diff --git a/data/math.go b/data/math.go
new file mode 100644
index 0000000000..0ebb92aa81
--- /dev/null
+++ b/data/math.go
@@ -0,0 +1,17 @@
+package data
+
+// min 返回两数最大值，该函数将被内联
+func Max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+// min 返回两数最小值，该函数将被内联
+func Min(a, b int) int {
+	if a > b {
+		return b
+	}
+	return a
+}
diff --git a/plugin_fortune/fortune.go b/plugin_fortune/fortune.go
index 59ff3c95d7..b38d4c7376 100644
--- a/plugin_fortune/fortune.go
+++ b/plugin_fortune/fortune.go
@@ -246,25 +246,6 @@ func draw(background, title, text string) ([]byte, error) {
 	if err := canvas.LoadFontFace(base+"sakura.ttf", 23); err != nil {
 		return nil, err
 	}
-	offest := func(total, now int, distance float64) float64 {
-		if total%2 == 0 {
-			return (float64(now-total/2) - 1) * distance
-		}
-		return (float64(now-total/2) - 1.5) * distance
-	}
-	rowsnum := func(total, div int) int {
-		temp := total / div
-		if total%div != 0 {
-			temp++
-		}
-		return temp
-	}
-	min := func(a, b int) int {
-		if a < b {
-			return a
-		}
-		return b
-	}
 	tw, th := canvas.MeasureString("测")
 	tw, th = tw+10, th+10
 	r := []rune(text)
@@ -273,7 +254,7 @@ func draw(background, title, text string) ([]byte, error) {
 	default:
 		for i, o := range r {
 			xnow := rowsnum(i+1, 9)
-			ysum := min(len(r)-(xnow-1)*9, 9)
+			ysum := data.Min(len(r)-(xnow-1)*9, 9)
 			ynow := i%9 + 1
 			canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(ysum, ynow, th)+320.0)
 		}
@@ -281,7 +262,7 @@ func draw(background, title, text string) ([]byte, error) {
 		div := rowsnum(len(r), 2)
 		for i, o := range r {
 			xnow := rowsnum(i+1, div)
-			ysum := min(len(r)-(xnow-1)*div, div)
+			ysum := data.Min(len(r)-(xnow-1)*div, div)
 			ynow := i%div + 1
 			switch xnow {
 			case 1:
@@ -303,3 +284,18 @@ func draw(background, title, text string) ([]byte, error) {
 	encoder.Close()
 	return buffer.Bytes(), nil
 }
+
+func offest(total, now int, distance float64) float64 {
+	if total%2 == 0 {
+		return (float64(now-total/2) - 1) * distance
+	}
+	return (float64(now-total/2) - 1.5) * distance
+}
+
+func rowsnum(total, div int) int {
+	temp := total / div
+	if total%div != 0 {
+		temp++
+	}
+	return temp
+}
diff --git a/plugin_lolicon/lolicon.go b/plugin_lolicon/lolicon.go
index 72fd761d21..9c0389274d 100644
--- a/plugin_lolicon/lolicon.go
+++ b/plugin_lolicon/lolicon.go
@@ -11,6 +11,7 @@ import (
 	"github.com/wdvxdr1123/ZeroBot/message"
 
 	"github.com/FloatTech/ZeroBot-Plugin/control"
+	"github.com/FloatTech/ZeroBot-Plugin/data"
 )
 
 const (
@@ -30,7 +31,7 @@ func init() {
 	}).OnFullMatch("来份萝莉").SetBlock(true).
 		Handle(func(ctx *zero.Ctx) {
 			go func() {
-				for i := 0; i < min(cap(queue)-len(queue), 2); i++ {
+				for i := 0; i < data.Min(cap(queue)-len(queue), 2); i++ {
 					resp, err := http.Get(api)
 					if err != nil {
 						ctx.SendChain(message.Text("ERROR: ", err))
@@ -60,10 +61,3 @@ func init() {
 			}
 		})
 }
-
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
diff --git a/plugin_manager/manager.go b/plugin_manager/manager.go
index 6da0a58de0..ab6bf78ec4 100644
--- a/plugin_manager/manager.go
+++ b/plugin_manager/manager.go
@@ -16,6 +16,8 @@ import (
 	"github.com/wdvxdr1123/ZeroBot/message"
 
 	timer "github.com/FloatTech/ZeroBot-Plugin-Timer"
+
+	"github.com/FloatTech/ZeroBot-Plugin/data"
 )
 
 const (
@@ -300,13 +302,7 @@ func init() { // 插件主体
 			sort.SliceStable(temp, func(i, j int) bool {
 				return temp[i].Get("last_sent_time").Int() < temp[j].Get("last_sent_time").Int()
 			})
-			max := func(a, b int) int {
-				if a > b {
-					return a
-				}
-				return b
-			}
-			temp = temp[max(0, len(temp)-10):]
+			temp = temp[data.Max(0, len(temp)-10):]
 			rand.Seed(time.Now().UnixNano())
 			who := temp[rand.Intn(len(temp))]
 			if who.Get("user_id").Int() == ctx.Event.SelfID {
diff --git a/plugin_setutime/setu_geter.go b/plugin_setutime/setu_geter.go
index 6f126d6c36..6e18303185 100644
--- a/plugin_setutime/setu_geter.go
+++ b/plugin_setutime/setu_geter.go
@@ -106,7 +106,7 @@ func init() { // 插件主体
 			var imgtype = ctx.State["regex_matched"].([]string)[1]
 			// 补充池子
 			go func() {
-				times := min(pool.Max-pool.size(imgtype), 2)
+				times := data.Min(pool.Max-pool.size(imgtype), 2)
 				for i := 0; i < times; i++ {
 					illust := &pixiv.Illust{}
 					// 查询出一张图片
@@ -122,7 +122,6 @@ func init() { // 插件主体
 					ctx.SendGroupMessage(pool.Group, []message.MessageSegment{message.Image(file(illust))})
 					// 向缓冲池添加一张图片
 					pool.push(imgtype, illust)
-
 					time.Sleep(time.Second * 1)
 				}
 			}()
@@ -217,18 +216,6 @@ func firstValueInList(list []string) zero.Rule {
 	}
 }
 
-// min 返回两数最小值
-func min(a, b int) int {
-	switch {
-	default:
-		return a
-	case a > b:
-		return b
-	case a < b:
-		return a
-	}
-}
-
 // size 返回缓冲池指定类型的现有大小
 func (p *imgpool) size(imgtype string) int {
 	return len(p.Pool[imgtype])