diff --git a/neutrino-proxy-client/src/main/resources/app.yml b/neutrino-proxy-client/src/main/resources/app.yml
index 5492ea46..8bc09828 100644
--- a/neutrino-proxy-client/src/main/resources/app.yml
+++ b/neutrino-proxy-client/src/main/resources/app.yml
@@ -3,7 +3,7 @@ solon:
     add: ./app.yml
   app:
     name: neutrino-proxy-client
-    version: 2.0.2
+    version: 2.0.4.t1
 # 日志级别
 solon.logging.appender:
   console:
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/base/proxy/ProxyConfiguration.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/base/proxy/ProxyConfiguration.java
index 275fd0d3..a9a69fb8 100644
--- a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/base/proxy/ProxyConfiguration.java
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/base/proxy/ProxyConfiguration.java
@@ -22,6 +22,7 @@ import org.dromara.neutrinoproxy.server.proxy.core.UdpVisitorChannelHandler;
 import org.dromara.neutrinoproxy.server.proxy.security.TcpVisitorSecurityChannelHandler;
 import org.dromara.neutrinoproxy.server.proxy.security.UdpVisitorSecurityChannelHandler;
 import org.dromara.neutrinoproxy.server.proxy.security.VisitorFlowLimiterChannelHandler;
+import org.dromara.neutrinoproxy.server.util.ProxyUtil;
 import org.noear.solon.Solon;
 import org.noear.solon.annotation.Bean;
 import org.noear.solon.annotation.Configuration;
@@ -46,6 +47,8 @@ public class ProxyConfiguration implements LifecycleBean {
                     null : ProxyDataTypeEnum.of((int)proxyMessage.getType()).getName());
 
         Solon.context().wrapAndPut(Dispatcher.class, dispatcher);
+
+        ProxyUtil.init();
     }
 
     @Bean("tcpServerBossGroup")
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/StatsController.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/StatsController.java
new file mode 100644
index 00000000..a2568544
--- /dev/null
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/StatsController.java
@@ -0,0 +1,26 @@
+package org.dromara.neutrinoproxy.server.controller;
+
+import org.dromara.neutrinoproxy.server.base.rest.Authorization;
+import org.dromara.neutrinoproxy.server.controller.res.stats.StatsInfoRes;
+import org.dromara.neutrinoproxy.server.util.ProxyUtil;
+import org.noear.solon.annotation.Controller;
+import org.noear.solon.annotation.Get;
+import org.noear.solon.annotation.Mapping;
+
+/**
+ *
+ * @author: wen.y
+ * @date: 2026/1/20
+ */
+@Mapping("/stats")
+@Controller
+public class StatsController {
+
+    @Authorization(login = false)
+    @Get
+    @Mapping("/info")
+    public StatsInfoRes info() {
+        return new StatsInfoRes().setCacheInfo(ProxyUtil.getCacheInfo());
+    }
+
+}
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/res/stats/StatsInfoRes.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/res/stats/StatsInfoRes.java
new file mode 100644
index 00000000..ef5ef39e
--- /dev/null
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/controller/res/stats/StatsInfoRes.java
@@ -0,0 +1,31 @@
+package org.dromara.neutrinoproxy.server.controller.res.stats;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+/**
+ *
+ * @author: wen.y
+ * @date: 2026/1/20
+ */
+@Accessors(chain = true)
+@Data
+public class StatsInfoRes {
+    private CacheInfo cacheInfo;
+
+    @Data
+    public static class CacheInfo {
+        private Integer proxyInfoMapSize;
+        private Integer serverPortToCmdChannelMapSize;
+        private Integer licenseToCmdChannelMapSize;
+        private Integer serverPortToVisitorChannelMapSize;
+        private Integer proxyConnectAttachmentMapSize;
+        private Integer fullDomainToServerPortMapSize;
+        private Integer domainToDomainNameIdMapSize;
+        private Integer licenseIdToClientIdMapSize;
+        private Integer visitorIdToSocketAddressMapSize;
+        private Integer socketAddressToVisitorIdMapSize;
+        private Integer visitorIdToTunnelChannelMapSize;
+    }
+
+}
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/proxy/handler/ProxyMessageConnectHandler.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/proxy/handler/ProxyMessageConnectHandler.java
index 06c21571..048cadd7 100644
--- a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/proxy/handler/ProxyMessageConnectHandler.java
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/proxy/handler/ProxyMessageConnectHandler.java
@@ -79,14 +79,7 @@ public class ProxyMessageConnectHandler implements ProxyMessageHandler {
             ctx.channel().close();
 			return;
 		}
-        // 获取代理附加对象
-        Constants.ProxyAttachment proxyAttachment = visitorChannel.attr(Constants.PROXY_CONNECT_ATTACHMENT).get();
-        if (null == proxyAttachment) {
-            ctx.channel().writeAndFlush(ProxyMessage.buildErrMessage(ExceptionEnum.CONNECT_FAILED, "server error，visitor channel proxy attachment not found!"));
-            ctx.channel().close();
-            visitorChannel.close();
-            return;
-        }
+
 		ctx.channel().attr(Constants.VISITOR_ID).set(visitorId);
 		ctx.channel().attr(Constants.LICENSE_ID).set(licenseDO.getId());
 		ctx.channel().attr(Constants.NEXT_CHANNEL).set(visitorChannel);
@@ -95,8 +88,16 @@ public class ProxyMessageConnectHandler implements ProxyMessageHandler {
         // 代理客户端与后端服务器连接成功，修改用户连接为可读状态
 		visitorChannel.config().setOption(ChannelOption.AUTO_READ, true);
 
