diff --git a/laws-base/laws-base-core/src/main/java/com/jero/common/util/IntekeyUtils.java b/laws-base/laws-base-core/src/main/java/com/jero/common/util/IntekeyUtils.java
index 06957b7f..04ea3607 100644
--- a/laws-base/laws-base-core/src/main/java/com/jero/common/util/IntekeyUtils.java
+++ b/laws-base/laws-base-core/src/main/java/com/jero/common/util/IntekeyUtils.java
@@ -165,7 +165,6 @@ public class IntekeyUtils {
     }
 
     private static File transferToFile(MultipartFile multipartFile) {
-//        选择用缓冲区来实现这个转换即使用java 创建的临时文件 使用 MultipartFile.transferto()方法 。
         File file = null;
         try {
             String originalFilename = multipartFile.getOriginalFilename();
@@ -173,23 +172,38 @@ public class IntekeyUtils {
             if (StrUtil.isNotBlank(originalFilename) && originalFilename.contains("%")) {
                 originalFilename = java.net.URLDecoder.decode(originalFilename, "UTF-8");
             }
+            if (StrUtil.isBlank(originalFilename)) {
+                originalFilename = StrUtil.uuid();
+            }
             log.info("originalFilename:" + originalFilename);
             int index = originalFilename.lastIndexOf(".");
-            //String[] filename = originalFilename.split("\\.");
+
+            // 设置最大前缀和后缀长度
+            int maxPrefixLength = 10;
+            int maxSuffixLength = 5;
+
+            String prefix;
+            String suffix = null;
+
             if (index != -1) {
-                file = File.createTempFile(originalFilename.substring(0, index), originalFilename.substring(index + 1));
+                prefix = originalFilename.substring(0, Math.min(index, maxPrefixLength));
+                suffix = originalFilename.substring(index, Math.min(originalFilename.length(), index + maxSuffixLength));
             } else {
-                file = File.createTempFile(originalFilename, null);
+                prefix = originalFilename.substring(0, Math.min(originalFilename.length(), maxPrefixLength));
             }
+
+            // 创建临时文件
+            file = File.createTempFile(prefix, suffix);
             file.delete();
             multipartFile.transferTo(file);
             file.deleteOnExit();
         } catch (IOException e) {
-            e.printStackTrace();
+            log.error("文件解密失败", e);
         }
         return file;
     }
 
+
     public static InputStream getInputStreamByDecryptFile(MultipartFile file) {
         if (ENABLE) {
             return decryptFile(DECRYPT_URL, DECRYPT_APP_CODE, DECRYPT_SECRET_KEY, null, file);