diff --git a/support/list.go b/support/list.go
new file mode 100644
index 0000000..ed7f002
--- /dev/null
+++ b/support/list.go
@@ -0,0 +1,99 @@
+package support
+
+import (
+	"encoding/json"
+	"reflect"
+
+	"git.fsdpf.net/go/contracts"
+	"github.com/spf13/cast"
+)
+
+type OperationAccess struct {
+	typ  reflect.Kind // 只能为 reflect.Int 和 reflect.String
+	data map[string][]any
+}
+
+func (this OperationAccess) Get(k string) []any {
+	items, ok := this.data[k]
+
+	if !ok {
+		return nil
+	}
+
+	return items
+}
+
+func (this *OperationAccess) Set(k string, v []any) error {
+	this.data[k] = []any{}
+	return this.Push(k, v...)
+}
+
+func (this *OperationAccess) Push(k string, input ...any) error {
+	if _, ok := this.data[k]; !ok {
+		this.Set(k, []any{})
+	}
+
+	for i := 0; i < len(input); i++ {
+		if v, err := this.Convert(input[i]); err != nil {
+			return err
+		} else {
+			this.data[k] = append(this.data[k], v)
+		}
+	}
+
+	return nil
+}
+
+func (this OperationAccess) Convert(v any) (any, error) {
+	if this.typ == reflect.Int {
+		return cast.ToIntE(v)
+	}
+	return cast.ToStringE(v)
+}
+
+func (this OperationAccess) Exist(k string, v any) bool {
+	items, ok := this.data[k]
+
+	if !ok {
+		return false
+	}
+
+	flag, err := this.Convert(v)
+
+	if err != nil {
+		return false
+	}
+
+	for i := 0; i < len(items); i++ {
+		if items[i] == flag {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (this OperationAccess) MarshalJSON() ([]byte, error) {
+	temp := [][2]any{}
+
+	for k, v := range this.data {
+		temp = append(temp, [2]any{k, v})
+	}
+
+	return json.Marshal(temp)
+}
+
+func NewOperationAccess(m contracts.Model) OperationAccess {
+	// 主键类型
+	tPkType := reflect.String
+
+	if tPk, ok := GetStructField(m.GetQueryFieldsStruct(), m.GetPrimaryKey()); ok {
+		switch tPk.Type.Kind() {
+		case reflect.Int, reflect.Int32, reflect.Int64,
+			reflect.Uint, reflect.Uint32, reflect.Uint64:
+			tPkType = reflect.Int
+		}
+	}
+
+	return OperationAccess{typ: tPkType, data: map[string][]any{}}
+}