feat：完善项目

app/service/websocket.go

@@ -40,7 +40,12 @@ func (this *Hub) Run() {
 			}
 		case message := <-this.broadcast:
 			for _, client := range this.clients {
-				client.send <- message.ToBytes()
+				select {
+				case client.send <- message.ToBytes():
+				default:
+					close(client.send)
+					delete(this.clients, client.ID)
+				}
 			}
 		case iMsg := <-this.emit:
 			client, has := this.clients[iMsg.ID]