diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/InputTypeEnum.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/InputTypeEnum.java
index 871c5910..42cf2f6b 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/InputTypeEnum.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/InputTypeEnum.java
@@ -24,7 +24,7 @@ public enum InputTypeEnum {
      */
     CHECK("ck",
             TerminalCheckHandler.class,
-            new String[]{"type", "session", "hostId"},
+            new String[]{"type", "sessionId", "hostId"},
             TerminalCheckRequest.class),
 
     /**
@@ -32,7 +32,7 @@ public enum InputTypeEnum {
      */
     CONNECT("co",
             TerminalConnectHandler.class,
-            new String[]{"type", "session", "cols", "rows"},
+            new String[]{"type", "sessionId", "cols", "rows"},
             TerminalConnectRequest.class),
 
     /**
@@ -40,7 +40,7 @@ public enum InputTypeEnum {
      */
     CLOSE("cl",
             TerminalCloseHandler.class,
-            new String[]{"type", "session"},
+            new String[]{"type", "sessionId"},
             TerminalBasePayload.class),
 
     /**
@@ -56,7 +56,7 @@ public enum InputTypeEnum {
      */
     RESIZE("rs",
             TerminalResizeHandler.class,
-            new String[]{"type", "session", "cols", "rows"},
+            new String[]{"type", "sessionId", "cols", "rows"},
             TerminalResizeRequest.class),
 
     /**
@@ -64,7 +64,7 @@ public enum InputTypeEnum {
      */
     EXEC("e",
             TerminalExecHandler.class,
-            new String[]{"type", "session", "command"},
+            new String[]{"type", "sessionId", "command"},
             TerminalExecRequest.class),
 
     /**
@@ -72,7 +72,7 @@ public enum InputTypeEnum {
      */
     INPUT("i",
             TerminalInputHandler.class,
-            new String[]{"type", "session", "command"},
+            new String[]{"type", "sessionId", "command"},
             TerminalInputRequest.class),
 
     ;
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/OutputTypeEnum.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/OutputTypeEnum.java
index ae456606..e3eaccfa 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/OutputTypeEnum.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/enums/OutputTypeEnum.java
@@ -18,12 +18,17 @@ public enum OutputTypeEnum {
     /**
      * 主机连接检查
      */
-    CHECK("ck", "${type}|${session}|${result}|${errorMessage}"),
+    CHECK("ck", "${type}|${sessionId}|${result}|${msg}"),
 
     /**
      * 主机连接
      */
-    CONNECT("co", "${type}|${session}|${result}|${errorMessage}"),
+    CONNECT("co", "${type}|${sessionId}|${result}|${msg}"),
+
+    /**
+     * 关闭连接
+     */
+    CLOSE("cl", "${type}|${sessionId}|${msg}"),
 
     /**
      * pong
@@ -33,7 +38,7 @@ public enum OutputTypeEnum {
     /**
      * 输出
      */
-    OUTPUT("o", "${type}|${session}|${body}"),
+    OUTPUT("o", "${type}|${sessionId}|${body}"),
 
     ;
 
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCheckHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCheckHandler.java
index 095f25ef..97ca4c11 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCheckHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCheckHandler.java
@@ -59,7 +59,7 @@ public class TerminalCheckHandler extends AbstractTerminalHandler<TerminalCheckR
         Long hostId = payload.getHostId();
         Long userId = this.getAttr(channel, ExtraFieldConst.USER_ID);
         long startTime = System.currentTimeMillis();
-        String sessionId = payload.getSession();
+        String sessionId = payload.getSessionId();
         log.info("TerminalCheckHandler-handle start userId: {}, hostId: {}, sessionId: {}", userId, hostId, sessionId);
         // 检查 session 是否存在
         if (this.checkSession(channel, payload)) {
@@ -89,9 +89,9 @@ public class TerminalCheckHandler extends AbstractTerminalHandler<TerminalCheckR
         this.send(channel,
                 OutputTypeEnum.CHECK,
                 TerminalCheckResponse.builder()
-                        .session(payload.getSession())
+                        .sessionId(payload.getSessionId())
                         .result(BooleanBit.of(ex == null).getValue())
-                        .errorMessage(ex == null ? null : ex.getMessage())
+                        .msg(ex == null ? null : ex.getMessage())
                         .build());
     }
 
