validate function computed field failed 优化

[scottsut]

Datart Version
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2. Click on '....'
3. Scroll down to '....'
4. See error

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Environmental details: (optional, depending on where the bug occurs)

• OS: [e.g. Windows 10]
• Source Database: [e.g. MySQL 8.0.26]
• Browser: [e.g. chrome 94, safari 15]

Additional context
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[Cuiyansong]

感谢贡献，此问题已验证并修复，如新版本仍然有问题请留言或者重开此问题。