Update jwt-intro.md

Snailclimb · Snailclimb · commit 1fdea09adf05 · 2022-06-07T14:06:23.000+08:00
diff --git a/docs/system-design/security/jwt-intro.md b/docs/system-design/security/jwt-intro.md
@@ -1,5 +1,5 @@
 ---
-title:JWT 基本概念详解
+title: JWT 基本概念详解
 category: 系统设计
 tag:
   - 安全
