BUG：建立属性时的键值框消失 #49
Description
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What Happened?
建立属性时的键值框消失
Reproduce the Bug
具体问题过程和描述如下图，可以复现（图比较大加载可能要时间）：
Expected Behavior
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Screenshots
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Browser, Desktop or Mobile Platform Information
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Additional Context
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Are you willing to submit a PR? If you know how to fix the bug.
- I'm willing to submit a PR (Thank you!)