@@ -103,7 +103,7 @@ public class TerminalCheckHandler extends AbstractTerminalHandler<TerminalCheckR
      * @return 是否存在
      */
     private boolean checkSession(WebSocketSession channel, TerminalCheckRequest payload) {
-        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSession());
+        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSessionId());
         if (terminalSession != null) {
             this.sendCheckFailedMessage(channel, payload, ErrorMessage.SESSION_PRESENT);
             return true;
@@ -137,13 +137,13 @@ public class TerminalCheckHandler extends AbstractTerminalHandler<TerminalCheckR
      * @param msg     msg
      */
     private void sendCheckFailedMessage(WebSocketSession channel, TerminalCheckRequest payload, String msg) {
-        TerminalCheckResponse build = TerminalCheckResponse.builder()
-                .session(payload.getSession())
+        TerminalCheckResponse resp = TerminalCheckResponse.builder()
+                .sessionId(payload.getSessionId())
                 .result(BooleanBit.FALSE.getValue())
-                .errorMessage(msg)
+                .msg(msg)
                 .build();
         // 发送
-        this.send(channel, OutputTypeEnum.CHECK, build);
+        this.send(channel, OutputTypeEnum.CHECK, resp);
     }
 
     /**
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCloseHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCloseHandler.java
index 6dd46780..0f6403aa 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCloseHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalCloseHandler.java
@@ -24,9 +24,9 @@ public class TerminalCloseHandler extends AbstractTerminalHandler<TerminalBasePa
 
     @Override
     public void handle(WebSocketSession channel, TerminalBasePayload payload) {
-        log.info("TerminalCloseHandler-handle start session: {}", payload.getSession());
+        log.info("TerminalCloseHandler-handle start session: {}", payload.getSessionId());
         // 关闭会话
-        terminalManager.closeSession(channel.getId(), payload.getSession());
+        terminalManager.closeSession(channel.getId(), payload.getSessionId());
     }
 
 }
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalConnectHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalConnectHandler.java
index 61fc47dd..bfddd4f2 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalConnectHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalConnectHandler.java
@@ -48,7 +48,7 @@ public class TerminalConnectHandler extends AbstractTerminalHandler<TerminalConn
 
     @Override
     public void handle(WebSocketSession channel, TerminalConnectRequest payload) {
-        String sessionId = payload.getSession();
+        String sessionId = payload.getSessionId();
         log.info("TerminalConnectHandler-handle start sessionId: {}", sessionId);
         // 获取主机连接信息
         HostTerminalConnectDTO connect = this.getAttr(channel, sessionId);
@@ -57,9 +57,9 @@ public class TerminalConnectHandler extends AbstractTerminalHandler<TerminalConn
             this.send(channel,
                     OutputTypeEnum.CONNECT,
                     TerminalConnectResponse.builder()
-                            .session(payload.getSession())
+                            .sessionId(payload.getSessionId())
                             .result(BooleanBit.FALSE.getValue())
-                            .errorMessage(ErrorMessage.SESSION_ABSENT)
+                            .msg(ErrorMessage.SESSION_ABSENT)
                             .build());
             return;
         }
@@ -80,9 +80,9 @@ public class TerminalConnectHandler extends AbstractTerminalHandler<TerminalConn
         this.send(channel,
                 OutputTypeEnum.CONNECT,
                 TerminalConnectResponse.builder()
-                        .session(payload.getSession())
+                        .sessionId(payload.getSessionId())
                         .result(BooleanBit.of(ex == null).getValue())
-                        .errorMessage(this.getConnectErrorMessage(ex))
+                        .msg(this.getConnectErrorMessage(ex))
                         .build());
     }
 
