diff --git a/src/utils/index.js b/src/utils/index.js
index 23817cf2..084bc6dd 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -93,7 +93,7 @@ export function deepClone(source, map = new WeakMap()) {
   return target;
 }
 
-export function formatSize(size, fixed = 0) {
+export function formatSize(size, fixed = 2) {
   if (isNaN(parseFloat(size))) return ''
   let kbSize = size / 1024
   if (kbSize <= 1024) {