diff --git a/src/main/java/com/dreamworks/boditech/MyApplication.java b/src/main/java/com/dreamworks/boditech/MyApplication.java
index 76c96b8..c60e176 100644
--- a/src/main/java/com/dreamworks/boditech/MyApplication.java
+++ b/src/main/java/com/dreamworks/boditech/MyApplication.java
@@ -52,7 +52,7 @@ public class MyApplication implements ApplicationRunner, ApplicationContextAware
 
 //        analysisScanMotor.reset();
 
-        this.analysis();
+//        this.analysis();
     }
 
     private void analysis() {
diff --git a/src/main/java/com/dreamworks/boditech/controller/TestController.java b/src/main/java/com/dreamworks/boditech/controller/TestController.java
index 10b9687..a58d711 100644
--- a/src/main/java/com/dreamworks/boditech/controller/TestController.java
+++ b/src/main/java/com/dreamworks/boditech/controller/TestController.java
@@ -5,6 +5,7 @@ import com.dreamworks.boditech.entity.parameter.ParamBatchDeleteById;
 import com.dreamworks.boditech.entity.parameter.ParamEmergencyTaskSave;
 import com.dreamworks.boditech.entity.parameter.ParamTestSearch;
 import com.dreamworks.boditech.entity.parameter.ParamTestTubeRackTaskSave;
+import com.dreamworks.boditech.service.DeviceService;
 import com.dreamworks.boditech.service.ProjectService;
 import com.dreamworks.boditech.service.TestService;
 import com.dreamworks.boditech.utils.MyCommon;
@@ -20,6 +21,9 @@ import java.util.Map;
 @Controller
 public class TestController extends BaseController {
     @Resource
+    private DeviceService deviceService;
+
+    @Resource
     private TestService testService;
     @Resource
     private ProjectService projectService;
@@ -122,6 +126,18 @@ public class TestController extends BaseController {
     @ResponseBody
     @PostMapping("/api/test/emergency-task-append")
     public ApiResponse testEmergencyAppend( @RequestBody List<ParamEmergencyTaskSave> param) {
+        if ( !this.deviceService.isExecutorRunning() ) {
+            return this.error("设备未就绪，无法添加任务");
+        }
+
+        var hasEnabledSlot = false;
+        for ( ParamEmergencyTaskSave item : param ) {
+            hasEnabledSlot = hasEnabledSlot || item.enable;
+        }
+        if ( !hasEnabledSlot ) {
+            return this.error("未找到可用的急诊位信息，无法添加任务");
+        }
+
         for ( ParamEmergencyTaskSave item : param ) {
             this.testService.emergencyTaskSave(item);
         }
diff --git a/src/main/java/com/dreamworks/boditech/driver/connection/ComWebsocketClient.java b/src/main/java/com/dreamworks/boditech/driver/connection/ComWebsocketClient.java
index ae9ffae..92682fd 100644
--- a/src/main/java/com/dreamworks/boditech/driver/connection/ComWebsocketClient.java
+++ b/src/main/java/com/dreamworks/boditech/driver/connection/ComWebsocketClient.java
@@ -5,6 +5,8 @@ import org.java_websocket.client.WebSocketClient;
 import org.java_websocket.handshake.ServerHandshake;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
+import java.net.ConnectException;
 import java.net.URI;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
@@ -154,13 +156,32 @@ public class ComWebsocketClient extends WebSocketClient {
 
     @Override
     public void onClose(int i, String s, boolean b) {
-        LOG.info("close");
-        throw new RuntimeException("device connection closed");
+        LOG.info("device connection closed : ({}) {}", i, s);
+        this.tryReconnect();
     }
 
     @Override
     public void onError(Exception e) {
+        if ( e instanceof ConnectException ) {
+            LOG.warn("device connection error : {}", e.getMessage());
+            this.tryReconnect();
+            return ;
+        }
+
         LOG.error("error", e);
         throw new RuntimeException(e);
     }
+
+    // 尝试重连
+    private void tryReconnect() {
+        var thread = new Thread(() -> {
+            try {
+                Thread.sleep(5000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+            this.reconnect();
+        });
+        thread.start();
+    }
 }