diff --git a/server/README.MD b/server/README.MD
index ae7931e..bc3ebfd 100644
--- a/server/README.MD
+++ b/server/README.MD
@@ -114,9 +114,9 @@
             host:          ''
     # 各类可以解密加密
     crypto:
-        # aes128 秘钥
+        # aes-256-cbc 秘钥
         key:               ''
-        # aes128 偏移常量
+        # aes-256-cbc 偏移常量
         iv:                ''
     # 发信配置（主要接收生产环境异常报警）
     smtp: