/src/main/java/xyz/wbsite/mcp/server/registrar/McpServerRegistrar.java
@@ -1,4 +1,3 @@
-
 package xyz.wbsite.mcp.server.registrar;
 
 import cn.hutool.json.JSONUtil;