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalExecHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalExecHandler.java
index 87879d0b..306616e9 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalExecHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalExecHandler.java
@@ -26,7 +26,7 @@ public class TerminalExecHandler extends AbstractTerminalHandler<TerminalExecReq
     @Override
     public void handle(WebSocketSession channel, TerminalExecRequest payload) {
         // 获取会话
-        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSession());
+        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSessionId());
         if (terminalSession != null) {
             // 执行命令
             terminalSession.write(payload.getCommand());
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalInputHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalInputHandler.java
index 3b65a473..8eaa2d05 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalInputHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalInputHandler.java
@@ -26,7 +26,7 @@ public class TerminalInputHandler extends AbstractTerminalHandler<TerminalInputR
     @Override
     public void handle(WebSocketSession channel, TerminalInputRequest payload) {
         // 获取会话
-        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSession());
+        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSessionId());
         if (terminalSession != null) {
             // 处理输入
             terminalSession.write(payload.getCommand());
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalPingHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalPingHandler.java
index e02ce32d..00a51514 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalPingHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalPingHandler.java
@@ -1,11 +1,17 @@
 package com.orion.ops.module.asset.handler.host.terminal.handler;
 
+import com.orion.lang.utils.collect.Maps;
 import com.orion.ops.module.asset.handler.host.terminal.enums.OutputTypeEnum;
+import com.orion.ops.module.asset.handler.host.terminal.manager.TerminalManager;
 import com.orion.ops.module.asset.handler.host.terminal.model.TerminalBasePayload;
+import com.orion.ops.module.asset.handler.host.terminal.session.ITerminalSession;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import org.springframework.web.socket.WebSocketSession;
 
+import javax.annotation.Resource;
+import java.util.Map;
+
 /**
  * ping 处理器
  *
@@ -17,10 +23,20 @@ import org.springframework.web.socket.WebSocketSession;
 @Component
 public class TerminalPingHandler extends AbstractTerminalHandler<TerminalBasePayload> {
 
+    @Resource
+    private TerminalManager terminalManager;
+
     @Override
     public void handle(WebSocketSession channel, TerminalBasePayload payload) {
         // 发送 pong
         this.send(channel, OutputTypeEnum.PONG.getType());
+        // 活跃 terminal
+        Map<String, ITerminalSession> sessions = terminalManager.getSession(channel.getId());
+        if (!Maps.isEmpty(sessions)) {
+            for (ITerminalSession session : sessions.values()) {
+                session.keepAlive();
+            }
+        }
     }
 
 }
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalResizeHandler.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalResizeHandler.java
index 7b5283ad..dddbf920 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalResizeHandler.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/handler/TerminalResizeHandler.java
@@ -26,7 +26,7 @@ public class TerminalResizeHandler extends AbstractTerminalHandler<TerminalResiz
     @Override
     public void handle(WebSocketSession channel, TerminalResizeRequest payload) {
         // 获取会话
-        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSession());
+        ITerminalSession terminalSession = terminalManager.getSession(channel.getId(), payload.getSessionId());
         if (terminalSession != null) {
             // 修改大小
             terminalSession.resize(payload.getCols(), payload.getRows());
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/manager/TerminalManager.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/manager/TerminalManager.java
index 37909609..f3b26df9 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/manager/TerminalManager.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/manager/TerminalManager.java
@@ -7,6 +7,7 @@ import com.orion.ops.module.asset.handler.host.terminal.session.ITerminalSession
 import com.orion.ops.module.asset.handler.host.terminal.session.TerminalSession;
 import org.springframework.stereotype.Component;
 
+import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -33,17 +34,6 @@ public class TerminalManager {
         channelSessions.put(session.getChannel().getId(), session.getSessionId(), session);
     }
 
-    /**
-     * 获取会话
-     *
-     * @param channelId channelId
-     * @param sessionId sessionId
-     * @return session
-     */
-    public ITerminalSession getSession(String channelId, String sessionId) {
-        return channelSessions.get(channelId, sessionId);
-    }
-
     /**
      * 关闭会话
      *
@@ -58,6 +48,27 @@ public class TerminalManager {
         }
     }
 
+    /**
+     * 获取会话
+     *
+     * @param channelId channelId
+     * @param sessionId sessionId
+     * @return session
+     */
+    public ITerminalSession getSession(String channelId, String sessionId) {
+        return channelSessions.get(channelId, sessionId);
+    }
+
+    /**
+     * 获取会话
+     *
+     * @param channelId channelId
+     * @return session
+     */
+    public Map<String, ITerminalSession> getSession(String channelId) {
+        return channelSessions.get(channelId);
+    }
+
     /**
      * 关闭全部会话
      *
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/TerminalBasePayload.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/TerminalBasePayload.java
index d61ae123..636c6728 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/TerminalBasePayload.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/TerminalBasePayload.java
@@ -21,7 +21,7 @@ import lombok.experimental.SuperBuilder;
 public class TerminalBasePayload {
 
