diff --git a/.changeset/fluffy-owls-provide.md b/.changeset/fluffy-owls-provide.md
new file mode 100644
index 000000000000..e343e8454c5c
--- /dev/null
+++ b/.changeset/fluffy-owls-provide.md
@@ -0,0 +1,5 @@
+---
+'@modern-js/app-tools': patch
+---
+
+feat: support dev.watchFiles reload-server option
diff --git a/packages/document/main-doc/docs/en/configure/app/dev/watch-files.mdx b/packages/document/main-doc/docs/en/configure/app/dev/watch-files.mdx
index 89fd2bd314b5..3510024d6807 100644
--- a/packages/document/main-doc/docs/en/configure/app/dev/watch-files.mdx
+++ b/packages/document/main-doc/docs/en/configure/app/dev/watch-files.mdx
@@ -8,12 +8,19 @@ configName: dev.watchFiles
 - **Type:**
 
 ```ts
-type WatchFiles = {
-  paths: string | string[];
-  type?: 'reload-page' | 'reload-server';
-  // watch options for chokidar
-  options?: WatchOptions;
-};
+type WatchFiles =
+  | {
+      paths: string | string[];
+      type?: 'reload-page';
+      // watch options for chokidar
+      options?: WatchOptions;
+    }
+  | {
+      paths: string | string[];
+      type?: 'reload-server';
+    };
+
+type WatchFilesConfig = WatchFiles | WatchFiles[];
 ```
 
 - **Default:** `undefined`
diff --git a/packages/document/main-doc/docs/zh/configure/app/dev/watch-files.mdx b/packages/document/main-doc/docs/zh/configure/app/dev/watch-files.mdx
index 050dcbc96b3d..1e92e01787d8 100644
--- a/packages/document/main-doc/docs/zh/configure/app/dev/watch-files.mdx
+++ b/packages/document/main-doc/docs/zh/configure/app/dev/watch-files.mdx
@@ -8,12 +8,19 @@ configName: dev.watchFiles
 - **类型：**
 
 ```ts
-type WatchFiles = {
-  paths: string | string[];
-  type?: 'reload-page' | 'reload-server';
-  //  chokidar 选项
-  options?: WatchOptions;
-};
+type WatchFiles =
+  | {
+      paths: string | string[];
+      type?: 'reload-page';
+      //  chokidar 选项
+      options?: WatchOptions;
+    }
+  | {
+      paths: string | string[];
+      type?: 'reload-server';
+    };
+
+type WatchFilesConfig = WatchFiles | WatchFiles[];
 ```
 
 - **默认值：** `undefined`
diff --git a/packages/solutions/app-tools/src/index.ts b/packages/solutions/app-tools/src/index.ts
index 939ce8913a57..136c41db69f0 100644
--- a/packages/solutions/app-tools/src/index.ts
+++ b/packages/solutions/app-tools/src/index.ts
@@ -1,6 +1,7 @@
 import path from 'path';
 import type { CliPlugin } from '@modern-js/core';
 import { getLocaleLanguage } from '@modern-js/plugin-i18n/language-detector';
+import { castArray } from '@modern-js/uni-builder';
 import {
   cleanRequireCache,
   deprecatedCommands,
@@ -152,7 +153,19 @@ export const appTools = (
       async watchFiles() {
         const appContext = api.useAppContext();
         const config = api.useResolvedConfigContext();
-        return await generateWatchFiles(appContext, config.source.configDir);
+        const files = await generateWatchFiles(
+          appContext,
+          config.source.configDir,
+        );
+
+        const watchFiles = castArray(config.dev.watchFiles);
+        watchFiles.forEach(({ type, paths }) => {
+          if (type === 'reload-server') {
+            files.push(...(Array.isArray(paths) ? paths : [paths]));
+          }
+        });
+
+        return files;
       },
 
       // 这里会被 core/initWatcher 监听的文件变动触发，如果是 src 目录下的文件变动，则不做 restart