diff --git a/.changeset/angry-hairs-bathe.md b/.changeset/angry-hairs-bathe.md
new file mode 100644
index 000000000000..05b220b86c80
--- /dev/null
+++ b/.changeset/angry-hairs-bathe.md
@@ -0,0 +1,7 @@
+---
+'@modern-js/plugin-garfish': patch
+---
+
+fix: garfish plugin use custom bootstrap not work
+
+fix: 修复 garfish 插件使用 custom bootstrap 不生效问题
diff --git a/packages/runtime/plugin-garfish/src/cli/code.ts b/packages/runtime/plugin-garfish/src/cli/code.ts
index 59762ab7e66b..5ad2129760cf 100644
--- a/packages/runtime/plugin-garfish/src/cli/code.ts
+++ b/packages/runtime/plugin-garfish/src/cli/code.ts
@@ -25,7 +25,8 @@ export const generateCode = async (
     appContext;
   await Promise.all(
     entrypoints.map(async entrypoint => {
-      const { entryName, isAutoMount, entry, customEntry } = entrypoint;
+      const { entryName, isAutoMount, entry, customEntry, customBootstrap } =
+        entrypoint;
       const appendCode = await appendEntryCode({ entrypoint });
 
       if (isAutoMount) {
@@ -37,6 +38,7 @@ export const generateCode = async (
           entry,
           entryName,
           customEntry,
+          customBootstrap,
           mountId,
           appendCode,
         });
diff --git a/packages/runtime/plugin-garfish/src/cli/template.ts b/packages/runtime/plugin-garfish/src/cli/template.ts
index 5025bb588be8..89ee236914a0 100644
--- a/packages/runtime/plugin-garfish/src/cli/template.ts
+++ b/packages/runtime/plugin-garfish/src/cli/template.ts
@@ -1,9 +1,12 @@
+import { formatImportPath } from '@modern-js/utils';
+
 const genRenderCode = ({
   srcDirectory,
   internalSrcAlias,
   metaName,
   entry,
   customEntry,
+  customBootstrap,
   mountId,
 }: {
   srcDirectory: string;
@@ -11,6 +14,7 @@ const genRenderCode = ({
   metaName: string;
   entry: string;
   customEntry?: boolean;
+  customBootstrap?: string | false;
   mountId?: string;
 }) =>
   customEntry
@@ -18,9 +22,18 @@ const genRenderCode = ({
 export * from '${entry.replace(srcDirectory, internalSrcAlias)}'`
     : `import { garfishRender, createProvider } from '@${metaName}/plugin-garfish/runtime';
 
-garfishRender('${mountId || 'root'}' )
+${
+  customBootstrap
+    ? `import customBootstrap from '${formatImportPath(
+        customBootstrap.replace(srcDirectory, internalSrcAlias),
+      )}';`
+    : 'let customBootstrap;'
+}
+garfishRender('${mountId || 'root'}', customBootstrap)
 
-export const provider = createProvider();
+export const provider = createProvider(undefined, ${
+        customBootstrap ? 'customBootstrap' : undefined
+      });
 `;
 export const index = ({
   srcDirectory,
@@ -29,6 +42,7 @@ export const index = ({
   entry,
   entryName,
   customEntry,
+  customBootstrap,
   mountId,
   appendCode = [],
 }: {
@@ -38,6 +52,7 @@ export const index = ({
   entry: string;
   entryName: string;
   customEntry?: boolean;
+  customBootstrap?: string | false;
   mountId?: string;
   appendCode?: string[];
 }) =>
@@ -48,6 +63,7 @@ export const index = ({
     metaName,
     entry,
     customEntry,
+    customBootstrap,
     mountId,
   })}
   ${appendCode.join('\n')}
diff --git a/packages/runtime/plugin-garfish/src/runtime/provider.tsx b/packages/runtime/plugin-garfish/src/runtime/provider.tsx
index e0158282b939..fce4d1f980c8 100644
--- a/packages/runtime/plugin-garfish/src/runtime/provider.tsx
+++ b/packages/runtime/plugin-garfish/src/runtime/provider.tsx
@@ -3,7 +3,13 @@ import type { Root } from 'react-dom/client';
 import { createPortal, unmountComponentAtNode } from 'react-dom';
 import { garfishRender } from './render';
 
-export function createProvider(id?: string) {
+export function createProvider(
+  id?: string,
+  customBootstrap?: (
+    App: React.ComponentType,
+    render: () => void,
+  ) => HTMLElement | null,
+) {
   return ({ basename, dom }: { basename: string; dom: HTMLElement }) => {
     let root: HTMLElement | Root | null = null;
     return {
@@ -18,7 +24,7 @@ export function createProvider(id?: string) {
         props: any;
         appName?: string;
       }) {
-        root = await garfishRender(id || 'root', {
+        root = await garfishRender(id || 'root', customBootstrap, {
           basename,
           dom,
           props,
diff --git a/packages/runtime/plugin-garfish/src/runtime/render.tsx b/packages/runtime/plugin-garfish/src/runtime/render.tsx
index d672deeb0032..b89185bb9950 100644
--- a/packages/runtime/plugin-garfish/src/runtime/render.tsx
+++ b/packages/runtime/plugin-garfish/src/runtime/render.tsx
@@ -38,13 +38,25 @@ function canContinueRender({
   }
 }
 
-export async function garfishRender(mountId?: string, _params?: any) {
+export async function garfishRender(
+  mountId?: string,
+  customBootstrap?: (
+    App: React.ComponentType,
+    render: () => void,
+  ) => HTMLElement | null,
+  _params?: any,
+) {
   const { basename, props, dom, appName } =
     // eslint-disable-next-line prefer-rest-params
-    (typeof arguments[1] === 'object' && arguments[1]) || {};
+    (typeof arguments[2] === 'object' && arguments[2]) || {};
   if (canContinueRender({ dom, appName })) {
     const ModernRoot = createRoot(null, { router: { basename } });
-    return await render(
+    if (customBootstrap) {
+      return customBootstrap(ModernRoot, () =>
+        render(<ModernRoot basename={basename} {...props} />, dom || mountId),
+      );
+    }
+    return render(
       <ModernRoot basename={basename} {...props} />,
       dom || mountId,
     );
diff --git a/tests/integration/garfish/app-dashboard/src/index.tsx b/tests/integration/garfish/app-dashboard/src/index.tsx
new file mode 100644
index 000000000000..afeac4e2287f
--- /dev/null
+++ b/tests/integration/garfish/app-dashboard/src/index.tsx
@@ -0,0 +1,12 @@
+const sleep = () =>
+  new Promise(resolve => {
+    console.log('custom bootstrap');
+    setTimeout(resolve, 300);
+  });
+
+export default (_App: React.ComponentType, bootstrap: () => void) => {
+  // do something before bootstrap...
+  sleep().then(() => {
+    bootstrap();
+  });
+};