联系表格无效，一试后会影响加载。chrome控制台显示错误消息：
POST http://example.com/wp-json/contact-form-7/v1/contact-forms/50/feedback 404 (Not Found)
send @ jquery.js?ver=1.12.4:4
ajax @ jquery.js?ver=1.12.4:4
wpcf7.submit @ scripts.js?ver=5.0.3:346
(anonymous) @ scripts.js?ver=5.0.3:53
dispatch @ jquery.js?ver=1.12.4:3
r.handle @ jquery.js?ver=1.12.4:3
如何解决这个问题？提前致谢