fix: server restart config load issue

src/node/plugin.ts

@@ -382,7 +382,12 @@ export async function createVitePressPlugin(
         )
 
         try {
-          await resolveUserConfig(siteConfig.root, 'serve', 'development')
+          await resolveUserConfig(
+            siteConfig.root,
+            'serve',
+            'development',
+            configPath ? path.relative(process.cwd(), configPath) : configPath
+          )
         } catch (err: any) {
           siteConfig.logger.error(err)
           return

src/node/server.ts

@@ -13,7 +13,6 @@ export async function createServer(
     'development',
     serverOptions.configFile
   )
-  delete serverOptions.configFile
 
   if (serverOptions.base) {
     config.site.base = serverOptions.base