diff --git a/binding/golang/xdb/util.go b/binding/golang/xdb/util.go
index 7cb4cb9..8df0693 100644
--- a/binding/golang/xdb/util.go
+++ b/binding/golang/xdb/util.go
@@ -15,7 +15,7 @@ import (
 	"strings"
 )
 
-var shiftIndex = []int{24, 16, 8, 0}
+var shiftIndex = []uint32{24, 16, 8, 0}
 
 func CheckIP(ip string) (uint32, error) {
 	var ps = strings.Split(ip, ".")
diff --git a/maker/golang/xdb/util.go b/maker/golang/xdb/util.go
index df01c5b..ad5a934 100644
--- a/maker/golang/xdb/util.go
+++ b/maker/golang/xdb/util.go
@@ -12,7 +12,7 @@ import (
 
 // Util function
 
-var shiftIndex = []int{24, 16, 8, 0}
+var shiftIndex = []uint32{24, 16, 8, 0}
 
 func CheckIP(ip string) (uint32, error) {
 	var ps = strings.Split(ip, ".")