diff --git a/app.db b/app.db
index 2f5ff1e..dbc823e 100644
Binary files a/app.db and b/app.db differ
diff --git a/src/main/java/com/iflytop/digester/DigestionTaskThread.java b/src/main/java/com/iflytop/digester/DigestionTaskThread.java
index 007773a..9521d24 100644
--- a/src/main/java/com/iflytop/digester/DigestionTaskThread.java
+++ b/src/main/java/com/iflytop/digester/DigestionTaskThread.java
@@ -5,6 +5,7 @@ import com.iflytop.digester.model.MdbDigestionSolution;
 import com.iflytop.digester.model.MdbDigestionTaskLog;
 import com.iflytop.digester.underframework.dao.model.UfMdbNotification;
 import com.iflytop.digester.underframework.dao.model.UfMdbOption;
+import com.iflytop.digester.underframework.dao.model.UfMdbRuntimeVariable;
 import com.iflytop.digester.underframework.dao.record.UfActiveRecord;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -589,5 +590,6 @@ public class DigestionTaskThread extends Thread {
         this.taskModel.message = message;
         this.taskModel.save();
         MdbDigestionTaskLog.log(this.taskModel.id, status, message);
+        UfMdbRuntimeVariable.setString("device.message", String.format("[批次:%s] %s", this.taskModel.batchNo, message));
     }
 }
diff --git a/src/main/java/com/iflytop/digester/deviceinstance/LiquidAdditionInstance.java b/src/main/java/com/iflytop/digester/deviceinstance/LiquidAdditionInstance.java
index 8e6167b..430dc1a 100644
--- a/src/main/java/com/iflytop/digester/deviceinstance/LiquidAdditionInstance.java
+++ b/src/main/java/com/iflytop/digester/deviceinstance/LiquidAdditionInstance.java
@@ -36,16 +36,16 @@ public class LiquidAdditionInstance {
 
     // lock liquid plate
     public void lockLiquidPlate( String lockName ) {
-        MdbRuntimeLog.log("LiquidPlateLock", "加液盘锁定等待 : %s", lockName);
+        MdbRuntimeLog.warn("LiquidPlateLock", "加液盘锁定等待 : %s", lockName);
         this.liquidPlateLocks.add(lockName);
         if ( 1 == this.liquidPlateLocks.size() ) {
-            MdbRuntimeLog.log("LiquidPlateLock", "加液盘锁定成功 : %s", lockName);
+            MdbRuntimeLog.warn("LiquidPlateLock", "加液盘锁定成功 : %s", lockName);
             return ;
         }
         synchronized ( lockName ) {
             try {
                 lockName.wait();
-                MdbRuntimeLog.log("LiquidPlateLock", "加液盘锁定成功 : %s", lockName);
+                MdbRuntimeLog.warn("LiquidPlateLock", "加液盘锁定成功 : %s", lockName);
             } catch (InterruptedException e) {
                 throw new RuntimeException(e);
             }
@@ -54,7 +54,7 @@ public class LiquidAdditionInstance {
 
     // unlock liquid plate
     public void unlockLiquidPlate( String lockName ) {
-        MdbRuntimeLog.log("LiquidPlateLock", "加液盘锁定解除 : %s", lockName);
+        MdbRuntimeLog.warn("LiquidPlateLock", "加液盘锁定解除 : %s", lockName);
         String lock = null;
         for ( String lockItem : this.liquidPlateLocks ) {
             if ( lockItem.equals(lockName) ) {
@@ -65,7 +65,7 @@ public class LiquidAdditionInstance {
         if (this.liquidPlateLocks.isEmpty()) {
             return ;
         }
-        Object nextLock = this.liquidPlateLocks.remove(0);
+        Object nextLock = this.liquidPlateLocks.get(0);
         synchronized ( nextLock ) {
             nextLock.notify();
         }
diff --git a/src/main/java/com/iflytop/digester/model/MdbRuntimeLog.java b/src/main/java/com/iflytop/digester/model/MdbRuntimeLog.java
index 75e5257..89dbbb8 100644
--- a/src/main/java/com/iflytop/digester/model/MdbRuntimeLog.java
+++ b/src/main/java/com/iflytop/digester/model/MdbRuntimeLog.java
@@ -25,13 +25,18 @@ public class MdbRuntimeLog extends UfActiveRecord {
     }
 
     // log
-    public static void log(String type, String content, Object ... args ) {
+    public static void log(String type, String content, Object ... args) {
         var log = new MdbRuntimeLog();
         log.type = type;
         log.content = String.format(content, args);
         log.timestamp = (int)(System.currentTimeMillis() / 1000);
         log.time = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(new java.util.Date());
         log.save();
-        LOG.info("[{}] {}", type, log.content);
+    }
+
+    // warn
+    public static void warn( String type, String content, Object ... args ) {
+        LOG.warn("[{}] {}", type, String.format(content, args));
+        MdbRuntimeLog.log(type, content, args);
     }
 }