diff --git a/packages/uni-api/src/helpers/api/callback.ts b/packages/uni-api/src/helpers/api/callback.ts
index abdef8dcb9747fd26fb33b08f8dd603457ed4e80..66bcfd43448bfdc06d75bfe65b0c86f71f4a8f21 100644
--- a/packages/uni-api/src/helpers/api/callback.ts
+++ b/packages/uni-api/src/helpers/api/callback.ts
@@ -81,7 +81,10 @@ export const API_SUCCESS = 'success'
 export const API_FAIL = 'fail'
 export const API_COMPLETE = 'complete'
 
-type CALLBACK_TYPES = typeof API_SUCCESS | typeof API_FAIL | typeof API_COMPLETE
+export type CALLBACK_TYPES =
+  | typeof API_SUCCESS
+  | typeof API_FAIL
+  | typeof API_COMPLETE
 
 type ApiCallbacks = {
   [key in CALLBACK_TYPES]?: Function
diff --git a/packages/uni-api/src/helpers/api/index.ts b/packages/uni-api/src/helpers/api/index.ts
index 4f65cc486d3afde03b2783ab82a1a889c2aff129..14ea1407d8a4496d979766586850d97120753d44 100644
--- a/packages/uni-api/src/helpers/api/index.ts
+++ b/packages/uni-api/src/helpers/api/index.ts
@@ -15,6 +15,7 @@ import {
   createKeepAliveApiCallback,
   removeKeepAliveApiCallback,
 } from './callback'
+import type { CALLBACK_TYPES } from './callback'
 import { promisify } from './promise'
 
 function formatApiArgs<T extends ApiLike>(
@@ -219,7 +220,7 @@ export function defineSyncApi<T extends ApiLike>(
 export function defineAsyncApi<T extends AsyncApiLike, P = AsyncApiOptions<T>>(
   name: string,
   fn: (
-    args: Omit<P, 'success' | 'fail' | 'complete'>,
+    args: Omit<P, CALLBACK_TYPES>,
     res: {
       resolve: (res?: AsyncApiRes<P>) => void
       reject: (err?: string) => void
diff --git a/packages/uni-api/src/helpers/protocol.ts b/packages/uni-api/src/helpers/protocol.ts
index fbed299447b7b4a9e56702dee25854eeffc6d3cd..9b858be230b59a797e2d4c01b285aa3fc8854e62 100644
--- a/packages/uni-api/src/helpers/protocol.ts
+++ b/packages/uni-api/src/helpers/protocol.ts
@@ -23,8 +23,8 @@ export const HTTP_METHODS = [
   'CONNECT',
 ]
 
-export function elemInArray(str: string, arr: string[]) {
-  if (arr.indexOf(str) === -1) {
+export function elemInArray<T = string>(str: T, arr: T[]) {
+  if (!str || arr.indexOf(str) === -1) {
     return arr[0]
   }
   return str
diff --git a/packages/uni-api/src/index.ts b/packages/uni-api/src/index.ts
index 5e3ba6ede6902b726dc54534939a48b1b621d553..1c77e0772d8639eed1cea38fbd3ba2da1a4a96d1 100644
--- a/packages/uni-api/src/index.ts
+++ b/packages/uni-api/src/index.ts
@@ -23,6 +23,7 @@ export * from './protocols/location/openLocation'
 
 export * from './protocols/media/chooseImage'
 export * from './protocols/media/chooseVideo'
+export * from './protocols/media/chooseFile'
 export * from './protocols/media/getImageInfo'
 
 export * from './protocols/network/request'
diff --git a/packages/uni-api/src/protocols/ui/tabBar.ts b/packages/uni-api/src/protocols/ui/tabBar.ts
index 219b5a6670ebfcff51196e3a6a24b531327d1aae..b848edb100552deb680cf7a211270672a821360c 100644
--- a/packages/uni-api/src/protocols/ui/tabBar.ts
+++ b/packages/uni-api/src/protocols/ui/tabBar.ts
@@ -1,8 +1,7 @@
 import { extend } from '@vue/shared'
-import { getLen } from '@dcloudio/uni-shared'
+import { getLen, removeLeadingSlash } from '@dcloudio/uni-shared'
 import { getRealPath } from '@dcloudio/uni-platform'
 import { getCurrentPageMeta } from '@dcloudio/uni-core'
-import { removeLeadingSlash } from '@dcloudio/uni-shared'
 
 const IndexProtocol: ApiProtocol<API_TYPE_SET_TAB_BAR_ITEM> = {
   index: {
diff --git a/packages/uni-h5/src/service/api/base/getBaseSystemInfo.ts b/packages/uni-h5/src/service/api/base/getBaseSystemInfo.ts
index c08bffe6e4e9eeea0c99bad8474e34fb68b768c2..0b3080af4eb0a18bb2ed5ec5432bead156f39fe9 100644
--- a/packages/uni-h5/src/service/api/base/getBaseSystemInfo.ts
+++ b/packages/uni-h5/src/service/api/base/getBaseSystemInfo.ts
@@ -10,6 +10,8 @@ export const isMac = /Macintosh|Mac/i.test(ua)
 
 export const isLinux = /Linux|X11/i.test(ua)
 
+export const isIPadOS = isMac && navigator.maxTouchPoints > 0
+
 export function getScreenFix() {
   return (
     /^Apple/.test(navigator.vendor) && typeof window.orientation === 'number'
diff --git a/packages/uni-h5/src/service/api/device/getSystemInfoSync.ts b/packages/uni-h5/src/service/api/device/getSystemInfoSync.ts
index 116ccc3ba21236bab7cc67febc44d8b0d121beeb..c8665069d1a776ed1f2b9fe9e1e37288a1491bd7 100644
--- a/packages/uni-h5/src/service/api/device/getSystemInfoSync.ts
+++ b/packages/uni-h5/src/service/api/device/getSystemInfoSync.ts
@@ -11,6 +11,7 @@ import {
   isWindows,
   isMac,
   isLinux,
+  isIPadOS,
   isLandscape,
   getScreenFix,
   getScreenWidth,
@@ -88,6 +89,10 @@ export const getSystemInfoSync = defineSyncApi<typeof uni.getSystemInfoSync>(
           break
         }
       }
+    } else if (isIPadOS) {
+      model = 'iPad'
+      osname = 'iOS'
+      osversion = typeof window.BigInt === 'function' ? '14.0' : '13.0'
     } else if (isWindows || isMac || isLinux) {
       model = 'PC'
       osname = 'PC'
diff --git a/packages/uni-shared/src/utils.ts b/packages/uni-shared/src/utils.ts
index a0131bf196082a57f4b80f1b251e9ea0e6b2691f..5cb574bfda5112ccfd0377273093c6ff50003dc8 100644
--- a/packages/uni-shared/src/utils.ts
+++ b/packages/uni-shared/src/utils.ts
@@ -13,3 +13,12 @@ export const invokeArrayFns = (fns: Function[], arg?: any) => {
   }
   return ret
 }
+
+export function updateElementStyle(
+  element: HTMLElement,
+  styles: Partial<CSSStyleDeclaration>
+) {
+  for (const attrName in styles) {
+    element.style[attrName] = styles[attrName]!
+  }
+}