diff --git a/src/core/helpers/protocol/network/request.js b/src/core/helpers/protocol/network/request.js
index 55605715b7e1c149c5e80c8065dd8ad0f326c346..fd09c0892128ce2434d86e850f39249c5461b5ac 100644
--- a/src/core/helpers/protocol/network/request.js
+++ b/src/core/helpers/protocol/network/request.js
@@ -13,11 +13,11 @@ const method = {
   CONNECT: 'CONNECT'
 }
 const dataType = {
-  JSON: 'JSON'
+  JSON: 'json'
 }
 const responseType = {
-  TEXT: 'TEXT',
-  ARRAYBUFFER: 'ARRAYBUFFER'
+  TEXT: 'text',
+  ARRAYBUFFER: 'arraybuffer'
 }
 
 const encode = encodeURIComponent
@@ -83,14 +83,14 @@ export const request = {
   dataType: {
     type: String,
     validator (value, params) {
-      params.dataType = (value || dataType.JSON).toUpperCase()
+      params.dataType = (value || dataType.JSON).toLowerCase()
     }
   },
   responseType: {
     type: String,
     validator (value, params) {
-      value = (value || '').toUpperCase()
+      value = (value || '').toLowerCase()
       params.responseType = Object.values(responseType).indexOf(value) < 0 ? responseType.TEXT : value
     }
   }
-}
+}
diff --git a/src/platforms/app-plus/service/api/network/request.js b/src/platforms/app-plus/service/api/network/request.js
index 4985e29cac2a5b1232ef492e40042c35cc2e78a3..189ad1f48cb7b6e6abf3e89fb02171d4bfd8b613 100644
--- a/src/platforms/app-plus/service/api/network/request.js
+++ b/src/platforms/app-plus/service/api/network/request.js
@@ -1,28 +1,30 @@
-import {
+import {
   publish,
-  requireNativePlugin
-} from '../../bridge'
-
-let requestTaskId = 0
-const requestTasks = {}
-
-const publishStateChange = res => {
-  publish('onRequestTaskStateChange', res)
-  delete requestTasks[requestTaskId]
-}
-
-export function createRequestTaskById (requestTaskId, {
-  url,
-  data,
-  header,
-  method = 'GET'
+  requireNativePlugin,
+  base64ToArrayBuffer
+} from '../../bridge'
+
+let requestTaskId = 0
+const requestTasks = {}
+
+const publishStateChange = res => {
+  publish('onRequestTaskStateChange', res)
+  delete requestTasks[requestTaskId]
+}
+
+export function createRequestTaskById (requestTaskId, {
+  url,
+  data,
+  header,
+  method = 'GET',
+  responseType
 } = {}) {
   const stream = requireNativePlugin('stream')
   const headers = {}
-
+
   let abortTimeout
-  let aborted
-  let hasContentType = false
+  let aborted
+  let hasContentType = false
   for (const name in header) {
     if (!hasContentType && name.toLowerCase() === 'content-type') {
       hasContentType = true
@@ -31,37 +33,38 @@ export function createRequestTaskById (requestTaskId, {
       headers[name] = header[name]
     }
   }
-
+
   if (!hasContentType && method === 'POST') {
-    headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
-  }
+    headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
+  }
 
