diff --git a/ruoyi-auth/src/main/java/com/ruoyi/auth/service/SysLoginService.java b/ruoyi-auth/src/main/java/com/ruoyi/auth/service/SysLoginService.java
index 51d27137..a84a13a9 100644
--- a/ruoyi-auth/src/main/java/com/ruoyi/auth/service/SysLoginService.java
+++ b/ruoyi-auth/src/main/java/com/ruoyi/auth/service/SysLoginService.java
@@ -132,7 +132,7 @@ public class SysLoginService {
      */
     private boolean validateSmsCode(String phonenumber, String smsCode) {
         String code = RedisUtils.getCacheObject(Constants.CAPTCHA_CODE_KEY + phonenumber);
-        if (StringUtils.isNotBlank(code)) {
+        if (StringUtils.isBlank(code)) {
             recordLogininfor(phonenumber, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
             throw new CaptchaExpireException();
         }