docs(@vant/cli): changelog v2.9.1

Co-authored-by: nemo-shen <1034131477@qq.com>

packages/vant-cli/changelog.md

@@ -1,5 +1,11 @@
 # 更新日志
 
+## v2.9.1
+
+`2021-03-26`
+
+- 修复非 8080 端口无法热更新的问题
+
 ## v2.9.0
 
 `2021-03-17`

packages/vant-cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vant/cli",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "description": "",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",

packages/vant-cli/src/compiler/compile-site.ts

@@ -21,7 +21,10 @@ function runDevServer(
   port: number,
   config: ReturnType<typeof getSiteDevConfig>
 ) {
-  const server = new WebpackDevServer(webpack(config), config.devServer);
+  const server = new WebpackDevServer(webpack(config), {
+    ...config.devServer,
+    port,
+  });
 
   // this is a hack to disable wds status log
   (server as any).showStatus = function () {};