From 7e6dc804b51a784304e8200d20ebab020331d626 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BB=A4=E7=8B=90=E4=B8=80=E5=86=B2?=
 <43949039+anonymousGiga@users.noreply.github.com>
Date: Thu, 18 May 2023 09:19:41 +0800
Subject: [PATCH] Update chapter_3_12.md

---
 src/chapter_3/chapter_3_12.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/chapter_3/chapter_3_12.md b/src/chapter_3/chapter_3_12.md
index 4fe8e6e..f5e5c20 100644
--- a/src/chapter_3/chapter_3_12.md
+++ b/src/chapter_3/chapter_3_12.md
@@ -11,8 +11,11 @@ fn main() {
 }
 ```
 运行该程序会打印如下错误：
+
  ![注释](../../assets/16.png)
+
 运行时添加```RUST_BACKTRACE=1```，可以打印完整的堆栈，上面的代码运行时加```RUST_BACKTRACE=1```的结果如下：
+
 ![注释](../../assets/17.png)
 
 ## 3.12.2 用Result处理可恢复错误