diff --git a/calculate.go b/calculate.go
new file mode 100644
index 0000000..164a219
--- /dev/null
+++ b/calculate.go
@@ -0,0 +1,29 @@
+// Package util ...
+//
+// Description : util ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2022-07-17 15:49
+package util
+
+// calculate 各种计算相关
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:49 2022/7/17
+type calculate struct {
+}
+
+// GetTotalPage 获取总页码数
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:50 2022/7/17
+func (c *calculate) GetTotalPage(total int64, pageSize int64) int64 {
+	totalPage := total / pageSize
+	if total%pageSize > 0 {
+		totalPage++
+	}
+	return totalPage
+}
diff --git a/init.go b/init.go
index 9265efd..8bf86d8 100644
--- a/init.go
+++ b/init.go
@@ -28,6 +28,8 @@ var (
 	URL *ownURL
 	// Map ...
 	Map *ownMap
+	// Calculate ...
+	Calculate *calculate
 )
 
 func init() {
@@ -41,4 +43,5 @@ func init() {
 	Time = &ownTime{}
 	URL = &ownURL{}
 	Map = &ownMap{}
+	Calculate = &calculate{}
 }