change: update issue template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,6 @@
 name: 问题反馈
 description: File a bug report
-title: "[错误报告] 请在此处简单描述你的问题"
+title: "[错误报告]请在此处简单描述你的问题"
 labels: ["bug"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/discussion.yml

@@ -1,6 +1,6 @@
 name: 项目讨论
 description: discussion
-title: "[Discussion]: "
+title: "[Discussion] "
 labels: ["discussion"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,6 @@
 name: 功能改进
 description: Feature Request
-title: "[Feature Request]: "
+title: "[Feature Request]"
 labels: ["feature request"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/rfc.yml

@@ -2,7 +2,7 @@
 
 name: 功能提案
 description: Request for Comments
-title: "[RFC]: "
+title: "[RFC]"
 labels: ["RFC"]
 body:
   - type: markdown