diff --git a/SM4性能优化.md b/SM4性能优化.md
index 054a139..cc0bfde 100644
--- a/SM4性能优化.md
+++ b/SM4性能优化.md
@@ -75,4 +75,14 @@ Go语言的对称加密实现分离了加密模式和Block级别的加密，同
     BenchmarkSM4GCMSign1K-6      	  315027	      3753 ns/op	 272.85 MB/s	       0 B/op	       0 allocs/op
     BenchmarkSM4GCMOpen8K-6      	   19948	     60258 ns/op	 135.95 MB/s	       0 B/op	       0 allocs/op
 
-//TODO: GHASH ASM
\ No newline at end of file
+# GCM模式GHASH ASM优化
+
+    BenchmarkSM4GCMSeal1K-6      	  273218	      4491 ns/op	 228.00 MB/s	       0 B/op	       0 allocs/op
+    BenchmarkSM4GCMOpen1K-6      	  250770	      4516 ns/op	 226.73 MB/s	       0 B/op	       0 allocs/op
+    BenchmarkSM4GCMSign1K-6      	 3321482	       359 ns/op	2853.54 MB/s	       0 B/op	       0 allocs/op
+    BenchmarkSM4GCMSign8K-6      	 1000000	      1014 ns/op	8079.61 MB/s	       0 B/op	       0 allocs/op
+    BenchmarkSM4GCMSeal8K-6      	   35432	     33863 ns/op	 241.92 MB/s	       0 B/op	       0 allocs/op
+    BenchmarkSM4GCMOpen8K-6      	   35214	     33940 ns/op	 241.36 MB/s	       0 B/op	       0 allocs/op
+
+# CFB和OFB
+Golang没提供这两种模式的优化接口，可能这两种模式不怎么推荐使用了，况且也就CFB解密可以并行。
\ No newline at end of file