go version 1.20 올림

go.mod

@@ -1,6 +1,6 @@
 module repositories.action2quare.com/ayo/gocommon
 
-go 1.19
+go 1.20
 
 replace repositories.action2quare.com/ayo/gocommon => ./
 

wshandler/room.go

@@ -76,9 +76,7 @@ func (r *room) loop(ctx context.Context, conns *map[string]*wsconn) (normalEnd b
 			bt, _ := json.Marshal(ds)
 
 			for _, conn := range *conns {
-				writer, _ := conn.NextWriter(websocket.TextMessage)
-				writer.Write(bt)
-				writer.Close()
+				conn.Conn.WriteMessage(websocket.TextMessage, bt)
 			}
 		}
 	}