diff --git a/src/node/config.ts b/src/node/config.ts
index e565e6ec..cfdcfe71 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -30,7 +30,7 @@ export interface SiteConfig<ThemeConfig = any> {
   themeDir: string
   outDir: string
   tempDir: string
-  aliases: AliasOptions
+  alias: AliasOptions
   pages: string[]
   markdown?: MarkdownOptions
 }
@@ -59,7 +59,7 @@ export async function resolveConfig(
     outDir: resolve(root, 'dist'),
     tempDir: path.resolve(APP_PATH, 'temp'),
     markdown: userConfig.markdown,
-    aliases: resolveAliases(root, themeDir, userConfig)
+    alias: resolveAliases(root, themeDir, userConfig)
   }
 
   return config
diff --git a/src/node/plugin.ts b/src/node/plugin.ts
index 29449449..3dcd70f8 100644
--- a/src/node/plugin.ts
+++ b/src/node/plugin.ts
@@ -24,7 +24,7 @@ const isPageChunk = (
 
 export function createVitePressPlugin(
   root: string,
-  { configPath, aliases, markdown, themeDir, site }: SiteConfig,
+  { configPath, alias, markdown, site }: SiteConfig,
   ssr = false,
   pageToHashMap?: Record<string, string>
 ): Plugin[] {
@@ -42,7 +42,7 @@ export function createVitePressPlugin(
 
     config() {
       return {
-        alias: aliases,
+        alias,
         define: {
           __CARBON__: !!site.themeConfig.carbonAds?.carbon,
           __BSA__: !!site.themeConfig.carbonAds?.custom,