diff --git a/Armv8.2-SM3和SM4.md b/Armv8.2-SM3和SM4.md
index e580953..44571b1 100644
--- a/Armv8.2-SM3和SM4.md
+++ b/Armv8.2-SM3和SM4.md
@@ -1,3 +1,5 @@
+找不到相关CPU环境，mark先。
+
 ## Reference
 1. [Summary of A64 cryptographic instructions](https://developer.arm.com/documentation/100076/0100/a64-instruction-set-reference/a64-cryptographic-algorithms/a64-cryptographic-instructions?lang=en)
 1. [Arm A64 Instruction Set Architecture](https://developer.arm.com/documentation/100076/0100/a64-instruction-set-reference/a64-cryptographic-algorithms/a64-cryptographic-instructions?lang=en)