Update issue templates (#256)

Author: teacher-zhou

.github/ISSUE_TEMPLATE/bug-report.md

@@ -2,7 +2,7 @@
 name: Bug Report
 about: 帮助改进和提升的缺陷
 title: "[缺陷]"
-labels: 缺陷
+labels: bug
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/component-request.md

@@ -2,7 +2,7 @@
 name: Component Request
 about: 新增或更新组件
 title: "[组件]"
-labels: 功能, 组件
+labels: feature
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/feature-request.md

@@ -2,7 +2,7 @@
 name: Feature Request
 about: 满足需求，实现价值
 title: "[功能]"
-labels: ''
+labels: feature
 assignees: ''
 
 ---