Describe the bug

Reproduction

hard to reproduction

System Info

mac node v14.11.0
    "vite": "^2.6.14",
        "vite-plugin-vue2": "^1.9.0",

Used Package Manager

npm

Logs

(node:28221) UnhandledPromiseRejectionWarning: URIError: URI malformed
    at decodeURI (<anonymous>)

Validations

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• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/vue-next instead.
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• The provided reproduction is a minimal reproducible example of the bug.