diff --git a/README.md b/README.md
index 27ccdfb..a67fcc8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # SPTAG: A library for fast approximate nearest neighbor search
 ## 资料信息
-1. 文件大小：压缩后 187.6GB
+1. 文件大小：压缩后 187.64GB
 2. 源仓库地址: https://github.com/microsoft/SPTAG/
 3. 文件路径：
 ```