fix verification switch

sunty

2020-04-16 b7ce0659f5e04952c4ea8a6ebb714c5615017c3b

fix verification switch

 tools/middleware/middleware.go

@@ -119,6 +119,7 @@
        }
    case config.StartScriptAsMaster:
        verificationMasterUrl := "http://" + ip + ":6333"
        fmt.Println("verificationMasterUrl: ", verificationMasterUrl)
        _, masterErr := http.Get(verificationMasterUrl)
        fmt.Println("masterErr", masterErr)
        if masterErr == nil {