<span class="n">order</span> <span class="o">=</span> <span class="n">api</span><span class="o">.</span><span class="n">insert_order</span><span class="p">(</span><span class="n">symbol</span><span class="o">=</span><span class="s2">"SHFE.rb1901"</span><span class="p">,</span> <span class="n">direction</span><span class="o">=</span><span class="s2">"BUY"</span><span class="p">,</span> <span class="n">offset</span><span class="o">=</span><span class="s2">"OPEN"</span><span class="p">,</span> <span class="n">limit_price</span><span class="o">=</span><span class="mi">4310</span><span class="p">,</span><span class="n">volume</span><span class="o">=</span><span class="mi">2</span><span class="p">) 用insert_order下单后，订单的状态有哪些？ </span>
