TIdHTTP返回“Socket错误# 10060'#$ $A'连接超时。”

I'm new to Delphi. To communicate with WebService, I added two components, TIdHTTP and TIdSSLIOHandlerSocketOpenSSL for SSL(https). When getting response from server, it doesn't work and returns "Socket Error # 10060'#$D#$A'Connection timed out." What should i do? below is my code.I'm new to Delphi. To communicate with WebServi