diff --git a/packages/vue-cli-plugin-uni/lib/chain-webpack.js b/packages/vue-cli-plugin-uni/lib/chain-webpack.js
index 7a5558c9a76c86a896022c9820978d7718207397..a4d79df74b24c2ded8f132baf6cc024918009ac0 100644
--- a/packages/vue-cli-plugin-uni/lib/chain-webpack.js
+++ b/packages/vue-cli-plugin-uni/lib/chain-webpack.js
@@ -99,6 +99,7 @@ module.exports = function chainWebpack (platformOptions, vueOptions, api) {
       'process.env.UNI_APP_ID': JSON.stringify(process.env.UNI_APP_ID),
       'process.env.UNI_APP_NAME': JSON.stringify(process.env.UNI_APP_NAME),
       'process.env.UNI_PLATFORM': JSON.stringify(process.env.UNI_PLATFORM),
+      'process.env.UNI_SUB_PLATFORM': JSON.stringify(process.env.UNI_SUB_PLATFORM),
       'process.env.UNI_CLOUD_PROVIDER': process.env.UNI_CLOUD_PROVIDER,
       'process.env.UNICLOUD_DEBUG': process.env.UNICLOUD_DEBUG,
       'process.env.RUN_BY_HBUILDERX': process.env.RUN_BY_HBUILDERX,
diff --git a/src/platforms/mp-weixin/helpers/enhance-system-info.js b/src/platforms/mp-weixin/helpers/enhance-system-info.js
index 4fdaa674330d413065bf843920f2d75cf0b18437..b7acd8cf33a749c1da3b0effb3c79e3663b6acc7 100644
--- a/src/platforms/mp-weixin/helpers/enhance-system-info.js
+++ b/src/platforms/mp-weixin/helpers/enhance-system-info.js
@@ -27,7 +27,8 @@ export function addSafeAreaInsets (result) {
 }
 
 export function populateParameters (result) {
-  const { brand, model, system, language, theme, version, hostName, platform } = result
+  const { brand, model, system, language, theme, version, hostName = '', platform } = result
+  const isQuickApp =  __PLATFORM__.indexOf('quickapp-webview') !== -1
 
   // osName osVersion
   let osName = ''
@@ -66,7 +67,7 @@ export function populateParameters (result) {
 
   // deviceModel
   let deviceBrand = model.split(' ')[0].toLocaleLowerCase()
-  if (__PLATFORM__ === 'mp-toutiao' || __PLATFORM__ === 'mp-lark') {
+  if (__PLATFORM__ === 'mp-toutiao' || __PLATFORM__ === 'mp-lark' || isQuickApp) {
     deviceBrand = brand.toLocaleLowerCase()
   } else {
     deviceBrand = getDeviceBrand(deviceBrand)
@@ -89,7 +90,7 @@ export function populateParameters (result) {
     appVersionCode: process.env.UNI_APP_VERSION_CODE,
     uniCompileVersion: process.env.UNI_COMPILER_VERSION,
     uniRuntimeVersion: process.env.UNI_COMPILER_VERSION,
-    uniPlatform: process.env.UNI_PLATFORM,
+    uniPlatform: process.env.UNI_SUB_PLATFORM || process.env.UNI_PLATFORM,
     deviceBrand,
     deviceModel: model,
     deviceType,
diff --git a/src/platforms/quickapp-webview/runtime/api/protocols.js b/src/platforms/quickapp-webview/runtime/api/protocols.js
index 3c28c70f9e1de0c32a7bb5e454ca403d0cfd03a0..c4fcebe846c8bf16f78c7f2983b0a82c36dd466b 100644
--- a/src/platforms/quickapp-webview/runtime/api/protocols.js
+++ b/src/platforms/quickapp-webview/runtime/api/protocols.js
@@ -1,11 +1,14 @@
 import navigateTo from 'uni-helpers/navigate-to'
 import redirectTo from '../../../mp-weixin/helpers/redirect-to'
 import previewImage from '../../../mp-weixin/helpers/normalize-preview-image'
+import getSystemInfo from '../../../mp-weixin/helpers/system-info'
 
 export const protocols = {
   navigateTo,
   redirectTo,
-  previewImage
+  previewImage,
+  getSystemInfo,
+  getSystemInfoSync: getSystemInfo,
 }
 export const todos = [
   'preloadPage',