poqiuhaha

web page chinese is garbled

1

When I use Arduino to send and receive Chinese messages, the serial port printing is normal; But the Chinese displayed in the subject message received by the web page is...

TypeError: SseStream is not a constructor

2

When I use example to run the program, I will be prompted TypeError: SseStream is not a constructor at D:\serialport\eventsource-master\example\sse-server.js:10:20 at Layer.handle [as handle_request] (D:\serialport\eventsource-master\node_modules\express\lib\router\layer.js:95:5) at next (D:\serialport\eventsource-master\node_modules\express\lib\router\route.js:137:13) at Route.dispatch...

What kind of firmware do I need? Thanks for your sharing.