diff --git a/src/main/java/lion/CustomUtil.java b/src/main/java/lion/CustomUtil.java
index 6621e72..a10b556 100644
--- a/src/main/java/lion/CustomUtil.java
+++ b/src/main/java/lion/CustomUtil.java
@@ -1,5 +1,7 @@
 package lion;
 
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpResponse;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 
@@ -12,4 +14,15 @@ public class CustomUtil {
     public static AtomicInteger counter = new AtomicInteger();
 
     public static ObjectMapper objectMapper = new ObjectMapper();
+
+    public static void notifyMe(String message) {
+        String url = "https://personal.lionwebsite.xyz/message2me?AuthCode=alone&message=" + message;
+        HttpRequest request = HttpRequest.post(url);
+        request.header("User-Agent", "Mozilla/5.0");
+        try(HttpResponse response = request.execute()) {
+            if(response.getStatus() != 200) {
+                System.out.println("通知失败, status code:" + response.getStatus() + ", message:" + message);
+            }
+        }
+    }
 }
diff --git a/src/main/java/lion/MultiThreadedHTTPServer.java b/src/main/java/lion/MultiThreadedHTTPServer.java
index c8ca647..a7d33eb 100644
--- a/src/main/java/lion/MultiThreadedHTTPServer.java
+++ b/src/main/java/lion/MultiThreadedHTTPServer.java
@@ -127,6 +127,7 @@ public class MultiThreadedHTTPServer {
                     responseWriter.println("Accept-Ranges: bytes");
                     responseWriter.println("Content-Length: " + (endByte - startByte + 1));
                     responseWriter.println("Content-Range: bytes " + startByte + "-" + endByte + "/" + fileLength);
+                    responseWriter.println("Content-Disposition: attachment; filename=\"" + fileName + "\"");
                     responseWriter.println();
 
                     // Send the file content
diff --git a/src/main/java/lion/Service/DownloadCheckService.java b/src/main/java/lion/Service/DownloadCheckService.java
index 14a4920..03e9c75 100644
--- a/src/main/java/lion/Service/DownloadCheckService.java
+++ b/src/main/java/lion/Service/DownloadCheckService.java
@@ -4,6 +4,7 @@ import io.netty.channel.Channel;
 import io.netty.channel.DefaultEventLoop;
 import io.netty.channel.EventLoop;
 import io.netty.util.concurrent.Promise;
+import lion.CustomUtil;
 import lion.Domain.GalleryTask;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.ZipUtil;
@@ -21,7 +22,7 @@ import java.util.concurrent.locks.ReentrantLock;
 @Slf4j
 @Data
 public class DownloadCheckService {
-    ArrayList<GalleryTask> queue;
+    Map<Integer, GalleryTask> queue;
 
     String downloadPath = "/root/gallery/hentai/download/";
 
@@ -37,7 +38,7 @@ public class DownloadCheckService {
 
     EventLoop eventLoop;
 
-    public DownloadCheckService(ArrayList<GalleryTask> queue, HashMap<Integer, Promise<AbstractMessage>> promises){
+    public DownloadCheckService(Map<Integer, GalleryTask> queue, HashMap<Integer, Promise<AbstractMessage>> promises){
         this.queue = queue;
         this.promises = promises;
         eventLoop = new DefaultEventLoop();
@@ -49,7 +50,7 @@ public class DownloadCheckService {
     public boolean downloadCheck(){
         if(queue.isEmpty())
             return false;
-        log.info("下载检查:" + Arrays.toString(queue.toArray()));
+        log.info("下载检查:{}", Arrays.toString(queue.values().toArray()));
 
         File downloadDirectory = new File(downloadPath);
         File[] fileArray = downloadDirectory.listFiles();
@@ -62,7 +63,7 @@ public class DownloadCheckService {
         boolean result = false;
         //扫描进度
         Iterator<File> fileIterator = files.iterator();
-        for(GalleryTask galleryTask: queue){
+        for(GalleryTask galleryTask: queue.values()){
             //跳过已经下载完成或者压缩完成的任务
             if(galleryTask.is_compress_complete() || galleryTask.is_compressing()) {
                 result = true;
@@ -96,7 +97,7 @@ public class DownloadCheckService {
         }
 
