Once you've dragged out your path, select the Pen Tool (p), right-click inside the rectangle, and then choose to Make Selection.

路径画好之后，选择钢笔工具(P)，右击矩形内部，选择建立选区。

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Pick the Direct Selection Tool and click on the shape path. Click the vertical point and drag it down while holding the Shift key until it reaches the same level with the horizontal axis.

用直接选取工具单击这个图形的路径，单击垂直点然后按住shif t键往下拉直到如图所示状态。现在看起来不错了，但是还是比较简陋。

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Select the bottom path point with the Direct Selection Tool and lengthen the pin.

选择底部的路径点，与直接选择工具和延长针。

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