     @Schema(description = "会话id")
-    private String session;
+    private String sessionId;
 
     @Schema(description = "消息类型")
     private String type;
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCheckResponse.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCheckResponse.java
index 4fbd391d..1a3f73b8 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCheckResponse.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCheckResponse.java
@@ -27,6 +27,6 @@ public class TerminalCheckResponse extends TerminalBasePayload {
     private Integer result;
 
     @Schema(description = "错误信息")
-    private String errorMessage;
+    private String msg;
 
 }
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCloseResponse.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCloseResponse.java
new file mode 100644
index 00000000..a6be8ae9
--- /dev/null
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalCloseResponse.java
@@ -0,0 +1,29 @@
+package com.orion.ops.module.asset.handler.host.terminal.model.response;
+
+import com.orion.ops.module.asset.handler.host.terminal.model.TerminalBasePayload;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+
+/**
+ * 主机连接关闭响应 实体对象
+ *
+ * @author Jiahang Li
+ * @version 1.0.0
+ * @since 2023/12/29 16:20
+ */
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = true)
+@Schema(name = "TerminalCloseResponse", description = "主机连接关闭响应 实体对象")
+public class TerminalCloseResponse extends TerminalBasePayload {
+
+    @Schema(description = "关闭信息")
+    private String msg;
+
+}
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalConnectResponse.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalConnectResponse.java
index db20cd11..5df58576 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalConnectResponse.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/model/response/TerminalConnectResponse.java
@@ -27,6 +27,6 @@ public class TerminalConnectResponse extends TerminalBasePayload {
     private Integer result;
 
     @Schema(description = "错误信息")
-    private String errorMessage;
+    private String msg;
 
 }
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/ITerminalSession.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/ITerminalSession.java
index acb914a4..a216f9e1 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/ITerminalSession.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/ITerminalSession.java
@@ -41,4 +41,9 @@ public interface ITerminalSession extends SafeCloseable {
      */
     void write(byte[] b);
 
+    /**
+     * 活跃回话
+     */
+    void keepAlive();
+
 }
diff --git a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/TerminalSession.java b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/TerminalSession.java
index 36449dca..ba64e634 100644
--- a/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/TerminalSession.java
+++ b/orion-ops-module-asset/orion-ops-module-asset-service/src/main/java/com/orion/ops/module/asset/handler/host/terminal/session/TerminalSession.java
@@ -2,14 +2,15 @@ package com.orion.ops.module.asset.handler.host.terminal.session;
 
 import com.orion.lang.utils.io.Streams;
 import com.orion.net.host.SessionStore;
-import com.orion.net.host.ssh.TerminalType;
 import com.orion.net.host.ssh.shell.ShellExecutor;
 import com.orion.ops.framework.common.constant.Const;
 import com.orion.ops.framework.websocket.core.utils.WebSockets;
 import com.orion.ops.module.asset.define.AssetThreadPools;
 import com.orion.ops.module.asset.enums.HostConnectStatusEnum;
+import com.orion.ops.module.asset.handler.host.terminal.constant.TerminalMessage;
 import com.orion.ops.module.asset.handler.host.terminal.enums.OutputTypeEnum;
 import com.orion.ops.module.asset.handler.host.terminal.model.TerminalConfig;
+import com.orion.ops.module.asset.handler.host.terminal.model.response.TerminalCloseResponse;
 import com.orion.ops.module.asset.handler.host.terminal.model.response.TerminalOutputResponse;
 import com.orion.ops.module.asset.service.HostConnectLogService;
 import com.orion.spring.SpringHolder;
@@ -64,9 +65,9 @@ public class TerminalSession implements ITerminalSession {
         config.setRows(rows);
         // 打开 shell
         this.executor = sessionStore.getShellExecutor();
-        executor.terminalType(TerminalType.XTERM_256_COLOR);
         executor.size(cols, rows);
         executor.streamHandler(this::streamHandler);
+        executor.callback(this::eofCallback);
         executor.connect();
         // 开始监听输出
         AssetThreadPools.TERMINAL_SCHEDULER.execute(executor);
@@ -97,8 +98,19 @@ public class TerminalSession implements ITerminalSession {
         executor.write(b);
     }
 
