diff --git a/database/gdb/gdb_z_mysql_struct_test.go b/database/gdb/gdb_z_mysql_struct_test.go
index 090a991a7..dbcf48d97 100644
--- a/database/gdb/gdb_z_mysql_struct_test.go
+++ b/database/gdb/gdb_z_mysql_struct_test.go
@@ -429,3 +429,26 @@ func Test_Model_Scan_UnmarshalValue(t *testing.T) {
 		t.Assert(users[9].CreateTime.String(), CreateTime)
 	})
 }
+
+func Test_Model_Scan_Map(t *testing.T) {
+	table := createInitTable()
+	defer dropTable(table)
+
+	gtest.C(t, func(t *gtest.T) {
+		var users []*User
+		err := db.Model(table).Order("id asc").Scan(&users)
+		t.AssertNil(err)
+		t.Assert(len(users), TableSize)
+		t.Assert(users[0].Id, 1)
+		t.Assert(users[0].Passport, "user_1")
+		t.Assert(users[0].Password, "")
+		t.Assert(users[0].Nickname, "name_1")
+		t.Assert(users[0].CreateTime.String(), CreateTime)
+
+		t.Assert(users[9].Id, 10)
+		t.Assert(users[9].Passport, "user_10")
+		t.Assert(users[9].Password, "")
+		t.Assert(users[9].Nickname, "name_10")
+		t.Assert(users[9].CreateTime.String(), CreateTime)
+	})
+}
diff --git a/util/gconv/gconv.go b/util/gconv/gconv.go
index af74e7369..83d140625 100644
--- a/util/gconv/gconv.go
+++ b/util/gconv/gconv.go
@@ -13,6 +13,7 @@ import (
 	"fmt"
 	"github.com/gogf/gf/internal/json"
 	"github.com/gogf/gf/os/gtime"
+	"math"
 	"reflect"
 	"strconv"
 	"strings"
@@ -299,6 +300,32 @@ func Bytes(any interface{}) []byte {
 		if f, ok := value.(apiBytes); ok {
 			return f.Bytes()
 		}
+		var (
+			reflectValue = reflect.ValueOf(any)
+			reflectKind  = reflectValue.Kind()
+		)
+		for reflectKind == reflect.Ptr {
+			reflectValue = reflectValue.Elem()
+			reflectKind = reflectValue.Kind()
+		}
+		switch reflectKind {
+		case reflect.Array, reflect.Slice:
+			var (
+				ok    = true
+				bytes = make([]byte, reflectValue.Len())
+			)
+			for i, _ := range bytes {
+				int32Value := Int32(reflectValue.Index(i).Interface())
+				if int32Value < 0 || int32Value > math.MaxUint8 {
+					ok = false
+					break
+				}
+				bytes[i] = byte(int32Value)
+			}
+			if ok {
+				return bytes
+			}
+		}
 		return gbinary.Encode(any)
 	}
 }
@@ -308,7 +335,7 @@ func Rune(any interface{}) rune {
 	if v, ok := any.(rune); ok {
 		return v
 	}
-	return rune(Int32(any))
+	return Int32(any)
 }
 
 // Runes converts `any` to []rune.
diff --git a/util/gconv/gconv_z_unit_slice_test.go b/util/gconv/gconv_z_unit_slice_test.go
index 062b6fc17..c67f4bf3f 100644
--- a/util/gconv/gconv_z_unit_slice_test.go
+++ b/util/gconv/gconv_z_unit_slice_test.go
@@ -19,6 +19,8 @@ func Test_Slice(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		value := 123.456
 		t.AssertEQ(gconv.Bytes("123"), []byte("123"))
+		t.AssertEQ(gconv.Bytes([]interface{}{1}), []byte{1})
+		t.AssertEQ(gconv.Bytes([]interface{}{300}), []byte("[300]"))
 		t.AssertEQ(gconv.Strings(value), []string{"123.456"})
 		t.AssertEQ(gconv.Ints(value), []int{123})
 		t.AssertEQ(gconv.Floats(value), []float64{123.456})