456ysy:Post http://121.11.96.91:9211/ask_list/article/_search/?size=10&from=0: dial tcp 121.11.96.91:9211: i/o timeout

Request Method:GET
Request URL:/wenda/7440
RemoteAddr:118.184.177.24

Stack/usr/local/golang/src/runtime/asm_amd64.s:573 /usr/local/golang/src/runtime/panic.go:505 /data/golang/src/456ysy/models/util.go:16 /data/golang/src/456ysy/models/search.go:247 /data/golang/src/456ysy/controllers/home/wenda.go:62 /usr/local/golang/src/runtime/asm_amd64.s:573 /usr/local/golang/src/reflect/value.go:447 /usr/local/golang/src/reflect/value.go:308 /data/golang/src/github.com/astaxie/beego/router.go:853 /usr/local/golang/src/net/http/server.go:2694 /usr/local/golang/src/net/http/server.go:1830 /usr/local/golang/src/runtime/asm_amd64.s:2361
beego 1.12.0 (beego framework)
golang version: go1.10