private boolean open(final int status) {
        return Objects.equals(status, 0);
    }
false close, true open.
@param status status  (0, healthy, 1 unhealthy)
@return openStatus false close, true open.
shenyu-protocol/shenyu-protocol-tcp/src/main/java/org/apache/shenyu/protocol/tcp/connection/DefaultConnectionConfigProvider.java