public void setActiveParamChecker(String activeParamChecker) {
        this.activeParamChecker = activeParamChecker;
    }
@Test
    void setActiveParamChecker() {
        ServerParamCheckConfig paramCheckConfig = ServerParamCheckConfig.getInstance();
        paramCheckConfig.setActiveParamChecker("test");
        assertEquals("test", paramCheckConfig.getActiveParamChecker());
    }