diff --git a/.idea/misc.xml b/.idea/misc.xml
index 82dbec8..c3f3b0a 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">
diff --git a/src/main/java/lion/Domain/GalleryTask.java b/src/main/java/lion/Domain/GalleryTask.java
index 3c59457..09b7904 100644
--- a/src/main/java/lion/Domain/GalleryTask.java
+++ b/src/main/java/lion/Domain/GalleryTask.java
@@ -15,6 +15,8 @@ public class GalleryTask {
 
     public static byte COMPRESS_COMPLETE = 4;
 
+    public static byte COMPRESSING = 5;
+
 
     public static byte DOWNLOAD_ALL = 3;
     public static byte DOWNLOAD_PREVIEW = 2;
@@ -47,4 +49,9 @@ public class GalleryTask {
     public boolean is_compress_complete(){
         return status == COMPRESS_COMPLETE;
     }
+
+    @JsonIgnore
+    public boolean is_compressing(){
+        return status == COMPRESSING;
+    }
 }
diff --git a/src/main/java/lion/Service/DownloadCheckService.java b/src/main/java/lion/Service/DownloadCheckService.java
index ac125c0..8b618e1 100644
--- a/src/main/java/lion/Service/DownloadCheckService.java
+++ b/src/main/java/lion/Service/DownloadCheckService.java
@@ -55,6 +55,12 @@ public class DownloadCheckService {
         //扫描进度
         Iterator<File> fileIterator = files.iterator();
         for(GalleryTask galleryTask: queue){
+            //跳过已经下载完成或者压缩完成的任务
+            if(galleryTask.is_download_complete()
+                    || galleryTask.is_compress_complete()
+                    || galleryTask.is_compressing())
+                continue;
+
             while(fileIterator.hasNext()){
                 File file = fileIterator.next();
                 if(!file.getName().contains(String.valueOf(galleryTask.getGid())))
@@ -78,8 +84,10 @@ public class DownloadCheckService {
 
         //转格式队列
         for(GalleryTask galleryTask: queue)
-            if (galleryTask.is_download_complete())
+            if (galleryTask.is_download_complete()) {
+                galleryTask.setStatus(GalleryTask.COMPRESSING);
                 convert_queue.add(galleryTask);
+            }
 
         return true;
     }
@@ -102,7 +110,7 @@ public class DownloadCheckService {
                 galleryTask.setStatus(ErrorCode.COMPRESS_ERROR);
                 continue;
             }
-            //长度相同比较字典序，否则比较长度
+            //仅比较字典序
             images = Arrays.stream(images).sorted(Comparator.naturalOrder()).toArray(File[]::new);
 
             //创建文件夹
@@ -135,6 +143,7 @@ public class DownloadCheckService {
                     operation = new IMOperation();
                     operation.addImage(images[i].getAbsolutePath());
                     operation.format("webp");
+                    operation.resize(2000, 2000);
                     operation.addImage(storagePath + galleryTask.getName() + "/" + images[i].getName().replace(".png", ".webp").replace(".jpg", ".webp"));
                     try {
                         convertCmd.run(operation);
@@ -144,12 +153,13 @@ public class DownloadCheckService {
                         break;
                     }
                 }
+
             if ((galleryTask.getType() & GalleryTask.DOWNLOAD_SOURCE) != 0) {
                 ZipUtil.zip(galleryTask.getPath(), storagePath + galleryTask.getName() + "/" + galleryTask.getName() + ".zip");
                 log.info(galleryTask.getName()  + "压缩完成" );
             }
             FileUtil.del(galleryTask.getPath());
-            galleryTask.setStatus(GalleryTask.DOWNLOAD_COMPLETE);
+            galleryTask.setStatus(GalleryTask.COMPRESS_COMPLETE);
         }
     }
 
diff --git a/src/main/java/lion/storageNode.java b/src/main/java/lion/storageNode.java
index 44ecc09..50817ae 100644
--- a/src/main/java/lion/storageNode.java
+++ b/src/main/java/lion/storageNode.java
@@ -20,7 +20,6 @@ import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.util.ArrayList;
-import java.util.ListIterator;
 import java.util.concurrent.*;
 import java.util.concurrent.locks.ReentrantLock;
 
@@ -84,7 +83,7 @@ public class storageNode {
             }
             lock.unlock();
             //检查
-            if (!downloadCheckService.downloadCheck()) {
+            if (!downloadCheckService.downloadCheck() && queue.isEmpty()) {
                 counter++;
                 if(server != null && server.isActive() && counter > 10) {
                     server.writeAndFlush(new MaintainMessage());
@@ -93,19 +92,15 @@ public class storageNode {
                 return;
             }
             //发送
+            //上锁后再发送，避免出现发送完之后再下载完成
+            lock.lock();
             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();
-            }
-            lock.unlock();
             log.info("任务状态发送完成");
+
+            queue.removeIf(GalleryTask::is_compress_complete);
+            lock.unlock();
         }catch (Exception e){
             e.printStackTrace();
             try (OutputStream outputStream = new FileOutputStream("/root/gallery/storageNode/err.txt")){