+    @Override
+    public void keepAlive() {
+        try {
+            // 发送个信号 保证 socket 不自动关闭
+            executor.sendSignal(Const.EMPTY);
+        } catch (Exception e) {
+            log.error("terminal keep-alive error {}", sessionId, e);
+        }
+    }
+
     @Override
     public void close() {
+        log.info("terminal close {}", sessionId);
         if (close) {
             return;
         }
@@ -128,8 +140,8 @@ public class TerminalSession implements ITerminalSession {
                 String body = lastLine = new String(bs, 0, read, config.getCharset());
                 // 响应
                 TerminalOutputResponse resp = TerminalOutputResponse.builder()
-                        .session(sessionId)
                         .type(OutputTypeEnum.OUTPUT.getType())
+                        .sessionId(sessionId)
                         .body(body)
                         .build();
                 WebSockets.sendText(channel, OutputTypeEnum.OUTPUT.format(resp));
@@ -137,10 +149,22 @@ public class TerminalSession implements ITerminalSession {
         } catch (IOException ex) {
             log.error("terminal 读取流失败", ex);
         }
-        // eof
-        if (close) {
-            log.info("terminal eof回调 {}", sessionId);
-        }
+    }
+
+    /**
+     * eof 回调
+     */
+    private void eofCallback() {
+        log.info("terminal eof回调 {}, forClose: {}", sessionId, this.close);
+        // 发送关闭信息
+        TerminalCloseResponse resp = TerminalCloseResponse.builder()
+                .type(OutputTypeEnum.CLOSE.getType())
+                .sessionId(this.sessionId)
+                .msg(TerminalMessage.CLOSED_CONNECTION)
+                .build();
+        WebSockets.sendText(channel, OutputTypeEnum.CLOSE.format(resp));
+        // 需要调用关闭 - 可能是 logout 需要手动触发
+        this.close();
     }
 
 }
diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/handler/preference/strategy/TerminalPreferenceStrategy.java b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/handler/preference/strategy/TerminalPreferenceStrategy.java
index ba35b79b..916c2c0b 100644
--- a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/handler/preference/strategy/TerminalPreferenceStrategy.java
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/handler/preference/strategy/TerminalPreferenceStrategy.java
@@ -21,7 +21,7 @@ public class TerminalPreferenceStrategy implements IPreferenceStrategy<TerminalP
                 .newConnectionType("group")
                 .displaySetting(TerminalPreferenceModel.DisplaySettingModel.builder()
                         .fontFamily("_")
-                        .fontSize(15)
+                        .fontSize(12)
                         .lineHeight(1.00)
                         .fontWeight("normal")
                         .fontWeightBold("bold")
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
index bcd3fb0e..784ca288 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-channel.ts
@@ -2,6 +2,7 @@ import type {
   InputPayload,
   ITerminalChannel,
   ITerminalOutputProcessor,
+  ITerminalSessionManager,
   OutputPayload,
   Protocol,
 } from '../types/terminal.type';
@@ -9,6 +10,7 @@ import { OutputProtocol } from '../types/terminal.protocol';
 import { getHostTerminalAccessToken } from '@/api/asset/host-terminal';
 import { Message } from '@arco-design/web-vue';
 import { sleep } from '@/utils';
+import TerminalOutputProcessor from './terminal-output-processor';
 
 export const wsBase = import.meta.env.VITE_WS_BASE_URL;
 
@@ -17,10 +19,10 @@ export default class TerminalChannel implements ITerminalChannel {
 
   private client?: WebSocket;
 
-  private readonly processor;
+  private readonly processor: ITerminalOutputProcessor;
 
-  constructor(processor: ITerminalOutputProcessor) {
-    this.processor = processor;
+  constructor(sessionManager: ITerminalSessionManager) {
+    this.processor = new TerminalOutputProcessor(sessionManager, this);
   }
 
