!743 update 注册功能同步优化 验证码校验逻辑

* update 注册功能同步优化 验证码校验逻辑

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();
         }