diff --git a/msg-notices/msg-notices-client/src/main/java/cn/axzo/msg/center/notices/client/util/XxlAppender.java b/msg-notices/msg-notices-client/src/main/java/cn/axzo/msg/center/notices/client/util/XxlAppender.java
index bd4dffec..6bdc890a 100644
--- a/msg-notices/msg-notices-client/src/main/java/cn/axzo/msg/center/notices/client/util/XxlAppender.java
+++ b/msg-notices/msg-notices-client/src/main/java/cn/axzo/msg/center/notices/client/util/XxlAppender.java
@@ -6,16 +6,19 @@ import ch.qos.logback.core.encoder.Encoder;
 import ch.qos.logback.core.encoder.LayoutWrappingEncoder;
 import com.xxl.job.core.log.XxlJobFileAppender;
 
+import java.util.concurrent.locks.ReentrantLock;
+
 /**
  * @author yanglin
  */
 public class XxlAppender<E> extends UnsynchronizedAppenderBase<E> {
 
-    protected Encoder<E> encoder;
+    private final ReentrantLock lock = new ReentrantLock(false);
+    private Encoder<E> encoder;
 
     @SuppressWarnings("unused")
     public void setLayout(Layout<E> layout) {
-        LayoutWrappingEncoder<E> lwe = new LayoutWrappingEncoder<E>();
+        LayoutWrappingEncoder<E> lwe = new LayoutWrappingEncoder<>();
         lwe.setLayout(layout);
         lwe.setContext(context);
         this.encoder = lwe;
@@ -28,7 +31,16 @@ public class XxlAppender<E> extends UnsynchronizedAppenderBase<E> {
         if (encoder == null) return;
         byte[] bytes = encoder.encode(event);
         String message = new String(bytes);
-        XxlJobFileAppender.appendLog(logFileName, message);
+        lock.lock();
+        try {
+            XxlJobFileAppender.appendLog(logFileName, message);
+        } catch (Exception e) {
+            //noinspection CallToPrintStackTrace
+            e.printStackTrace();
+        }
+        finally {
+            lock.unlock();
+        }
     }
 
 }
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