# 首先导入所需的库
library(httpRequest)

# 设置主机名和端口号
proxy_host <- 
proxy_port <- 

# 使用httpRequest库的get函数下载图片
response <- httpRequest(", proxyHost = proxy_host, proxyPort = proxy_port)

# 确保请求成功
if (response$status == 200) {
  # 将响应的内容保存为图片文件
  file.create("image.jpg")
  writeBin(response$content, file = "image.jpg", binary = TRUE)
} else {
  # 如果请求失败，则打印错误信息
  cat("Error: ", response$status, "\n")
}