diff --git a/ruoyi-auth/src/main/java/org/dromara/auth/service/SysLoginService.java b/ruoyi-auth/src/main/java/org/dromara/auth/service/SysLoginService.java
index 59af7ccc..da36aaee 100644
--- a/ruoyi-auth/src/main/java/org/dromara/auth/service/SysLoginService.java
+++ b/ruoyi-auth/src/main/java/org/dromara/auth/service/SysLoginService.java
@@ -174,7 +174,7 @@ public class SysLoginService {
             recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
             throw new CaptchaExpireException();
         }
-        if (!code.equalsIgnoreCase(captcha)) {
+        if (!StringUtils.equalsIgnoreCase(code, captcha)) {
             recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error"));
             throw new CaptchaException();
         }