diff --git a/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/deviceManager/thread/AndroidDeviceInitThread.java b/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/deviceManager/thread/AndroidDeviceInitThread.java
index 12207e7..f0d9952 100644
--- a/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/deviceManager/thread/AndroidDeviceInitThread.java
+++ b/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/deviceManager/thread/AndroidDeviceInitThread.java
@@ -27,11 +27,11 @@ import java.util.*;
  */
 public class AndroidDeviceInitThread extends Thread {
 
-    private Logger logger = LoggerFactory.getLogger(AndroidDeviceInitThread.class);
+    private final Logger logger = LoggerFactory.getLogger(AndroidDeviceInitThread.class);
 
-    private AdbDevice adbDevice;
+    private final AdbDevice adbDevice;
 
-    private Adb adb;
+    private final Adb adb;
 
     private AdbTransport transport;
 
@@ -41,7 +41,7 @@ public class AndroidDeviceInitThread extends Thread {
 
     private boolean agentStatus = false;
 
-    private Object lock = new Object();
+    private final Object lock = new Object();
 
     private final String AGENT_START_SHELL = "export CLASSPATH=/data/local/tmp/agent.apk;app_process /system/bin net.northking.product.cctpplus.Agent";
 
@@ -81,7 +81,6 @@ public class AndroidDeviceInitThread extends Thread {
             if (agentStatus) {
                 try {
                     deviceInfo = getDeviceInfo();
-                    if (null != deviceInfo) {
                         logger.info("设备【{}】agent启动成功，注册设备到服务端，并开始监听设备的屏幕和wifi。。。。。。。。。。。。", adbDevice.getSerial());
                         //注册设备
                         AndroidDeviceManager.getInstance().registerDeviceToDeviceManager(deviceInfo);
@@ -91,7 +90,6 @@ public class AndroidDeviceInitThread extends Thread {
                         AndroidDeviceManager.getInstance().publishDeviceAgentAlready(adbDevice.getSerial());
                         //开启监听设备的变化
                         startWatchDeviceChange();
-                    }
                 } catch (IOException e) {
                     logger.warn("读取手机信息失败，请观察手机是否接上上位机", e);
                 }
@@ -514,9 +512,11 @@ public class AndroidDeviceInitThread extends Thread {
                 String line;
                 int n = 0;
                 while ((line = reader.readLine()) != null) {
-                    writer.write(line);
-                    writer.newLine();
-                    writer.flush();
+                    if (writer != null) {
+                        writer.write(line);
+                        writer.newLine();
+                        writer.flush();
+                    }
                     if ("SERVICE_APK_INSTALLED".equals(line)) {
                         logger.info("设备【{}】cctp程序安装成功。。。。。。", adbDevice.getSerial());
                         n++;
@@ -576,6 +576,26 @@ public class AndroidDeviceInitThread extends Thread {
                 logger.warn("设备【{}】的agent被G掉了。。。。。。。。", adbDevice.getSerial(), e);
                 agentStatus = false;
             } finally {
+                //通常Agent退出都为意外情况
+                if (writer!=null){
+                    adb.refreshState(adbDevice);
+                    try (AdbTransport logcatTransport = adb.shell(adbDevice, "logcat -d")) {
+                        if (logcatTransport!=null){
+                            writer.write("\nAgent退出，以下为转储logcat日志\n");
+                            BufferedReader logcatReader = new BufferedReader(new InputStreamReader(logcatTransport.getInputStream()));
+                            String logcatLine;
+                            while ((logcatLine = logcatReader.readLine()) != null) {
+                                writer.write(logcatLine);
+                                writer.newLine();
+                            }
+                            writer.write("以上为转储logcat日志\n");
+                            writer.flush();
+                        }
+
+                    } catch (Exception ignored) {
+
+                    }
+                }
                 if (null != reader) {
                     try {
                         reader.close();
diff --git a/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/driver/adb/Adb.java b/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/driver/adb/Adb.java
index 68289db..0777a27 100644
--- a/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/driver/adb/Adb.java
+++ b/cctp-atu/atu-upper-computer/src/main/java/net/northking/cctp/upperComputer/driver/adb/Adb.java
@@ -142,6 +142,30 @@ public class Adb {
         }
     }
 
+    /**
+     * 刷新设备状态<br>
+     * 设备可能会处于枚举状态外完全不可用的状态，根据方法返回值判断
+     *
+     * @param adbDevice 需要刷新的设备
+     * @return 此设备是否还可用
+     */
+    public boolean refreshState(AdbDevice adbDevice) {
+        try (AdbTransport transport = createTransport()){
+            transport.send("host-serial:" + adbDevice.getSerial() + ":get-state");
+            transport.verifyResponse();
+            String state = transport.readString();
+            adbDevice.updateStateByText(state);
+            return true;
+        } catch (IOException ioException) {
+            log.error("尝试刷新[" + adbDevice.getProduct() + "(" + adbDevice.getSerial() + ")]时发生传输接口错误", ioException);
+            return false;
+        } catch (TransportException transportException) {
+            log.error("尝试刷新[" + adbDevice.getProduct() + "(" + adbDevice.getSerial() + ")]时发生传输协议错误", transportException);
+            return false;
+        }
+    }
+
+
 
     /**
      * 在设备上运行shell或开启shell会话<br>