diff --git a/src/main/java/cn/chjyj/szwh/utils/SzFileUtils.java b/src/main/java/cn/chjyj/szwh/utils/SzFileUtils.java
index f99f702..6584a12 100644
--- a/src/main/java/cn/chjyj/szwh/utils/SzFileUtils.java
+++ b/src/main/java/cn/chjyj/szwh/utils/SzFileUtils.java
@@ -44,7 +44,7 @@ public class SzFileUtils {
      * @return
      */
     public static String fileSizeFormat(Long tfilesize){
-        String out="0b";
+        String out="0B";
         //获取到浮点型数据
         float fileSize = tfilesize.floatValue();
         //TB