diff --git a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
index 6f563ee..60ece14 100644
--- a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
+++ b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
@@ -35,6 +35,8 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
@@ -642,17 +644,19 @@ public class FileServiceImpl implements FileService {
             input = file.getInputStream();
             // 指定目标文件路径及文件名
             String fileName = file.getOriginalFilename();
+            assert fileName != null;
+            String tempFileName = Utility.getUUID() + fileName.substring(fileName.lastIndexOf("."));
             String osName = System.getProperty("os.name");
-            String rootDir = null;
+            String rootDir;
             if (Objects.nonNull(osName) && osName.toLowerCase().startsWith("linux")) {
-                rootDir = "/mnt/team/obs";
+                rootDir = "/mnt/temp/obs";
             } else {
                 ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
                 String classPath = Objects.requireNonNull(contextClassLoader.getResource("")).getPath();
                 rootDir = classPath.substring(0, classPath.indexOf("/target/classes/"));
             }
             String filePath = rootDir + SEPARATOR + "temp_directory";
-            String absolutePath = filePath + SEPARATOR + fileName;
+            String absolutePath = filePath + SEPARATOR + tempFileName;
 
             // 创建临时文件夹
             java.io.File tempDirectory = new java.io.File(filePath);
@@ -663,17 +667,17 @@ public class FileServiceImpl implements FileService {
                 } else {
                     log.info("临时文件夹创建失败，{}", flag);
                     // 兜底
-                    absolutePath = rootDir + SEPARATOR + fileName;
+                    absolutePath = rootDir + SEPARATOR + tempFileName;
                 }
             }
             if (!tempDirectory.exists()) {
                 // 兜底
-                absolutePath = rootDir + SEPARATOR + fileName;
+                absolutePath = rootDir + SEPARATOR + tempFileName;
             }
             log.info("临时文件绝对路径:{}", absolutePath);
 
             // 创建输出流并写入数据
-            OutputStream output = new FileOutputStream(absolutePath);
+            OutputStream output = Files.newOutputStream(Paths.get(absolutePath));
             byte[] buffer = new byte[1024];
             int length;
             while ((length = input.read(buffer)) > 0) {