diff --git a/txw-sso/txw-sso-service-biz/src/main/java/com/css/txw/sso/pojo/vo/AuthLoginReqVO.java b/txw-sso/txw-sso-service-biz/src/main/java/com/css/txw/sso/pojo/vo/AuthLoginReqVO.java
index 26c9f2c..70617e0 100644
--- a/txw-sso/txw-sso-service-biz/src/main/java/com/css/txw/sso/pojo/vo/AuthLoginReqVO.java
+++ b/txw-sso/txw-sso-service-biz/src/main/java/com/css/txw/sso/pojo/vo/AuthLoginReqVO.java
@@ -38,6 +38,11 @@ public class AuthLoginReqVO {
     @JsonProperty("CaptchaVerification")
     private String captchaVerification;
 
+    @Schema(description = "用户输入的图形验证码", requiredMode = Schema.RequiredMode.REQUIRED,
+            example = "Kp7m")
+    @JsonProperty("CaptchaCode")
+    private String captchaCode;
+
     // ========== 绑定社交登录时，需要传递如下参数 ==========
 
     @Schema(description = "社交平台的类型，参见 SocialTypeEnum 枚举值", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")