   // 初始化
@@ -68,26 +70,14 @@ export default class TerminalChannel implements ITerminalChannel {
     if (!payload) {
       return;
     }
-    // 消息调度
-    switch (payload.type) {
-      case OutputProtocol.CHECK.type:
-        // 检查 回调
-        this.processor.processCheck.call(this.processor, payload);
-        break;
-      case OutputProtocol.CONNECT.type:
-        // 连接 回调
-        this.processor.processConnect.call(this.processor, payload);
-        break;
-      case OutputProtocol.PONG.type:
-        // pong 回调
-        this.processor.processPong.call(this.processor, payload);
-        break;
-      case OutputProtocol.OUTPUT.type:
-        // 输出 回调
-        this.processor.processOutput.call(this.processor, payload);
-        break;
-      default:
-        break;
+    // 获取消息处理方法
+    const processMethod = Object.values(OutputProtocol)
+      .find(protocol => protocol.type === payload.type)
+      ?.processMethod;
+    //  处理消息
+    if (processMethod) {
+      const processMethodFn = this.processor[processMethod as keyof ITerminalOutputProcessor] as Function;
+      processMethodFn && processMethodFn.call(this.processor, payload);
     }
   }
 
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts
new file mode 100644
index 00000000..e84d6252
--- /dev/null
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-output-processor.ts
@@ -0,0 +1,74 @@
+import {
+  ITerminalChannel,
+  ITerminalOutputProcessor,
+  ITerminalSessionManager,
+  OutputPayload
+} from '../types/terminal.type';
+import { InputProtocol } from '../types/terminal.protocol';
+
+// 终端输出消息体处理器实现
+export default class TerminalOutputProcessor implements ITerminalOutputProcessor {
+
+  private readonly sessionManager: ITerminalSessionManager;
+
+  private readonly channel: ITerminalChannel;
+
+  constructor(sessionManager: ITerminalSessionManager, channel: ITerminalChannel) {
+    this.sessionManager = sessionManager;
+    this.channel = channel;
+  }
+
+  // 处理检查消息
+  processCheck({ sessionId, result, msg }: OutputPayload): void {
+    const success = !!Number.parseInt(result);
+    const session = this.sessionManager.getSession(sessionId);
+    // 未成功展示错误信息
+    if (!success) {
+      session.write(`${msg || ''}`);
+      return;
+    }
+    // 发送 connect 命令
+    this.channel.send(InputProtocol.CONNECT, { sessionId, cols: session.inst.cols, rows: session.inst.rows });
+  }
+
+  // 处理连接消息
+  processConnect({ sessionId, result, msg }: OutputPayload): void {
+    const success = !!Number.parseInt(result);
+    const session = this.sessionManager.getSession(sessionId);
+    // 未成功展示错误信息
+    if (!success) {
+      session.write(`${msg || ''}`);
+      return;
+    }
+    // 设置可写
+    session.setCanWrite(true);
+    // 执行连接逻辑
+    session.connect();
+  }
+
+  // 处理关闭消息
+  processClose({ sessionId, msg }: OutputPayload): void {
+    const session = this.sessionManager.getSession(sessionId);
+    // 关闭 tab 则无需处理
+    if (session) {
+      // 提示消息
+      session.write(`\r\n${msg || ''}`);
+      // 设置状态
+      session.connected = false;
+      // 设置不可写
+      session.setCanWrite(false);
+    }
+  }
+
+  // 处理 pong 消息
+  processPong(payload: OutputPayload): void {
+    console.log('pong');
+  }
+
+  // 处理输出消息
+  processOutput({ sessionId, body }: OutputPayload): void {
+    const session = this.sessionManager.getSession(sessionId);
+    session && session.write(body);
+  }
+
+}
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
index d9a7180d..804bbe52 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-session-manager.ts
@@ -1,20 +1,13 @@
-import type {
-  ITerminalChannel,
-  ITerminalSession,
-  ITerminalSessionManager,
-  ITerminalOutputProcessor,
-  OutputPayload,
-  TerminalTabItem
-} from '../types/terminal.type';
+import type { ITerminalChannel, ITerminalSession, ITerminalSessionManager, TerminalTabItem } from '../types/terminal.type';
 import { sleep } from '@/utils';
 import { InputProtocol } from '../types/terminal.protocol';
-import TerminalSession from './terminal-session';
 import { useDebounceFn } from '@vueuse/core';
-import TerminalChannel from '@/views/host/terminal/handler/terminal-channel';
 import { addEventListen, removeEventListen } from '@/utils/event';
+import TerminalSession from './terminal-session';
+import TerminalChannel from './terminal-channel';
 
