From 84976b855aeb3dc8f606f701c59611287eabaa44 Mon Sep 17 00:00:00 2001
From: Cong <imscc@qq.com>
Date: Tue, 11 Jan 2022 17:47:12 +0800
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---
 book/contents/appendix/operators.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/book/contents/appendix/operators.md b/book/contents/appendix/operators.md
index fcde37ae..2657fbb4 100644
--- a/book/contents/appendix/operators.md
+++ b/book/contents/appendix/operators.md
@@ -10,6 +10,7 @@
 下表中，`expr`是表达式，`ident`是标识符,`type`是类型,`var`是变量，`trait`是特征,`pat`是匹配分支(pattern)。
 
 <span class="caption">表 B-1: 运算符</span>
+
 | 运算符 | 示例 | 解释 | 是否可重载 |
 |----------|---------|-------------|---------------|
 | `!` | `ident!(...)`, `ident!{...}`, `ident![...]` | 宏展开 |  |