-        // 转发来自visitor的首次代理数据
-        proxyAttachment.execute(visitorChannel);
+
+        // 获取代理附加对象
+        Constants.ProxyAttachment proxyAttachment = visitorChannel.attr(Constants.PROXY_CONNECT_ATTACHMENT).get();
+        if (null != proxyAttachment) {
+            // 转发来自visitor的首次代理数据
+            proxyAttachment.execute(visitorChannel);
+
+            // 此处时TCP代理，不一定有代理附加对象，不能因为没有而直接释放visitorChannel
+        }
+
 
 //		// 获取代理附加对象
 //		ProxyAttachment proxyAttachment = ProxyUtil.getProxyConnectAttachment(visitorId);
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ProxyUtil.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ProxyUtil.java
index 5ce63b71..d2908dcd 100644
--- a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ProxyUtil.java
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ProxyUtil.java
@@ -6,16 +6,21 @@ import org.apache.commons.lang3.StringUtils;
 import org.dromara.neutrinoproxy.core.ChannelAttribute;
 import org.dromara.neutrinoproxy.core.Constants;
 import org.dromara.neutrinoproxy.server.constant.NetworkProtocolEnum;
+import org.dromara.neutrinoproxy.server.controller.res.stats.StatsInfoRes;
 import org.dromara.neutrinoproxy.server.proxy.domain.CmdChannelAttachInfo;
 import org.dromara.neutrinoproxy.server.proxy.domain.ProxyMapping;
 import org.dromara.neutrinoproxy.server.proxy.domain.VisitorChannelAttachInfo;
 import io.netty.channel.Channel;
 import io.netty.util.AttributeKey;
+import org.dromara.solonplugins.job.CustomThreadFactory;
 
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
@@ -88,6 +93,46 @@ public class ProxyUtil {
      */
     private static Map<String, Channel> visitorIdToTunnelChannelMap = new HashMap<>();
 
+    /**
+     * cache扫描器
+     */
+    private static final ScheduledExecutorService cacheScanner = Executors.newSingleThreadScheduledExecutor(new CustomThreadFactory("cacheScanner"));
+
+
+    /**
+     * 初始化，启动一个定时器，定时清理缓存
+     */
+    public static void init() {
+        cacheScanner.scheduleWithFixedDelay(ProxyUtil::cacheScan, 5, 5, TimeUnit.SECONDS);
+    }
+
+    public static synchronized void cacheScan() {
+        for (Integer key : serverPortToCmdChannelMap.keySet()) {
+            Channel channel = serverPortToCmdChannelMap.get(key);
+            if (null == channel || !channel.isRegistered()) {
+                serverPortToCmdChannelMap.remove(key);
+            }
+        }
+        for (Integer key : licenseToCmdChannelMap.keySet()) {
+            Channel channel = licenseToCmdChannelMap.get(key);
+            if (null == channel || !channel.isRegistered()) {
+                licenseToCmdChannelMap.remove(key);
+            }
+        }
+        for (Integer key : serverPortToVisitorChannel.keySet()) {
+            Channel channel = serverPortToVisitorChannel.get(key);
+            if (null == channel || !channel.isRegistered()) {
+                serverPortToVisitorChannel.remove(key);
+            }
+        }
+        for (String key : visitorIdToTunnelChannelMap.keySet()) {
+            Channel channel = visitorIdToTunnelChannelMap.get(key);
+            if (null == channel || !channel.isRegistered()) {
+                visitorIdToTunnelChannelMap.remove(key);
+            }
+        }
+    }
+
 	/**
 	 * 初始化代理信息
 	 * @param licenseId licenseId
@@ -524,4 +569,20 @@ public class ProxyUtil {
         return visitorIdToTunnelChannelMap.get(visitorId);
     }
 
+    public static StatsInfoRes.CacheInfo getCacheInfo() {
+        return new StatsInfoRes.CacheInfo()
+            .setProxyInfoMapSize(proxyInfoMap.size())
+            .setServerPortToCmdChannelMapSize(serverPortToCmdChannelMap.size())
+            .setLicenseToCmdChannelMapSize(licenseToCmdChannelMap.size())
+            .setServerPortToVisitorChannelMapSize(serverPortToVisitorChannel.size())
+            .setProxyConnectAttachmentMapSize(proxyConnectAttachmentMap.size())
+            .setFullDomainToServerPortMapSize(fullDomainToServerPortMap.size())
+            .setDomainToDomainNameIdMapSize(domainToDomainNameIdMap.size())
+            .setLicenseIdToClientIdMapSize(licenseIdToClientIdMap.size())
+            .setVisitorIdToSocketAddressMapSize(visitorIdToSocketAddressMap.size())
+            .setSocketAddressToVisitorIdMapSize(socketAddressToVisitorIdMap.size())
+            .setVisitorIdToTunnelChannelMapSize(visitorIdToTunnelChannelMap.size())
+            ;
+    }
+
 }
diff --git a/neutrino-proxy-server/src/main/resources/app.yml b/neutrino-proxy-server/src/main/resources/app.yml
index 162b021e..ec456e6f 100644
--- a/neutrino-proxy-server/src/main/resources/app.yml
+++ b/neutrino-proxy-server/src/main/resources/app.yml
@@ -5,7 +5,7 @@ server:
 solon:
   app:
     name: neutrino-proxy-server
-    version: 2.0.2
+    version: 2.0.4.t1
   config:
     add: ./app.yml
 # 日志级别