 // 终端会话管理器实现
-export default class TerminalSessionManager implements ITerminalSessionManager, ITerminalOutputProcessor {
+export default class TerminalSessionManager implements ITerminalSessionManager {
 
   private readonly channel: ITerminalChannel;
 
@@ -50,11 +43,33 @@ export default class TerminalSessionManager implements ITerminalSessionManager,
     this.sessions[sessionId] = session;
     // 发送会话初始化请求
     this.channel.send(InputProtocol.CHECK, {
-      session: sessionId,
-      hostId: hostId
+      sessionId,
+      hostId
     });
   }
 
+  // 获取终端会话
+  getSession(sessionId: string): ITerminalSession {
+    return this.sessions[sessionId];
+  }
+
+  // 关闭终端会话
+  closeSession(sessionId: string): void {
+    // 发送关闭消息
+    this.channel?.send(InputProtocol.CLOSE, { sessionId });
+    // 关闭 session
+    const session = this.sessions[sessionId];
+    if (session) {
+      session.close();
+    }
+    // 移除 session
+    this.sessions[sessionId] = undefined as unknown as ITerminalSession;
+    // session 全部关闭后 关闭 channel
+    if (Object.values(this.sessions).filter(Boolean).every(s => !s?.connected)) {
+      this.reset();
+    }
+  }
+
   // 初始化 channel
   private async initChannel() {
     // 检查 channel 是否已经初始化
@@ -71,28 +86,6 @@ export default class TerminalSessionManager implements ITerminalSessionManager,
     }, 15000);
   }
 
-  // 获取终端会话
-  getSession(sessionId: string): ITerminalSession {
-    return this.sessions[sessionId];
-  }
-
-  // 关闭终端会话
-  closeSession(sessionId: string): void {
-    // 发送关闭消息
-    this.channel?.send(InputProtocol.CLOSE, { session: sessionId });
-    // 关闭 session
-    const session = this.sessions[sessionId];
-    if (session) {
-      session.close();
-    }
-    // 移除 session
-    this.sessions[sessionId] = undefined as unknown as ITerminalSession;
-    // session 全部关闭后 关闭 channel
-    if (Object.values(this.sessions).filter(Boolean).every(s => !s?.connected)) {
-      this.reset();
-    }
-  }
-
   // 调度重置大小
   private dispatchResize() {
     // 对所有已连接的会话重置大小
@@ -101,45 +94,6 @@ export default class TerminalSessionManager implements ITerminalSessionManager,
       .forEach(h => h.fit());
   }
 
-  // 处理检查消息
-  processCheck({ session: sessionId, result, errorMessage }: OutputPayload): void {
-    const success = !!Number.parseInt(result);
-    const session = this.sessions[sessionId];
-    // 未成功展示错误信息
-    if (!success) {
-      session.write('' + errorMessage + '');
-      return;
-    }
-    // 发送 connect 命令
-    this.channel.send(InputProtocol.CONNECT, { session: sessionId, cols: session.inst.cols, rows: session.inst.rows });
-  }
-
-  // 处理连接消息
-  processConnect({ session: sessionId, result, errorMessage }: OutputPayload): void {
-    const success = !!Number.parseInt(result);
-    const session = this.sessions[sessionId];
-    // 未成功展示错误信息
-    if (!success) {
-      session.write('' + errorMessage + '');
-      return;
-    }
-    // 设置可写
-    session.setCanWrite(true);
-    // 执行连接逻辑
-    session.connect();
-  }
-
-  // 处理 pong 消息
-  processPong(payload: OutputPayload): void {
-    console.log('pong');
-  }
-
-  // 处理输出消息
-  processOutput({ session: sessionId, body }: OutputPayload): void {
-    const session = this.sessions[sessionId];
-    session && session.write(body);
-  }
-
   // 重置
   reset(): void {
     this.sessions = {};
diff --git a/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts b/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
index 741a2ba3..91b92b73 100644
--- a/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
+++ b/orion-ops-ui/src/views/host/terminal/handler/terminal-session.ts
@@ -73,14 +73,14 @@ export default class TerminalSession implements ITerminalSession {
       }
       // 输入
       this.channel.send(InputProtocol.INPUT, {
-        session: this.sessionId,
+        sessionId: this.sessionId,
         command: s
       });
     });
     // 注册 resize 事件
     this.inst.onResize(({ cols, rows }) => {
       this.channel.send(InputProtocol.RESIZE, {
-        session: this.sessionId,
+        sessionId: this.sessionId,
         cols,
         rows
       });
@@ -90,6 +90,11 @@ export default class TerminalSession implements ITerminalSession {
   // 设置是否可写
   setCanWrite(canWrite: boolean): void {
     this.canWrite = canWrite;
+    if (canWrite) {
+      this.inst.options.cursorBlink = useTerminalStore().preference.displaySetting.cursorBlink;
+    } else {
+      this.inst.options.cursorBlink = false;
+    }
   }
 
