### Environment

* Dubbo version: 2.7.3
* Operating System version: win 10
* Java version: 1.8

系统启动时报
Caused by: java.lang.IllegalArgumentException: Unsupported generic type false
	at org.apache.dubbo.config.ServiceConfig.setGeneric(ServiceConfig.java:1015)

这个错误只有在2.7.3的时候存在，在使用2.7.2的时候没有
} else {
                map.put(TOKEN_KEY, token);
            }
        }
        // 
        String host = this.findConfigedHosts(protocolConfig, registryURLs, map);
        Integer port = this.findConfigedPorts(protocolConfig, name, map);
        URL url = new URL(name, host, port, getContextPath(protocolConfig).map(p -> p + "/" + path).orElse(path), map);
        if (ExtensionLoader.getExtensionLoader(ConfiguratorFactory.class)
                .hasExtension(url.getProtocol())) {
            url = ExtensionLoader.getExtensionLoader(ConfiguratorFactory.class)
                    .getExtension(url.getProtocol()).getConfigurator(url).configure(url);
        }
        String scope = url.getParameter(SCOPE_KEY);
        // 
        if (!SCOPE_NONE.equalsIgnoreCase(scope)) {
            // 
            if (!SCOPE_REMOTE.equalsIgnoreCase(scope)) {
                exportLocal(url);
            }
            // 
            if (!SCOPE_LOCAL.equalsIgnoreCase(scope)) {
                if (CollectionUtils.isNotEmpty(registryURLs)) {
                    for (URL registryURL : registryURLs) {
                        //
                        if (LOCAL_PROTOCOL.equalsIgnoreCase(url.getProtocol())) {
                            continue;
                        }
                        url = url.addParameterIfAbsent(DYNAMIC_KEY, registryURL.getParameter(DYNAMIC_KEY));
                        URL monitorUrl = loadMonitor(registryURL);