diff --git a/README.md b/README.md
index cae1eed..d3b8005 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,5 @@
 
 > Reference: https://github.com/google/go-tpm/tree/main/examples/tpm-sign
 
+> Create TPM Instance:
+> https://help.aliyun.com/zh/ecs/user-guide/overview-of-trusted-computing-capabilities
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