diff --git a/pkg/lru/define.go b/pkg/lru/define.go
index c5cedb2..ce392c4 100644
--- a/pkg/lru/define.go
+++ b/pkg/lru/define.go
@@ -1,10 +1,11 @@
 package lru
 
 import (
-	"gitee.com/timedb/wheatCache/pkg/proto"
-	"gitee.com/timedb/wheatCache/pkg/structure"
 	"sync"
 	"time"
+
+	"gitee.com/timedb/wheatCache/pkg/proto"
+	"gitee.com/timedb/wheatCache/pkg/structure"
 )
 
 type SingleWorkFunc func() interface{}
@@ -22,8 +23,8 @@ var (
 )
 
 const (
-	defaultLruMaxSize     = 1 * 1024 * 1024 * 1024 * 8
-	defaultLruClearSize   = 0.5 * 1024 * 1024 * 1024 * 8
+	defaultLruMaxSize     = 1 * 1024 * 1024 * 1024
+	defaultLruClearSize   = 0.5 * 1024 * 1024 * 1024
 	defaultLruEventDriver = 2000
 )
 const (
diff --git a/pkg/util/memory.go b/pkg/util/memory.go
index c0f5ef3..cc63f53 100644
--- a/pkg/util/memory.go
+++ b/pkg/util/memory.go
@@ -1,10 +1,11 @@
 package util
 
 import (
-	"gitee.com/timedb/wheatCache/pkg/errorx"
 	"regexp"
 	"strconv"
 	"strings"
+
+	"gitee.com/timedb/wheatCache/pkg/errorx"
 )
 
 // ParseSizeToBit
@@ -17,16 +18,14 @@ func ParseSizeToBit(size string) (int64, error) {
 	sizeType := strings.ToUpper(unit[1])
 	switch {
 	case sizeType == "BIT" || sizeType == "B":
-		return Res * 8, nil
+		return Res, nil
 	case sizeType == "KB":
-		return Res * 1024 * 8, nil
-	case sizeType =="MB":
-		return Res * 1024 * 1024 * 8, nil
+		return Res * 1024, nil
+	case sizeType == "MB":
+		return Res * 1024 * 1024, nil
 	case sizeType == "GB":
-		return Res * 1024 *1024 * 1024 * 8, nil
+		return Res * 1024 * 1024 * 1024, nil
 	default:
 		return 0, errorx.New("your size is wrong")
 	}
 }
-
-