diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/IDroDroneBigPictureService.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/IDroDroneBigPictureService.java
index d688de7a..100e0001 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/IDroDroneBigPictureService.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/IDroDroneBigPictureService.java
@@ -140,10 +140,9 @@ public interface IDroDroneBigPictureService extends IService<DroDroneBigPicture>
     /**
      * 解压zip文件
      *
-     * @param file    zip文件
-     * @param zipName zip文件名
+     * @param zipFile zip文件
      * @param tempDir 临时目录
      * @return 解压后的文件的对象存储Ids
      */
-    CompletableFuture<List<Long>> unzipAsync(MultipartFile file, String zipName, File tempDir);
+    CompletableFuture<List<Long>> unzipAsync(File zipFile, File tempDir);
 }
diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/impl/DroDroneBigPictureServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/impl/DroDroneBigPictureServiceImpl.java
index 15f2eb7e..a735a66a 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/impl/DroDroneBigPictureServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/drone/service/impl/DroDroneBigPictureServiceImpl.java
@@ -630,8 +630,15 @@ public class DroDroneBigPictureServiceImpl extends ServiceImpl<DroDroneBigPictur
                 throw new RuntimeException("创建临时目录失败");
             }
         }
+        // 主线程保存 ZIP 文件（必须提前保存！）
+        File zipFile = new File(tempDir, zipName);
+        try {
+            file.transferTo(zipFile);
+        } catch (IOException e) {
+            throw new ServiceException("ZIP 文件保存失败");
+        }
         // 异步解压
-        self.unzipAsync(file, zipName, tempDir)
+        self.unzipAsync(zipFile, tempDir)
             .thenAccept(result -> {
                 String fileStr = result.stream()
                     .map(String::valueOf)
@@ -659,22 +666,17 @@ public class DroDroneBigPictureServiceImpl extends ServiceImpl<DroDroneBigPictur
     /**
      * 解压zip文件
      *
-     * @param file    zip文件
-     * @param zipName zip文件名
+     * @param zipFile zip文件
      * @param tempDir 临时目录
      * @return 解压后的文件的对象存储Ids
      */
     @Async("unzipExecutor")
     @Override
-    public CompletableFuture<List<Long>> unzipAsync(MultipartFile file, String zipName, File tempDir) {
-        // 保存 ZIP
-        File zipFile = new File(tempDir, zipName);
+    public CompletableFuture<List<Long>> unzipAsync(File zipFile, File tempDir) {
         File unzipDir;
         try {
-            file.transferTo(zipFile);
-            // 解压操作非常耗时
             unzipDir = ZipUtil.unzip(zipFile);
-        } catch (IOException e) {
+        } catch (Exception e) {
             // 记录错误日志
             log.error("解压失败：{}", zipFile.getAbsolutePath(), e);
             // 抛出异常到上层 thenCompose，便于处理