* 修复长时间运行会产生大对象的bug [Issue #2725](https://github.com/alibaba/easyexcel/issues/2725)

easyexcel-core/src/main/java/com/alibaba/excel/util/FileUtils.java

@@ -58,6 +58,7 @@ public class FileUtils {
         // Create a temporary directory in advance
         File tempFile = new File(tempFilePrefix);
         createDirectory(tempFile);
+        tempFile.deleteOnExit();
         // Initialize the cache directory
         File cacheFile = new File(cachePath);
         createDirectory(cacheFile);