docs: update pull request template for clarity and completeness

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,14 +1,28 @@
 ## Description
 
-> Please include a summary of the change and which issue is fixed.
->
-> 请介绍你的修改，并说明它修复了哪个 issue.
+<!--
+Please include a summary of the changes below;
+Fill in the issue number that this PR addresses (if applicable);
+Mention the person who will review this PR (if you know who it is);
+Replace (summary), (issue), and (reviewer) with the appropriate information (No parentheses).
 
-Fix # (issue)
+请在下方填写更改的摘要；
+填写此 PR 解决的问题编号（如果适用）；
+提及将审查此 PR 的人（如果您知道是谁）；
+替换 (summary)、(issue) 和 (reviewer) 为适当的信息（不带括号）。
+-->
+
+Summary: (summary)
+
+Fix: #(issue)
+
+Reviewer: @(reviewer)
 
 ## Checklist:
 
 - [ ] I have performed a self-review of my own code | 我已自行检查了自己的代码
-- [ ] I have commented my code, particularly in hard-to-understand areas | 我已对代码进行了注释，特别是在难以理解的地方
+- [ ] I have commented my code in hard-to-understand areas | 我已在难以理解的地方对代码进行了注释
 - [ ] I have added tests that prove my fix is effective or that my feature works | 我已添加测试以证明我的修复有效或功能正常
-- [ ] I have added necessary documentation (if appropriate) | 我已添加必要的文档（如果有必要）
+- [ ] I have added necessary documentation (if applicable) | 我已添加必要的文档（如果适用）
+- [ ] I have linked the issue to this PR (if applicable) | 我已将 issue 链接到此 PR（如果适用）
+- [ ] I have mentioned the person who will review this PR | 我已提及将审查此 PR 的人