diff --git a/IX. ‘How-to’ guides/71. Security.md b/IX. ‘How-to’ guides/71. Security.md
index e69de29..b581f5b 100644
--- a/IX. ‘How-to’ guides/71. Security.md	
+++ b/IX. ‘How-to’ guides/71. Security.md	
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+### 71. 安全