diff --git a/main.go b/main.go
index af430cb..1cb4fbb 100644
--- a/main.go
+++ b/main.go
@@ -7,10 +7,8 @@ import (
 	"log"
 	"os"
 	"path"
-	"runtime"
 	"strconv"
 	"strings"
-	"time"
 
 	"git.trj.tw/golang/mtfosbot/module/apis/twitch"
 	"git.trj.tw/golang/mtfosbot/module/cmd"
@@ -80,33 +78,9 @@ func main() {
 		log.Fatal(errors.New("log image root not exists"))
 	}
 
-	go func() {
-		for {
-			PrintMemUsage()
-			time.Sleep(time.Second * 20)
-		}
-	}()
-
 	server.Run(strings.Join([]string{":", strconv.Itoa(config.GetConf().Port)}, ""))
 }
 
-// PrintMemUsage -
-func PrintMemUsage() {
-	var m runtime.MemStats
-	runtime.ReadMemStats(&m)
-	// For info on each, see: https://golang.org/pkg/runtime/#MemStats
-	// fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
-	// fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
-	// fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
-	// fmt.Printf("\tNumGC = %v\n", m.NumGC)
-	// fmt.Printf("HeapAlloc = %v MiB", bToMb(m.HeapAlloc))
-	// fmt.Printf("\t HeapSys = %v MiB", bToMb(m.HeapSys))
-	// fmt.Printf("\t NextGC = %v MiB\n", bToMb(m.NextGC))
-}
-func bToMb(b uint64) uint64 {
-	return b / 1024 / 1024
-}
-
 func registerTypes() {
 	gob.Register(model.Account{})
 	gob.Register(model.Commands{})
diff --git a/schema b/schema
index 899a2fb..bda0992 160000
--- a/schema
+++ b/schema
@@ -1 +1 @@
-Subproject commit 899a2fb0f252bbb1e784e00805a2bef7545f9316
+Subproject commit bda09929578505cd4712856bee125b9838643d78