Hi, I solved this problem, after I find this article and follow it:
https://wp-expert.net/blog/fix-for-contact-form-7-refill-issue/
You must purge caches content if you are using page cache plugin in WordPress.
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This reply was modified 2 years, 11 months ago by synce1533.
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This reply was modified 2 years, 11 months ago by synce1533.
