1、服务端、客户端认证逻辑调整.

2、解决端口映射被禁用时，客户端启动依然能访问的问题.

neutrino-proxy-client/src/main/java/org/dromara/neutrinoproxy/client/core/ProxyClientService.java

@@ -65,7 +65,7 @@ public class ProxyClientService {
 
 	@Init
 	public void init() {
-		this.reconnectExecutor.scheduleWithFixedDelay(this::reconnect, 0, RECONNECT_INTERVAL_SECONDS, TimeUnit.SECONDS);
+		this.reconnectExecutor.scheduleWithFixedDelay(this::reconnect, 15, RECONNECT_INTERVAL_SECONDS, TimeUnit.SECONDS);
 
 		NioEventLoopGroup workerGroup = new NioEventLoopGroup(proxyConfig.getClient().getThreadCount());
 		realServerBootstrap.group(workerGroup);

neutrino-proxy-core/src/main/java/org/dromara/neutrinoproxy/core/ExceptionEnum.java

@@ -35,7 +35,9 @@ import lombok.Getter;
 public enum ExceptionEnum {
 	SUCCESS(0, "成功"),
 	AUTH_FAILED(1, "认证失败"),
-	CONNECT_FAILED(2, "连接失败");
+	CONNECT_FAILED(2, "连接失败"),
+	LICENSE_CANNOT_REPEAT_CONNECT(3, "license不能多个客户端同时使用"),
+	;
 
 	private Integer code;
 	private String msg;

neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/proxy/handler/ProxyMessageAuthHandler.java

@@ -136,7 +136,7 @@ public class ProxyMessageAuthHandler implements ProxyMessageHandler {
 		}
 		Channel cmdChannel = ProxyUtil.getCmdChannelByLicenseId(licenseDO.getId());
 		if (null != cmdChannel) {
-			ctx.channel().writeAndFlush(ProxyMessage.buildAuthResultMessage(ExceptionEnum.AUTH_FAILED.getCode(), "当前license已被另一节点使用!", licenseKey));
+			ctx.channel().writeAndFlush(ProxyMessage.buildAuthResultMessage(ExceptionEnum.LICENSE_CANNOT_REPEAT_CONNECT.getCode(), "当前license已被另一节点使用!", licenseKey));
 			ctx.channel().close();
 			clientConnectRecordService.add(new ClientConnectRecordDO()
 					.setIp(ip)