Not work placement with header and footer

[hamedyosefian]

重现步骤

在线示例链接：（必填）

步骤：
1.add bubbles component with props placement and content that worked
2.when add footer or header to each bubble component that change placement to start

当前行为

No response

预期行为

No response

上下文

No response

版本

1.0.2

您在哪些浏览器上遇到了这个问题？

No response

[YumoImer]

This issue has been fixed and will be released in version 1.0.3.

[afc163]

@YumoImer 关联一下 PR