diff --git a/README.md b/README.md
index 346853f..52ea3ee 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,35 @@ ${HOME}/截图/Ni.jpg|${HOME}/dira
 ${CURRENT}/xxx.zip|D:\
 ```
 
+### 3.1 版本内容补充
+
+- `v1.5.0`：支持数据加密解密（会影响速度），并且可以设置传输时`是否`需要加密（默认加密）。
+
+```c++
+/*
+测试环境 ==>
+Microsoft Windows 10 Professional (x64) Build 19045.5608 (22H2)
+13th Gen Intel(R) Core(TM) i5-13500H 3200.0 MHz
+
+Debug模式 tinyaes 加密解密测试速度：
+=========================================
+File size: 630239232 bytes (601.043 MB)
+Effective block size: 102384 bytes
+Total encryption time: 41887336 μs (14.349 MB/s)
+Total decryption time: 41822620 μs (14.3712 MB/s)
+Data verification: PASSED
+=========================================
+Release模式 tinyaes 加密解密测试速度：
+=========================================
+File size: 630239232 bytes (601.043 MB)
+Effective block size: 102384 bytes
+Total encryption time: 8367460 μs (71.831 MB/s)
+Total decryption time: 8150036 μs (73.7473 MB/s)
+Data verification: PASSED
+=========================================
+*/
+```
+
 # 三、编译
 
 当前项目支持`cmake`构建工具。