diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/oss/controller/SplitFileController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/oss/controller/SplitFileController.java
index 239b81381..43b79bf06 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/oss/controller/SplitFileController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/oss/controller/SplitFileController.java
@@ -42,6 +42,9 @@ public class SplitFileController {
 			throw new JeroBootException("文件不存在");
 		}
 		int splitIndex = fileUrl.lastIndexOf(File.separator);
+		if(splitIndex == -1){
+			splitIndex = fileUrl.lastIndexOf("/");
+		}
 		String fileName = fileUrl.substring(splitIndex);
 		response.setHeader("Content-Disposition",
 				"attachment; filename=\""+fileName+"\"");