diff --git a/src/main/java/lion/MultiThreadedHTTPServer.java b/src/main/java/lion/MultiThreadedHTTPServer.java
index 782faba..59fec3e 100644
--- a/src/main/java/lion/MultiThreadedHTTPServer.java
+++ b/src/main/java/lion/MultiThreadedHTTPServer.java
@@ -56,7 +56,8 @@ public class MultiThreadedHTTPServer {
                         if(!path.contains(".")){
                             file = new File("/root/abc");
                         }else {
-                            String name = path.split("\\.")[0];
+                            String name = path.substring(0, path.lastIndexOf('.'));
+                            System.out.println(name);
                             filePath += (name + "/" + name + ".zip");
                             file = new File(filePath);
                         }
diff --git a/src/main/java/lion/Service/DownloadCheckService.java b/src/main/java/lion/Service/DownloadCheckService.java
index 4e5cf39..9d2b3fa 100644
--- a/src/main/java/lion/Service/DownloadCheckService.java
+++ b/src/main/java/lion/Service/DownloadCheckService.java
@@ -28,7 +28,7 @@ public class DownloadCheckService {
     }
 
     public boolean downloadCheck(){
-        if(queue.size() == 0)
+        if(queue.isEmpty())
             return false;
         log.info("下载检查:" + Arrays.toString(queue.toArray()));
 
diff --git a/src/main/java/lion/storageNode.java b/src/main/java/lion/storageNode.java
index 25d1466..2f13128 100644
--- a/src/main/java/lion/storageNode.java
+++ b/src/main/java/lion/storageNode.java
@@ -15,6 +15,9 @@ import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import io.netty.handler.logging.LoggingHandler;
 import lombok.extern.log4j.Log4j;
 
+
+import java.io.FileOutputStream;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.ListIterator;
 import java.util.concurrent.*;
@@ -63,23 +66,34 @@ public class storageNode {
     }
     
     public void mainThread(){
-        //检查
-        if(!downloadCheckService.downloadCheck())
-            return;
-        //发送
-        DownloadStatusMessage downloadStatusMessage = new DownloadStatusMessage();
-        downloadStatusMessage.setGalleryTasks(queue.toArray(GalleryTask[]::new));
-        server.writeAndFlush(downloadStatusMessage);
+        try {
+            //检查
+            if (!downloadCheckService.downloadCheck())
+                return;
+            //发送
+            DownloadStatusMessage downloadStatusMessage = new DownloadStatusMessage();
+            downloadStatusMessage.setGalleryTasks(queue.toArray(GalleryTask[]::new));
+            server.writeAndFlush(downloadStatusMessage);
 
-        ListIterator<GalleryTask> listIterator = queue.listIterator();
-        lock.lock();
-        while (listIterator.hasNext()){
-            GalleryTask galleryTask = listIterator.next();
-            if(galleryTask.is_download_complete())
-                listIterator.remove();
+            ListIterator<GalleryTask> listIterator = queue.listIterator();
+            lock.lock();
+            while (listIterator.hasNext()) {
+                GalleryTask galleryTask = listIterator.next();
+                if (galleryTask.is_download_complete())
+                    listIterator.remove();
+            }
+            lock.unlock();
+            log.info("任务状态发送完成");
+        }catch (Exception e){
+            e.printStackTrace();
+            try (OutputStream outputStream = new FileOutputStream("/root/gallery/storageNode/err.txt")){
+                outputStream.write(e.getMessage().getBytes());
+                channelFuture.channel().close().sync();
+                System.exit(-1);
+            }catch (Exception ex){
+                ex.printStackTrace();
+            }
         }
-        lock.unlock();
-        log.info("任务状态发送完成");
     }
 
     class MyChannelInboundHandlerAdapter extends ChannelInboundHandlerAdapter{
@@ -101,6 +115,7 @@ public class storageNode {
             }else if(msg instanceof DownloadPostMessage dpm){
                 lock.lock();
                 queue.add(dpm.getGalleryTask());
+                System.out.println(queue);
                 lock.unlock();
                 ctx.writeAndFlush(new ResponseMessage(dpm.messageId, (byte) 0));
 
@@ -132,6 +147,7 @@ public class storageNode {
                 FileUtil.del(storagePath + ugm.getGalleryTask().getName());
                 lock.lock();
                 queue.add(ugm.getGalleryTask());
+                System.out.println(queue);
                 lock.unlock();
                 ctx.writeAndFlush(new ResponseMessage(ugm.messageId, (byte) 0));
 
@@ -147,7 +163,7 @@ public class storageNode {
         }
 
         @Override
-        public void channelUnregistered(ChannelHandlerContext ctx) throws Exception {
+        public void channelUnregistered(ChannelHandlerContext ctx) {
             if(ctx.channel().equals(server)) {
                 log.info("server 下线");
                 server = null;