fix bug

ailink_demo/pages/index/index.js

     wx.getBLEDeviceServices({
       deviceId,
       success: (res) => {
+        console.log(res)
         for (let i = 0; i < res.services.length; i++) {
-          if (res.services[i].isPrimary) {
+          if (res.services[i].isPrimary && res.services[i].uuid.indexOf("FFE0")>-1) {
             this.getBLEDeviceCharacteristics(deviceId, res.services[i].uuid)
             return
           }
 
         wx.onBLECharacteristicValueChange((characteristic) => {
           // 解析特征值，返回解密后的数据
+          console.log("===" + plugin.ab2hex(characteristic.value))
           let bleData = plugin.parseBleData(characteristic.value)
           if (bleData.status == 0) {
             console.log("握手成功")