   // 写入数据
diff --git a/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts b/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
index f41c58ae..0696a59c 100644
--- a/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
+++ b/orion-ops-ui/src/views/host/terminal/types/terminal.protocol.ts
@@ -3,17 +3,17 @@ export const InputProtocol = {
   // 主机连接检查
   CHECK: {
     type: 'ck',
-    template: ['type', 'session', 'hostId']
+    template: ['type', 'sessionId', 'hostId']
   },
   // 连接主机
   CONNECT: {
     type: 'co',
-    template: ['type', 'session', 'cols', 'rows']
+    template: ['type', 'sessionId', 'cols', 'rows']
   },
   // 关闭连接
   CLOSE: {
     type: 'cl',
-    template: ['type', 'session']
+    template: ['type', 'sessionId']
   },
   // ping
   PING: {
@@ -23,17 +23,17 @@ export const InputProtocol = {
   // 修改大小
   RESIZE: {
     type: 'rs',
-    template: ['type', 'session', 'cols', 'rows']
+    template: ['type', 'sessionId', 'cols', 'rows']
   },
   // 执行
   EXEC: {
     type: 'e',
-    template: ['type', 'session', 'command']
+    template: ['type', 'sessionId', 'command']
   },
   // 输入
   INPUT: {
     type: 'i',
-    template: ['type', 'session', 'command']
+    template: ['type', 'sessionId', 'command']
   }
 };
 
@@ -42,21 +42,31 @@ export const OutputProtocol = {
   // 主机连接检查
   CHECK: {
     type: 'ck',
-    template: ['type', 'session', 'result', 'errorMessage']
+    template: ['type', 'sessionId', 'result', 'msg'],
+    processMethod: 'processCheck'
   },
   // 主机连接
   CONNECT: {
     type: 'co',
-    template: ['type', 'session', 'result', 'errorMessage']
+    template: ['type', 'sessionId', 'result', 'msg'],
+    processMethod: 'processConnect'
+  },
+  // 主机连接关闭
+  CLOSE: {
+    type: 'cl',
+    template: ['type', 'sessionId', 'msg'],
+    processMethod: 'processClose'
   },
   // pong
   PONG: {
     type: 'p',
-    template: ['type']
+    template: ['type'],
+    processMethod: 'processPong'
   },
   // 输出
   OUTPUT: {
     type: 'o',
-    template: ['type', 'session', 'body']
+    template: ['type', 'sessionId', 'body'],
+    processMethod: 'processOutput'
   },
 };
diff --git a/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts b/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
index 6e3948e5..c38eed35 100644
--- a/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
+++ b/orion-ops-ui/src/views/host/terminal/types/terminal.type.ts
@@ -13,12 +13,14 @@ export interface TerminalTabItem {
 export interface Protocol {
   type: string;
   template: string[];
+
+  [key: string]: unknown;
 }
 
 // 终端输入消息内容
 export interface InputPayload {
   type?: string;
-  session?: string;
+  sessionId?: string;
 
   [key: string]: unknown;
 }
@@ -26,7 +28,7 @@ export interface InputPayload {
 // 终端输出消息内容
 export interface OutputPayload {
   type: string;
-  session: string;
+  sessionId: string;
 
   [key: string]: string;
 }
@@ -78,6 +80,8 @@ export interface ITerminalOutputProcessor {
   processCheck: (payload: OutputPayload) => void;
   // 处理连接消息
   processConnect: (payload: OutputPayload) => void;
+  // 处理关闭消息
+  processClose: (payload: OutputPayload) => void;
   // 处理 pong 消息
   processPong: (payload: OutputPayload) => void;
   // 处理输出消息