diff --git a/ruoyi-admin/src/main/java/org/dromara/web/service/SysRegisterService.java b/ruoyi-admin/src/main/java/org/dromara/web/service/SysRegisterService.java
index 567906e42..5a3351d05 100644
--- a/ruoyi-admin/src/main/java/org/dromara/web/service/SysRegisterService.java
+++ b/ruoyi-admin/src/main/java/org/dromara/web/service/SysRegisterService.java
@@ -87,7 +87,7 @@ public class SysRegisterService {
             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();
         }