diff --git a/packages/taro-vite-runner/src/utils/compiler/base.ts b/packages/taro-vite-runner/src/utils/compiler/base.ts
index 2263de882936..42e22a951341 100644
--- a/packages/taro-vite-runner/src/utils/compiler/base.ts
+++ b/packages/taro-vite-runner/src/utils/compiler/base.ts
@@ -47,7 +47,7 @@ export class CompilerContext <T extends ViteH5BuildConfig | ViteHarmonyBuildConf
 
   protected process () {
     this.processConfig()
-    this.sourceDir = path.join(this.cwd, this.taroConfig.sourceRoot as string)
+    this.sourceDir = path.resolve(this.cwd, this.taroConfig.sourceRoot as string)
     this.frameworkExts = this.taroConfig.frameworkExts || SCRIPT_EXT
   }