diff --git a/bootx-platform/bootx-services/service-baseapi/src/main/java/cn/bootx/platform/baseapi/core/captcha/service/CaptchaService.java b/bootx-platform/bootx-services/service-baseapi/src/main/java/cn/bootx/platform/baseapi/core/captcha/service/CaptchaService.java
index ff3abf907..f601d460d 100644
--- a/bootx-platform/bootx-services/service-baseapi/src/main/java/cn/bootx/platform/baseapi/core/captcha/service/CaptchaService.java
+++ b/bootx-platform/bootx-services/service-baseapi/src/main/java/cn/bootx/platform/baseapi/core/captcha/service/CaptchaService.java
@@ -80,6 +80,8 @@ public class CaptchaService {
 
     /**
      * 验证手机发送的验证码是否还在有效时间内
+     * @param phone 手机号
+     * @param type 业务类型, 用来区分不同业务的短信验证码
      */
     public boolean existsSmsCaptcha(String phone, String type) {
         return redisClient.exists(getSmsCaptchaPrefix(type) + phone);