调整

app/src/main/java/com/huntersun/vkyes/etcopencard/project/bluetooth/BluetoothDialog.java

 //                        mBackgroundHandler.post(new Runnable() {
 //                            @Override
 //                            public void run() {
-                                connectDevice(plkCallBack, list.get(position));
+                        if (list.size()>0){
+                            connectDevice(plkCallBack, list.get(position));
+                        }else {
+                            toast("未获取到设备，请重新配对");
+                        }
 //                            }
 //                        });
 //                        new Thread(() -> {