fix(h5、app): 1、修复H5、APP端，使用download-file时，timeout错误 2、APP端request统一默认值

src/platforms/app-plus/service/api/network/download-file.js

@@ -20,8 +20,9 @@ const publishStateChange = (res) => {
 const createDownloadTaskById = function (downloadTaskId, {
   url,
   header,
-  timeout = __uniConfig.networkTimeout.downloadFile ? __uniConfig.networkTimeout.downloadFile / 1000 : 120
+  timeout
 } = {}) {
+  timeout = (timeout || (__uniConfig.networkTimeout && __uniConfig.networkTimeout.request) || 60 * 1000) / 1000
   const downloader = plus.downloader.createDownload(url, {
     timeout,
     filename: TEMP_PATH + '/download/',

src/platforms/app-plus/service/api/network/request.js

@@ -46,7 +46,7 @@ export function createRequestTaskById (requestTaskId, {
   responseType,
   sslVerify = true,
   firstIpv4 = false,
-  timeout = __uniConfig.networkTimeout.request
+  timeout = (__uniConfig.networkTimeout && __uniConfig.networkTimeout.request) || 60 * 1000
 } = {}) {
   const stream = requireNativePlugin('stream')
   const headers = {}

src/platforms/h5/service/api/network/download-file.js

@@ -46,7 +46,7 @@ class DownloadTask {
 export function downloadFile ({
   url,
   header,
-  timeout = (__uniConfig.networkTimeout && __uniConfig.networkTimeout.downloadFile) || 60 * 1000
+  timeout = (__uniConfig.networkTimeout && __uniConfig.networkTimeout.request) || 60 * 1000
 }, callbackId) {
   const {
     invokeCallbackHandler: invoke