diff --git a/src/main/java/com/pt/entity/Download.java b/src/main/java/com/pt/entity/Download.java
index 1ae9354..38b955a 100644
--- a/src/main/java/com/pt/entity/Download.java
+++ b/src/main/java/com/pt/entity/Download.java
@@ -14,14 +14,14 @@
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private int downloadId;
 
-    private int resourceId;
+    private String resourceId;
     private String downloader;
     private LocalDateTime downloadTime;
 
     public Download() {
     }
 
-    public Download(int downloadId, int resourceId, String downloader, LocalDateTime downloadTime) {
+    public Download(int downloadId, String resourceId, String downloader, LocalDateTime downloadTime) {
         this.downloadId = downloadId;
         this.resourceId = resourceId;
         this.downloader = downloader;
@@ -34,10 +34,10 @@
     public void setDownloadId(int downloadId) {
         this.downloadId = downloadId;
     }
-    public int getResourceId() {
+    public String getResourceId() {
         return resourceId;
     }
-    public void setResourceId(int resourceId) {
+    public void setResourceId(String resourceId) {
         this.resourceId = resourceId;
     }
     public String getDownloader() {
diff --git a/src/main/java/com/pt/entity/Resource.java b/src/main/java/com/pt/entity/Resource.java
index 2d8567b..9b7da39 100644
--- a/src/main/java/com/pt/entity/Resource.java
+++ b/src/main/java/com/pt/entity/Resource.java
@@ -21,6 +21,7 @@
     private String author;
 
     private String description;
+    private byte[] torrentData;
 
     public Resource() {
     }
@@ -69,6 +70,13 @@
     public void setDescription(String description) {
         this.description = description;
     }
+    public byte[] getTorrentData() {
+        return torrentData;
+    }
+
+    public void setTorrentData(byte[] torrentData) {
+        this.torrentData = torrentData;
+    }
 
     /*
         * 重写toString方法，将资源信息以JSON字符串形式返回
diff --git a/src/main/java/com/pt/entity/TorrentMeta.java b/src/main/java/com/pt/entity/TorrentMeta.java
new file mode 100644
index 0000000..3823181
--- /dev/null
+++ b/src/main/java/com/pt/entity/TorrentMeta.java
@@ -0,0 +1,60 @@
+package com.pt.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+import java.time.LocalDateTime;
+
+@Entity
+public class TorrentMeta {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String filename;
+    private String infoHash;
+    private Long size;
+    private LocalDateTime uploadTime;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getFilename() {
+        return filename;
+    }
+
+    public void setFilename(String filename) {
+        this.filename = filename;
+    }
+
+    public String getInfoHash() {
+        return infoHash;
+    }
+
+    public void setInfoHash(String infoHash) {
+        this.infoHash = infoHash;
+    }
+
+    public Long getSize() {
+        return size;
+    }
+
+    public void setSize(Long size) {
+        this.size = size;
+    }
+
+    public LocalDateTime getUploadTime() {
+        return uploadTime;
+    }
+
+    public void setUploadTime(LocalDateTime uploadTime) {
+        this.uploadTime = uploadTime;
+    }
+}
\ No newline at end of file