Merge pull request '解决云脑1训练任务无法下载最新日志的问题' (#2236) from fix-2214 into V20220616

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/2236
Reviewed-by: ychao_1983 <ychao_1983@sina.com>

routers/repo/cloudbrain.go

@@ -1150,6 +1150,7 @@ func CloudBrainDownloadModel(ctx *context.Context) {
 		ctx.ServerError("PresignedGetURL", err)
 		return
 	}
+	ctx.Resp.Header().Set("Cache-Control", "max-age=0")
 	http.Redirect(ctx.Resp, ctx.Req.Request, url, http.StatusMovedPermanently)
 }