Mixed Content: The page at 'https://www.mptifriend.com/chat' was loaded over HTTPS, but requested an insecure EventSource endpoint 'http://3.35.170.203/api/message/141'. This request has been blocked; the content must be served over HTTPS.
라고 뜨네요.. 클라이언트에서 이벤트소스 여는 주소를 https주소로 바꾸면 될까요?