diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88a5a1d9..92d415ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.7.4 - 21 Sep 2023
+Bug fix:
+- check for class-like object
+- add `GraceHandler` to access both `app` and `context`
+
 # 0.7.3 - 21 Sep 2023
 Bug fix:
 - resolve 200 by default when type is not provided
diff --git a/package.json b/package.json
index a204438f..bbce0a53 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "elysia",
   "description": "Ergonomic Framework for Human",
-  "version": "0.7.3",
+  "version": "0.7.4",
   "author": {
     "name": "saltyAom",
     "url": "https://github.com/SaltyAom",
diff --git a/src/index.ts b/src/index.ts
index 4ec8bc89..33d1cd8c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -74,7 +74,8 @@ import type {
 	AddSuffixCapitalize,
 	TraceReporter,
 	TraceHandler,
-	MaybeArray
+	MaybeArray,
+	GracefulHandler
 } from './types'
 
 /**
@@ -397,8 +398,8 @@ export default class Elysia<
 	 *     .listen(8080)
 	 * ```
 	 */
-	onStart(handler: MaybeArray<PreHandler<ParentSchema, Decorators>>) {
-		this.on('start', handler)
+	onStart(handler: MaybeArray<GracefulHandler<this, Decorators>>) {
+		this.on('start', handler as any)
 
 		return this
 	}
@@ -893,8 +894,8 @@ export default class Elysia<
 	 *     })
 	 * ```
 	 */
-	onStop(handler: VoidHandler<ParentSchema, Decorators>) {
-		this.on('stop', handler)
+	onStop(handler: MaybeArray<GracefulHandler<this, Decorators>>) {
+		this.on('stop', handler as any)
 
 		return this
 	}
@@ -3081,8 +3082,15 @@ export default class Elysia<
 
 		this.server = Bun?.serve(serve)
 
-		for (let i = 0; i < this.event.start.length; i++)
-			this.event.start[i](this as any)
+		if (this.event.start.length) {
+			const context = Object.assign(this.decorators, {
+				store: this.store,
+				app: this
+			})
+
+			for (let i = 0; i < this.event.start.length; i++)
+				this.event.start[i](context)
+		}
 
 		if (callback) callback(this.server!)
 
@@ -3116,8 +3124,15 @@ export default class Elysia<
 
 		this.server.stop()
 
-		for (let i = 0; i < this.event.stop.length; i++)
-			await this.event.stop[i](this as any)
+		if (this.event.stop.length) {
+			const context = Object.assign(this.decorators, {
+				store: this.store,
+				app: this
+			})
+
+			for (let i = 0; i < this.event.stop.length; i++)
+				await this.event.stop[i](context)
+		}
 	}
 
 	/**
diff --git a/src/types.ts b/src/types.ts
index 2ae90544..6a70ef03 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -15,8 +15,12 @@ import type {
 	ParseError,
 	ValidationError
 } from './error'
+import Elysia from '.'
 
-export type ElysiaConfig<T extends string = '', Scoped extends boolean = false> = {
+export type ElysiaConfig<
+	T extends string = '',
+	Scoped extends boolean = false
+> = {
 	name?: string
 	seed?: unknown
 	serve?: Partial<Serve>
@@ -228,7 +232,7 @@ export type UnwrapGroupGuardRoute<
 
 export interface LifeCycleStore {
 	type?: ContentType
-	start: PreHandler<any, any>[]
+	start: GracefulHandler<any, any>[]
 	request: PreHandler<any, any>[]
 	parse: BodyHandler<any, any>[]
 	transform: VoidHandler<any, any>[]
@@ -237,7 +241,7 @@ export interface LifeCycleStore {
 	onResponse: VoidHandler<any, any>[]
 	trace: TraceHandler<any, any>[]
 	error: ErrorHandler<any, any, any>[]
-	stop: VoidHandler<any, any>[]
+	stop: GracefulHandler<any, any>[]
 }
 
 export type LifeCycleEvent =
@@ -465,6 +469,22 @@ export type PreHandler<
 	context: Prettify<PreContext<Route, Decorators>>
 ) => MaybePromise<Route['response'] | void>
 
+export type GracefulHandler<
+	Instance extends Elysia<any, any, any, any, any, any>,
+	Decorators extends DecoratorBase = {
+		request: {}
+		store: {}
+	}
+> = (
+	data: {
+		app: Instance
+	} & Prettify<
+		Decorators['request'] & {
+			store: Decorators['store']
+		}
+	>
+) => any
+
 export type ErrorHandler<
 	T extends Record<string, Error> = {},
 	Route extends RouteSchema = {},
@@ -506,12 +526,12 @@ export type ErrorHandler<
 						error: Readonly<InternalServerError>
 						set: Context['set']
 				  }
-				  | {
-					request: Request
-					code: 'INVALID_COOKIE_SIGNATURE'
-					error: Readonly<InvalidCookieSignature>
-					set: Context['set']
-			  }
+				| {
+						request: Request
+						code: 'INVALID_COOKIE_SIGNATURE'
+						error: Readonly<InvalidCookieSignature>
+						set: Context['set']
+				  }
 				| {
 						[K in keyof T]: {
 							request: Request
diff --git a/src/utils.ts b/src/utils.ts
index b9661419..5b1c6274 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,6 +2,8 @@ import { Kind, TSchema } from '@sinclair/typebox'
 import { Value } from '@sinclair/typebox/value'
 import { TypeCheck, TypeCompiler } from '@sinclair/typebox/compiler'
 
+import { isNotEmpty } from './handler'
+
 import type {
 	LifeCycleStore,
 	LocalHook,
@@ -15,7 +17,9 @@ const isObject = (item: any): item is Object =>
 const isClass = (v: Object) =>
 	(typeof v === 'function' && /^\s*class\s+/.test(v.toString())) ||
 	// Handle import * as Sentry from '@sentry/bun'
-	v.toString() === '[object Module]'
+	v.toString() === '[object Module]' ||
+	// If object prototype is not pure, then probably a class-like object
+	isNotEmpty(Object.getPrototypeOf(v))
 
 export const mergeDeep = <
 	const A extends Record<string, any>,
@@ -48,8 +52,6 @@ export const mergeDeep = <
 				continue
 			}
 
-			console.log("B")
-
 			target[key as keyof typeof target] = mergeDeep(
 				(target as any)[key] as any,
 				value