diff --git a/extensions/vscode-vue-language-features/schemas/vue-tsconfig.schema.json b/extensions/vscode-vue-language-features/schemas/vue-tsconfig.schema.json
index de9d83169..02e383623 100644
--- a/extensions/vscode-vue-language-features/schemas/vue-tsconfig.schema.json
+++ b/extensions/vscode-vue-language-features/schemas/vue-tsconfig.schema.json
@@ -16,6 +16,10 @@
 					],
 					"markdownDescription": "https://github.com/johnsoncodehk/volar/pull/351"
 				},
+				"experimentalShamefullySupportOptionsApi": {
+					"type": "boolean",
+					"markdownDescription": "Support intellisense compoonents that export options without `Vue.extend` and `defineComponent`. This is essentially a hack and not recommended to use it."
+				},
 				"experimentalTemplateCompilerOptions": {
 					"type": "object",
 					"markdownDescription": "https://github.com/johnsoncodehk/volar/issues/576"
diff --git a/packages/vue-code-gen/src/generators/script.ts b/packages/vue-code-gen/src/generators/script.ts
index 56c2e828c..2e4a2b15c 100644
--- a/packages/vue-code-gen/src/generators/script.ts
+++ b/packages/vue-code-gen/src/generators/script.ts
@@ -22,6 +22,7 @@ export function generate(
 	getHtmlGen: () => ReturnType<typeof templateGen['generate']> | undefined,
 	getStyleBindTexts: () => string[],
 	vueLibName: string,
+	shimComponentOptions: boolean,
 ) {
 
 	const codeGen = new CodeGen<EmbeddedFileMappingData>();
@@ -166,7 +167,20 @@ export function generate(
 			addVirtualCode('script', scriptRanges.exportDefault.end, script.content.length);
 		}
 		else {
-			addVirtualCode('script', 0, script.content.length);
+			let isExportRawObject = false;
+			if (scriptRanges?.exportDefault) {
+				isExportRawObject = script.content.substring(scriptRanges.exportDefault.expression.start, scriptRanges.exportDefault.expression.end).startsWith('{');
+			}
+			if (isExportRawObject && shimComponentOptions && scriptRanges?.exportDefault) {
+				addVirtualCode('script', 0, scriptRanges.exportDefault.expression.start);
+				codeGen.addText(`(await import('${vueLibName}')).defineComponent(`);
+				addVirtualCode('script', scriptRanges.exportDefault.expression.start, scriptRanges.exportDefault.expression.end);
+				codeGen.addText(`)`);
+				addVirtualCode('script', scriptRanges.exportDefault.expression.end, script.content.length);
+			}
+			else {
+				addVirtualCode('script', 0, script.content.length);
+			}
 		}
 	}
 	function addVirtualCode(vueTag: 'script' | 'scriptSetup', start: number, end: number) {
diff --git a/packages/vue-code-gen/src/index.ts b/packages/vue-code-gen/src/index.ts
index 603d785f1..0a792d4bd 100644
--- a/packages/vue-code-gen/src/index.ts
+++ b/packages/vue-code-gen/src/index.ts
@@ -18,6 +18,7 @@ export function generateSFCScriptTypeCheckCode(
 	scriptLang: 'js' | 'jsx' | 'ts' | 'tsx',
 	scriptCode: string | undefined,
 	scriptSetupCode: string | undefined,
+	shimComponentOptions: boolean,
 	templateAst?: CompilerDOM.RootNode,
 	cssVars?: string[],
 	vueLibName = 'vue',
@@ -43,6 +44,7 @@ export function generateSFCScriptTypeCheckCode(
 		// () => templateAst ? generateTemplateScript(templateAst) : undefined,
 		() => cssVars ?? [],
 		vueLibName,
+		shimComponentOptions,
 	);
 
 	return {
diff --git a/packages/vue-typescript/src/types.ts b/packages/vue-typescript/src/types.ts
index 927bd1751..f56c48774 100644
--- a/packages/vue-typescript/src/types.ts
+++ b/packages/vue-typescript/src/types.ts
@@ -13,6 +13,7 @@ export interface ITemplateScriptData {
 
 export interface VueCompilerOptions {
 	experimentalCompatMode?: 2 | 3;
+	experimentalShamefullySupportOptionsApi?: boolean;
 	experimentalTemplateCompilerOptions?: any;
 	experimentalTemplateCompilerOptionsRequirePath?: string;
 	experimentalDisableTemplateSupport?: boolean;
diff --git a/packages/vue-typescript/src/use/useSfcScriptGen.ts b/packages/vue-typescript/src/use/useSfcScriptGen.ts
index c1b8a7f2f..e25c3522c 100644
--- a/packages/vue-typescript/src/use/useSfcScriptGen.ts
+++ b/packages/vue-typescript/src/use/useSfcScriptGen.ts
@@ -8,6 +8,7 @@ import type { parseScriptSetupRanges } from '@volar/vue-code-gen/out/parsers/scr
 import { getVueLibraryName } from '../utils/localTypes';
 import type { EmbeddedFileMappingData, TextRange } from '@volar/vue-code-gen';
 import { Embedded, EmbeddedFile, Sfc } from '../vueFile';
+import { VueCompilerOptions } from '../types';
 
 export function useSfcScriptGen<T extends 'template' | 'script'>(
 	lsType: T,
@@ -20,7 +21,7 @@ export function useSfcScriptGen<T extends 'template' | 'script'>(
 	scriptSetupRanges: Ref<ReturnType<typeof parseScriptSetupRanges> | undefined>,
 	htmlGen: Ref<ReturnType<typeof templateGen.generate> | undefined>,
 	sfcStyles: ReturnType<(typeof import('./useSfcStyles'))['useSfcStyles']>['files'],
-	isVue2: boolean,
+	compilerOptions: VueCompilerOptions,
 	getCssVBindRanges: (cssEmbeddeFile: EmbeddedFile) => TextRange[],
 ) {
 
@@ -44,7 +45,8 @@ export function useSfcScriptGen<T extends 'template' | 'script'>(
 				}
 				return bindTexts;
 			},
-			getVueLibraryName(isVue2),
+			getVueLibraryName(compilerOptions.experimentalCompatMode === 2),
+			!!compilerOptions.experimentalShamefullySupportOptionsApi,
 		)
 	);
 	const file = computed(() => {
diff --git a/packages/vue-typescript/src/vueFile.ts b/packages/vue-typescript/src/vueFile.ts
index d25bcf814..4bbff44e7 100644
--- a/packages/vue-typescript/src/vueFile.ts
+++ b/packages/vue-typescript/src/vueFile.ts
@@ -199,7 +199,7 @@ export function createVueFile(
 		computed(() => scriptSetupRanges.value),
 		sfcTemplateScript.templateCodeGens,
 		computed(() => sfcStyles.files.value),
-		compilerOptions.experimentalCompatMode === 2,
+		compilerOptions,
 		getCssVBindRanges,
 	);
 	const sfcScriptForScriptLs = useSfcScriptGen(
@@ -213,7 +213,7 @@ export function createVueFile(
 		computed(() => scriptSetupRanges.value),
 		sfcTemplateScript.templateCodeGens,
 		computed(() => sfcStyles.files.value),
-		compilerOptions.experimentalCompatMode === 2,
+		compilerOptions,
 		getCssVBindRanges,
 	);
 	const sfcRefSugarRanges = computed(() => (sfcScriptSetup.ast.value ? {