diff --git a/src/index.d.ts b/index.d.ts
similarity index 98%
rename from src/index.d.ts
rename to index.d.ts
index 6ec793487a..11374fb62f 100644
--- a/src/index.d.ts
+++ b/index.d.ts
@@ -1,6 +1,6 @@
 import accepts = require('accepts');
 import { AsyncLocalStorage } from 'async_hooks';
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'events';
 import { Readable } from 'stream';
 import { Socket } from 'net';
 import { IncomingMessage, ServerResponse } from 'http';
@@ -65,10 +65,10 @@ declare module 'egg' {
   export interface EggHttpClient extends EventEmitter {
     request<T = any>(url: HttpClientRequestURL): Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
     request<T = any>(url: HttpClientRequestURL, options: RequestOptionsOld | HttpClientRequestOptions):
-      Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
+    Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
     curl<T = any>(url: HttpClientRequestURL): Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
     curl<T = any>(url: HttpClientRequestURL, options: RequestOptionsOld | HttpClientRequestOptions):
-      Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
+    Promise<HttpClientResponseOld<T> | HttpClientResponse<T>>;
   }
 
   interface EggHttpConstructor {
@@ -723,13 +723,13 @@ declare module 'egg' {
 
     /**
      * Get current execute ctx async local storage
-     * @returns {AsyncLocalStorage} localStorage - store current execute Context
+     * @return {AsyncLocalStorage} localStorage - store current execute Context
      */
     get ctxStorage(): AsyncLocalStorage<Context>;
 
     /**
      * Get current execute ctx, maybe undefined
-     * @returns {Context} ctx - current execute Context
+     * @return {Context} ctx - current execute Context
      */
     get currentContext(): Context;
   }
@@ -1001,7 +1001,7 @@ declare module 'egg' {
      * // get other fields
      * console.log(stream.fields);
      * ```
-     * @method Context#getFileStream
+     * @function Context#getFileStream
      * @param {Object} options
      * @return {ReadStream} stream
      * @since 1.0.0
@@ -1052,7 +1052,7 @@ declare module 'egg' {
   export interface IHelper extends PlainObject, BaseContextClass {
     /**
      * Generate URL path(without host) for route. Takes the route name and a map of named params.
-     * @method Helper#pathFor
+     * @function Helper#pathFor
      * @param {String} name - Router Name
      * @param {Object} params - Other params
      *
@@ -1068,7 +1068,7 @@ declare module 'egg' {
 
     /**
      * Generate full URL(with host) for route. Takes the route name and a map of named params.
-     * @method Helper#urlFor
+     * @function Helper#urlFor
      * @param {String} name - Router name
      * @param {Object} params - Other params
      * @example
@@ -1153,7 +1153,7 @@ declare module 'egg' {
     ignoreWarning?: boolean;
   }
 
-  export function start(options?: StartOptions): Promise<Application>
+  export function start(options?: StartOptions): Promise<Application>;
 
   /**
    * Powerful Partial, Support adding ? modifier to a mapped property in deep level
@@ -1165,8 +1165,8 @@ declare module 'egg' {
    */
   export type PowerPartial<T> = {
     [U in keyof T]?: T[U] extends object
-    ? PowerPartial<T[U]>
-    : T[U]
+      ? PowerPartial<T[U]>
+      : T[U]
   };
 
   // send data can be number|string|boolean|object but not Set|Map
diff --git a/package.json b/package.json
index 4893d04f5f..2305b92856 100644
--- a/package.json
+++ b/package.json
@@ -81,20 +81,17 @@
     "sdk-base": "^4.2.1",
     "spy": "^1.0.0",
     "supertest": "^6.2.4",
-    "tsd": "^0.31.1",
     "tshy": "^1.18.0",
     "tshy-after": "^1.1.1",
-    "typescript": "5",
-    "umi": "^3.5.36"
+    "typescript": "5"
   },
   "scripts": {
-    "lint": "eslint app config lib test *.js",
-    "tsd": "tsd",
-    "pretest": "npm run lint -- --fix && npm run tsd",
+    "lint": "eslint src test --ext .ts",
+    "pretest": "npm run lint -- --fix",
     "test": "egg-bin test",
     "test:changed": "egg-bin test --changed",
     "cov": "egg-bin cov --timeout 100000",
-    "preci": "npm run lint && npm run tsd",
+    "preci": "npm run lint",
     "ci": "npm run cov && npm run prepublishOnly && attw --pack",
     "prepublishOnly": "tshy && tshy-after",
     "site:dev": "cross-env NODE_OPTIONS=--openssl-legacy-provider APP_ROOT=./site dumi dev",
diff --git a/src/config/config.local.ts b/src/config/config.local.ts
index af29a4c62f..6ba0294b1a 100644
--- a/src/config/config.local.ts
+++ b/src/config/config.local.ts
@@ -8,4 +8,4 @@ export default () => {
       },
     },
   } satisfies Partial<EggAppConfig>;
-}
+};
diff --git a/src/config/config.unittest.ts b/src/config/config.unittest.ts
index 95eacc6ab5..3c16597396 100644
--- a/src/config/config.unittest.ts
+++ b/src/config/config.unittest.ts
@@ -7,4 +7,4 @@ export default () => {
       buffer: false,
     },
   } satisfies Partial<EggAppConfig>;
-}
+};
diff --git a/src/lib/egg.ts b/src/lib/egg.ts
index 8cabdefd8a..012ad0fe09 100644
--- a/src/lib/egg.ts
+++ b/src/lib/egg.ts
@@ -302,7 +302,7 @@ export class EggApplication extends EggCore {
    * See https://github.com/node-modules/urllib#api-doc for more details.
    *
    * @param {String} url request url address.
-   * @param {Object} opts
+   * @param {Object} options
    * - method {String} - Request method, defaults to GET. Could be GET, POST, DELETE or PUT. Alias 'type'.
    * - data {Object} - Data to be sent. Will be stringify automatically.
    * - dataType {String} - String - Type of response data. Could be `text` or `json`.