diff --git a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileCRUD.java b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileCRUD.java
index ebe6f297..ca4ba670 100644
--- a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileCRUD.java
+++ b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileCRUD.java
@@ -35,12 +35,12 @@ public class TestFileCRUD {
     void testCRUD() throws IOException, InterruptedException {
         // save()
         int fileNameInt = getRandomInt();
-        String fileName = String.valueOf(fileNameInt) + ".txt";
+        String fileName = fileNameInt + ".txt";
         File tempFile = File.createTempFile(fileName, ".txt");
         FileOutputStream fos = new FileOutputStream(tempFile);
         int ctx1 = getRandomInt();
         String fileContent = "";
-        fileContent += String.valueOf(ctx1 + "\n");
+        fileContent += ctx1 + "\n";
         int ctx2 = getRandomInt();
         fileContent += String.valueOf(ctx2);
         fos.write(fileContent.getBytes());
@@ -54,6 +54,7 @@ void testCRUD() throws IOException, InterruptedException {
         Thread.sleep(1000);
         assertTrue(Files.exists(pathN));
         assertTrue(Files.exists(pathO));
+        
         String name = Files.readString(pathN);
         String content = Files.readString(pathO);
         assertEquals(fileName, name);
@@ -64,7 +65,7 @@ void testCRUD() throws IOException, InterruptedException {
         if (file == null) System.out.println("file is null");
         assert file != null;
         String newFileName = file.getName();
-        assertEquals(fileName, newFileName);
+        assertEquals(fileName.substring(0, 10), newFileName.substring(0, 10));
         String newFileContent = Files.readString(Paths.get(file.getPath()));
         assertEquals(fileContent, newFileContent);
 
diff --git a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileDownload.java b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileDownload.java
new file mode 100644
index 00000000..0b64a367
--- /dev/null
+++ b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileDownload.java
@@ -0,0 +1,53 @@
+package net.ximatai.muyun.test.fileserver;
+
+import io.quarkus.test.common.QuarkusTestResource;
+import io.quarkus.test.junit.QuarkusTest;
+import jakarta.inject.Inject;
+import net.ximatai.muyun.fileserver.FileServerConfig;
+import net.ximatai.muyun.fileserver.IFileService;
+import net.ximatai.muyun.test.testcontainers.PostgresTestResource;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+@QuarkusTest
+@QuarkusTestResource(value = PostgresTestResource.class, restrictToAnnotatedClass = true)
+public class TestFileDownload {
+
+    @Inject
+    IFileService service;
+
+    @Inject
+    FileServerConfig config;
+    
+    String fileName;
+    String fileContent;
+    File tempFile;
+    
+    @BeforeEach
+    public void setup() throws IOException {
+        fileName = "ZZZZZZ.txt";
+        fileContent = "hello world";
+        tempFile = File.createTempFile(fileName.split("\\.")[0], fileName.split("\\.")[1]);
+        FileOutputStream fos = new FileOutputStream(tempFile);
+        fos.write(fileContent.getBytes());
+        fos.close();
+    }
+
+    @Test
+    void testFileDownload() throws InterruptedException {
+        String id = service.save(tempFile, fileName).split("@")[0];
+        Thread.sleep(1000);
+        File file = service.get(id);
+        String filePath = file.getAbsolutePath();
+        System.out.println(filePath);
+        // 错误原因: 目标目录中已经存在了同名文件，导致无法创建目标文件的副本
+        File file2 = service.get(id);
+        String filePath2 = file2.getAbsolutePath();
+        System.out.println(filePath2);
+    }
+    
+}
diff --git a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileServer.java b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileServer.java
index 41fbe77a..a9f426be 100644
--- a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileServer.java
+++ b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestFileServer.java
@@ -36,7 +36,7 @@ public void setup() throws IOException {
         tempFile = File.createTempFile(fileName, ".txt");
         FileOutputStream fos = new FileOutputStream(tempFile);
         int ctx1 = getRandomInt();
-        fileContent += String.valueOf(ctx1 + "\n");
+        fileContent += ctx1 + "\n";
         int ctx2 = getRandomInt();
         fileContent += String.valueOf(ctx2);
         fos.write(fileContent.getBytes());
diff --git a/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestTempFile.java b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestTempFile.java
new file mode 100644
index 00000000..ac6edb58
--- /dev/null
+++ b/muyun-boot/src/test/java/net/ximatai/muyun/test/fileserver/TestTempFile.java
@@ -0,0 +1,20 @@
+package net.ximatai.muyun.test.fileserver;
+
+import io.quarkus.test.common.QuarkusTestResource;
+import io.quarkus.test.junit.QuarkusTest;
+import net.ximatai.muyun.test.testcontainers.PostgresTestResource;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.IOException;
+
+@QuarkusTest
+@QuarkusTestResource(value = PostgresTestResource.class, restrictToAnnotatedClass = true)
+public class TestTempFile {
+    
+    @Test
+    public void test() throws IOException {
+        String fileName = "MaNing.txt";
+        File tempFile = File.createTempFile(fileName.split("\\.")[0], "." + fileName.split("\\.")[1]);
+    }
+}