diff --git a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
index e579f9969..abf590b36 100644
--- a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
+++ b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
@@ -102,7 +102,7 @@ public class PasswordAuthStrategy implements IAuthStrategy {
             loginService.recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
             throw new CaptchaExpireException();
         }
-        if (!code.equalsIgnoreCase(captcha)) {
+        if (!StringUtils.equalsIgnoreCase(code, captcha)) {
             loginService.recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error"));
             throw new CaptchaException();
         }