         //压缩队列
-        for(GalleryTask galleryTask: queue)
+        for(GalleryTask galleryTask: queue.values())
             if (galleryTask.is_download_complete()) {
                 galleryTask.setStatus(GalleryTask.COMPRESSING);
                 compress_queue.add(galleryTask);
@@ -139,4 +140,35 @@ public class DownloadCheckService {
                 }
             }
     }
+
+    /**
+     * 检查改任务是否为已完成任务，如已完成则返回true，若未完成则加入队列
+     * @return true if compress complete, false otherwise
+     */
+    public boolean addToQueue(GalleryTask galleryTask){
+        //是否含有名字，进行中任务一般有名字，没有名字则肯定为初始任务，存在名字至少在下载路径出现过
+        if(galleryTask.getName() == null || !galleryTask.getName().isEmpty()){
+            queue.putIfAbsent(galleryTask.getGid(), galleryTask);
+            return false;
+        }
+
+        //查询hah下载路径中，是否存在该任务下载路径，存在则为下载中或下载完成任务，加入队列
+        if(new File(downloadPath + galleryTask.getGid()).isDirectory()){
+            queue.putIfAbsent(galleryTask.getGid(), galleryTask);
+            return false;
+        }
+
+
+        //查询存放路径中是否含有该任务的压缩包，存在则为下载完成任务
+        if(new File(storagePath + galleryTask.getName() + "/" + galleryTask.getName() + ".zip").exists()){
+            galleryTask.setStatus(GalleryTask.COMPRESS_COMPLETE);
+            CustomUtil.notifyMe(String.format("任务:%s在添加时已下载完成，更新任务状态", galleryTask.getName()));
+            return true;
+        }
+
+
+        //异常情况，发送通知
+        CustomUtil.notifyMe(String.format("任务:%s存在名字，但是下载路径为空且不存在压缩包", galleryTask.getName() ));
+        return false;
+    }
 }
diff --git a/src/main/java/lion/storageNode.java b/src/main/java/lion/storageNode.java
index 77f0efd..f9fe35c 100644
--- a/src/main/java/lion/storageNode.java
+++ b/src/main/java/lion/storageNode.java
@@ -17,8 +17,8 @@ import lombok.extern.slf4j.Slf4j;
 
 import java.net.InetSocketAddress;
 import java.net.Socket;
-import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.concurrent.*;
 import java.util.concurrent.locks.ReentrantLock;
 
@@ -33,9 +33,9 @@ public class storageNode {
 
     DownloadCheckService downloadCheckService;
 
-    ArrayList<GalleryTask> queue;
+    Map<Integer, GalleryTask> queue;
 
-    ArrayList<GalleryTask> tempQueue;
+    Map<Integer, GalleryTask> tempQueue;
 
     ScheduledExecutorService checkThreadPool;
 
@@ -48,8 +48,8 @@ public class storageNode {
     public static String storagePath = "/root/gallery/gallery/";
 
     public storageNode(){
-        queue = new ArrayList<>(0);
-        tempQueue = new ArrayList<>(0);
+        queue = new HashMap<>();
+        tempQueue = new HashMap<>();
         lock = new ReentrantLock();
         counter = 0;
         promises = new HashMap<>();
@@ -79,7 +79,7 @@ public class storageNode {
         try {
             lock.lock();
             if(!tempQueue.isEmpty()){
-                queue.addAll(tempQueue);
+                queue.putAll(tempQueue);
                 tempQueue.clear();
             }
             lock.unlock();
@@ -88,7 +88,7 @@ public class storageNode {
                 boolean isSkip = true;
                 //返回false之后，还要额外检查是否有压缩完成的任务
                 if(!queue.isEmpty())
-                    for (GalleryTask galleryTask : queue)
+                    for (GalleryTask galleryTask : queue.values())
                         if (galleryTask.is_compress_complete()) {
                             isSkip = false;
                             break;
@@ -106,11 +106,13 @@ public class storageNode {
             //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));
+            downloadStatusMessage.setGalleryTasks(queue.values().toArray(GalleryTask[]::new));
             server.writeAndFlush(downloadStatusMessage);
+
+            queue.entrySet().removeIf(entry -> entry.getValue().is_compress_complete());
             log.info("任务状态发送完成");
 
-            queue.removeIf(GalleryTask::is_compress_complete);
+
             lock.unlock();
         }catch (Exception e){
             log.error("发送任务状态时发生异常:{}", e.getMessage());
@@ -118,9 +120,9 @@ public class storageNode {
     }
 
     class MyChannelInboundHandlerAdapter extends ChannelInboundHandlerAdapter{
-        ArrayList<GalleryTask> queue;
+        Map<Integer, GalleryTask> queue;
 
-        public MyChannelInboundHandlerAdapter(ArrayList<GalleryTask> queue) {
+        public MyChannelInboundHandlerAdapter(Map<Integer, GalleryTask> queue) {
             this.queue = queue;
         }
 
@@ -144,7 +146,12 @@ public class storageNode {
                 case AbstractMessage.DOWNLOAD_POST_MESSAGE -> {
                     DownloadPostMessage dpm = (DownloadPostMessage) abstractMessage;
                     lock.lock();
-                    queue.add(dpm.getGalleryTask());
+                    //添加到队列方法返回真说明该任务已下载完成，直接发送下载进度
+                    if(downloadCheckService.addToQueue(dpm.getGalleryTask())){
+                        DownloadStatusMessage downloadStatusMessage = new DownloadStatusMessage();
+                        downloadStatusMessage.setGalleryTasks(new GalleryTask[]{dpm.getGalleryTask()});
+                        server.writeAndFlush(downloadStatusMessage);
+                    }
                     log.info(String.valueOf(queue));
                     lock.unlock();
                     ctx.writeAndFlush(new ResponseMessage(dpm.messageId, (byte) 0));