diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/shiro/web/filter/captcha/CaptchaValidateFilter.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/shiro/web/filter/captcha/CaptchaValidateFilter.java
index d707f8a3..e8f137c2 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/shiro/web/filter/captcha/CaptchaValidateFilter.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/shiro/web/filter/captcha/CaptchaValidateFilter.java
@@ -61,13 +61,12 @@ public class CaptchaValidateFilter extends AccessControlFilter
     {
         Object obj = ShiroUtils.getSession().getAttribute(Constants.KAPTCHA_SESSION_KEY);
         String code = String.valueOf(obj != null ? obj : "");
-        //无论验证码是否正确，凡验证过一次后都应将原值不可用,直到页面重新请求验证码,以防恶意用户持有该验证码进行针对后台发包的暴力破解
-        request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, ShiroConstants.CAPTCHA_ERROR);
+        // 验证码清除，防止多次使用。
+        request.getSession().removeAttribute(Constants.KAPTCHA_SESSION_KEY);
         if (StringUtils.isEmpty(validateCode) || !validateCode.equalsIgnoreCase(code))
         {
             return false;
         }
-
         return true;
     }