feature：修改首页蓝牙的判断

pages/index/index.js

@@ -161,7 +161,7 @@ Page({
     let hasBle = that.data.deviceList.find(item => {
       return item.connectType == 1;
     })
-    if (!hasBle) {
+    if (hasBle) {
       ///监听蓝牙设备
       BtHelper.getInstance().initBluetoothAdapter();
       BtHelper.getInstance().getBluetoothDevices();