public static Boolean judge(final ConditionData conditionData, final String realData) {
        if (Objects.isNull(conditionData) || StringUtils.isBlank(conditionData.getOperator())) {
            return false;
        }
        PredicateJudge predicateJudge = newInstance(conditionData.getOperator());
        if (!(predicateJudge instanceof BlankPredicateJudge) && StringUtils.isBlank(realData)) {
            return false;
        }
        return predicateJudge.judge(conditionData, realData);
    }
judge request realData has by pass.

@param conditionData condition data
@param realData realData
@return is true pass   is false not pass
shenyu-plugin/shenyu-plugin-base/src/main/java/org/apache/shenyu/plugin/base/condition/judge/PredicateJudgeFactory.java