docs: move PR title format to contribution guide (#12114)

* docs: move PR title format to contribution guide

* docs: fix path

* docs: fix path

* docs: update type

packages/vant/docs/markdown/contribution.en-US.md

@@ -15,7 +15,7 @@ Below are the guidelines for submitting feedback or code to Vant. Please take a
 
 ### Local development
 
-Before developing locally, please make sure that [Node.js >= 14.19.0](https://nodejs.org) is installed in your development environment.
+Before developing locally, please make sure that [Node.js >= 18](https://nodejs.org) is installed in your development environment.
 
 Follow the steps below to develop Vant components locally.
 
@@ -119,6 +119,37 @@ When submitting a Pull Request, please note:
 4. The pull request is merged into the main repository after the review is approved.
 5. Wait for Vant to release a new version, usually once a week.
 
+### Pull Request Title Format
+
+The title of the Pull Request should be in the following format:
+
+```bash
+type(ComponentName?)：commit message
+```
+
+Example：
+
+- docs: fix typo in quickstart
+- build: optimize build speed
+- fix(Button): incorrect style
+- feat(Button): add color prop
+
+Allowed Types:
+
+- fix
+- feat
+- docs
+- perf
+- test
+- types
+- style
+- build
+- chore
+- release
+- refactor
+- breaking change
+- revert:
+
 ### Synchronize the latest code
 
 Before submitting a Pull Request, please synchronize the latest code of the main repository according to the following process: