minor fixes

.github /workflows/PublishMySite.yml

@@ -1,38 +0,0 @@
-name: PublishMySite
-
-# Controls when the action will run.
-on:
-  # Triggers the workflow on push or pull request events but only for the main branch
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
-
-      # Build markdown files to a static site.
-      - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
-        with:
-          mdbook-version: "latest"
-      - run: mdbook build . --dest-dir ./book # --dest-dir is relative to <dir>
-
-      # Publish the static site to gh-pages branch.
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN}}
-          publish_dir: ./book
-          publish_branch: gh-pages

src/chapter_3/chapter_3_16_1.md

@@ -4,7 +4,7 @@
 
 ![注释](.././assets/18.png)
 
-智能指针是一类数据结构，其表现类似于指针，但是相对于指针来说，还拥有额外的元数据。最明显的是它们拥有一个引用计数。引用计数记录了智能指针总共有多少个所有者，并且当没有任何所有者时清除数据。普通引用和智能指针的另一个**非常重要的区别**就是：**引用只是只借用数据的指针，而智能指针则是拥有它们指向的数据**。
+智能指针是一类数据结构，其表现类似于指针，但是相对于指针来说，还拥有额外的元数据。普通引用和智能指针的另一个**非常重要的区别**就是：**引用只是只借用数据的指针，而智能指针则是拥有它们指向的数据**。
 
 **智能指针是一个胖指针，但是胖指针不一定是智能指针**。前面章节介绍过的```String```类型就是一个智能指针，而它对应的切片引用```&str```则只仅仅是一个胖指针，区别就在于```String```类型拥有对数据的所有权，而```&str```没有。两者在内存中的示意图如下：