统计增加channel

components/statistics/index.js

@@ -9,11 +9,12 @@ class Statistics extends request {
         const options =  wx.getLaunchOptionsSync()
         const referrerInfo = options.referrerInfo || {}
         const extraData = referrerInfo.extraData || {}
-        const department = extraData.department || '';
+        const department = extraData.department || ''
+        const channel = extraData.channel || ''
 
         let postParam = {
             source: 'WX_MINI_APP',
-            channel: params.channel || '',
+            channel: params.channel || channel || '',
             module: params.module,
             action: params.action,
             appid: accountInfo.miniProgram.appId,