-  const timeout = __uniConfig.networkTimeout.request
-  if (timeout) {
+  const timeout = __uniConfig.networkTimeout.request
+  if (timeout) {
     abortTimeout = setTimeout(() => {
-      aborted = true
-      publishStateChange({
-        requestTaskId,
-        state: 'fail',
-        statusCode: 0,
-        errMsg: 'timeout'
-      })
-    }, timeout)
-  }
+      aborted = true
+      publishStateChange({
+        requestTaskId,
+        state: 'fail',
+        statusCode: 0,
+        errMsg: 'timeout'
+      })
+    }, timeout)
+  }
   const options = {
     method,
     url: url.trim(),
     // weex 官方文档有误，headers 类型实际 object，用 string 类型会无响应
     headers,
-    type: 'text',
+    type: responseType === 'arraybuffer' ? 'base64' : 'text',
     // weex 官方文档未说明实际支持 timeout，单位：ms
     timeout: timeout || 6e5
   }
   if (method !== 'GET') {
     options.body = data
-  }
-  try {
+  }
+  try {
     stream.fetch(options, ({
+      ok,
       status,
       data,
       headers
@@ -77,7 +80,7 @@ export function createRequestTaskById (requestTaskId, {
         publishStateChange({
           requestTaskId,
           state: 'success',
-          data,
+          data: ok && responseType === 'arraybuffer' ? base64ToArrayBuffer(data) : data,
           statusCode,
           header: headers
         })
@@ -89,7 +92,7 @@ export function createRequestTaskById (requestTaskId, {
           errMsg: 'abort'
         })
       }
-    })
+    })
     requestTasks[requestTaskId] = {
       abort () {
         aborted = true
@@ -103,35 +106,35 @@ export function createRequestTaskById (requestTaskId, {
           errMsg: 'abort'
         })
       }
-    }
-  } catch (e) {
-    return {
-      requestTaskId,
-      errMsg: 'createRequestTask:fail'
-    }
-  }
-  return {
-    requestTaskId,
-    errMsg: 'createRequestTask:ok'
-  }
-}
-
-export function createRequestTask (args) {
-  return createRequestTaskById(++requestTaskId, args)
-}
-
-export function operateRequestTask ({
-  requestTaskId,
-  operationType
-} = {}) {
-  const requestTask = requestTasks[requestTaskId]
-  if (requestTask && operationType === 'abort') {
-    requestTask.abort()
-    return {
-      errMsg: 'operateRequestTask:ok'
-    }
-  }
-  return {
-    errMsg: 'operateRequestTask:fail'
-  }
+    }
+  } catch (e) {
+    return {
+      requestTaskId,
+      errMsg: 'createRequestTask:fail'
+    }
+  }
+  return {
+    requestTaskId,
+    errMsg: 'createRequestTask:ok'
+  }
+}
+
+export function createRequestTask (args) {
+  return createRequestTaskById(++requestTaskId, args)
+}
+
+export function operateRequestTask ({
+  requestTaskId,
+  operationType
+} = {}) {
+  const requestTask = requestTasks[requestTaskId]
+  if (requestTask && operationType === 'abort') {
+    requestTask.abort()
+    return {
+      errMsg: 'operateRequestTask:ok'
+    }
+  }
+  return {
+    errMsg: 'operateRequestTask:fail'
+  }
 }
diff --git a/src/platforms/app-plus/service/bridge.js b/src/platforms/app-plus/service/bridge.js
index 917bc07fb3cc67223f397a8c4a41d69c720638ab..064fbca7617f7100f65533db620d3b86c178cf84 100644
--- a/src/platforms/app-plus/service/bridge.js
+++ b/src/platforms/app-plus/service/bridge.js
@@ -1,9 +1,12 @@
+import {
+  decode
+} from 'base64-arraybuffer'
+
 export {
-  pack,
+  pack,
   unpack,
   invoke
-}
-  from 'uni-core/service/bridge'
+} from 'uni-core/service/bridge'
 
 export function requireNativePlugin (name) {
   return uni.requireNativePlugin(name)
@@ -36,8 +39,8 @@ export function setStatusBarStyle (statusBarStyle) {
   lastStatusBarStyle = statusBarStyle
 
   plus.navigator.setStatusBarStyle(statusBarStyle)
-}
-
+}
+
 export function isTabBarPage (path = '') {
   if (!(__uniConfig.tabBar && Array.isArray(__uniConfig.tabBar.list))) {
     return false
@@ -61,4 +64,8 @@ export function isTabBarPage (path = '') {
     }
   }
   return false
-}
+}
+
+export function base64ToArrayBuffer (data) {
+  return decode(data)
+}
diff --git a/src/platforms/h5/service/api/network/request.js b/src/platforms/h5/service/api/network/request.js
index 34d7c2fa037d9d3236df1025257c4e5052c8c731..e0e30ddb1aa7f45700a92beef492ae03b9020a7b 100644
--- a/src/platforms/h5/service/api/network/request.js
+++ b/src/platforms/h5/service/api/network/request.js
@@ -115,12 +115,12 @@ export function request ({
       errMsg: 'request:fail timeout'
     })
   }, timeout)
-  xhr.responseType = responseType.toLowerCase()
+  xhr.responseType = responseType
   xhr.onload = function () {
     clearTimeout(timer)
     let statusCode = xhr.status
-    let res = responseType === 'TEXT' ? xhr.responseText : xhr.response
-    if (responseType === 'TEXT' && dataType === 'JSON') {
+    let res = responseType === 'text' ? xhr.responseText : xhr.response
+    if (responseType === 'text' && dataType === 'json') {
       try {
         res = JSON.parse(res)
       } catch (error) {
@@ -152,4 +152,4 @@ export function request ({
   }
   xhr.send(body)
   return requestTask
-}
+}