增加使用场景, 给大模型分析师提供依据。

src/main/java/com/rj/pojo/sys/LoginRequest.java

@@ -1,5 +1,6 @@
 package com.rj.pojo.sys;
 
+import com.fasterxml.jackson.annotation.JsonAlias;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
@@ -15,7 +16,8 @@ import jakarta.validation.constraints.NotBlank;
 @Schema(description = "登录请求")
 public class LoginRequest {
 
-    @Schema(description = "用户名", required = true, example = "admin")
+    @Schema(description = "用户名（支持 userName / username / loginAccount）", required = true, example = "admin")
+    @JsonAlias({"username", "loginAccount"})
     @NotBlank(message = "用户名不能为空")
     private String userName;