Merge branch 'group_0313'

app/common/service/pay/WeChatPayService.php

@@ -426,6 +426,9 @@ class WeChatPayService extends BasePayService
                             }
                         }
                         break;
+                    case 'group':
+                        PayNotifyLogic::handle('group', $message['out_trade_no'], $extra);
+                        break;
                 }
             }
             return true;