diff --git a/arishem/arishem_builder_test.go b/arishem/arishem_builder_test.go
index b7312e4..fd60a23 100644
--- a/arishem/arishem_builder_test.go
+++ b/arishem/arishem_builder_test.go
@@ -21,6 +21,7 @@ import (
 	"github.com/bytedance/arishem/internal/operator"
 	"github.com/bytedance/arishem/internal/parser"
 	"github.com/stretchr/testify/assert"
+	"math"
 	"testing"
 )
 
@@ -28,12 +29,12 @@ func TestBuildCondition(t *testing.T) {
 	condGroup := NewConditionsCondGroup(OpLogicAnd)
 	cond1 := NewCondition(operator.Equal)
 	cond1.Lhs = NewConstExpr(NewNumConst(1.0))
-	cond1.Rhs = NewConstExpr(NewNumConst(1.0))
+	cond1.Rhs = NewConstExpr(NewNumConst(int64(math.MaxInt64)))
 	condGroup.AddConditions(cond1)
 	expr, err := condGroup.Build()
 	assert.Nil(t, err)
 	assert.NotEmpty(t, expr)
-	assert.Equal(t, `{"OpLogic":"&&","Conditions":[{"Operator":"==","Lhs":{"Const":{"NumConst":1}},"Rhs":{"Const":{"NumConst":1}}}]}`, expr)
+	assert.Equal(t, `{"OpLogic":"&&","Conditions":[{"Operator":"==","Lhs":{"Const":{"NumConst":1}},"Rhs":{"Const":{"NumConst":9223372036854775807}}}]}`, expr)
 
 	cond2 := NewCondition(operator.ListIn, NOT)
 	var varPath VarExpr = "user.user_list#2.name"
@@ -48,7 +49,7 @@ func TestBuildCondition(t *testing.T) {
 	expr, err = condGroup.Build()
 	assert.Nil(t, err)
 	assert.NotEmpty(t, expr)
-	assert.Equal(t, `{"OpLogic":"&&","Conditions":[{"Operator":"==","Lhs":{"Const":{"NumConst":1}},"Rhs":{"Const":{"NumConst":1}}},{"Operator":"!LIST_IN","Lhs":{"VarExpr":"user.user_list#2.name"},"Rhs":{"ConstList":[{"StrConst":"Jack"},{"StrConst":"Jane"},{"StrConst":"John"},{"StrConst":"Ezreal"}]}}]}`, expr)
+	assert.Equal(t, `{"OpLogic":"&&","Conditions":[{"Operator":"==","Lhs":{"Const":{"NumConst":1}},"Rhs":{"Const":{"NumConst":9223372036854775807}}},{"Operator":"!LIST_IN","Lhs":{"VarExpr":"user.user_list#2.name"},"Rhs":{"ConstList":[{"StrConst":"Jack"},{"StrConst":"Jane"},{"StrConst":"John"},{"StrConst":"Ezreal"}]}}]}`, expr)
 
 	pass, err := JudgeConditionWithFactMeta(context.Background(), expr, `{"user":{"user_list":[{"name":"Aatrox"},{"name":"Ahri"},{"name":"Ezreal"},{"name":"MalPhite"}]}}`)
 	assert.Nil(t, err)
diff --git a/arishem/arishem_expr_builder.go b/arishem/arishem_expr_builder.go
index 4dcfda0..94c7c18 100644
--- a/arishem/arishem_expr_builder.go
+++ b/arishem/arishem_expr_builder.go
@@ -17,17 +17,17 @@
 package arishem
 
 type Const struct {
-	BoolConst *bool    `json:"BoolConst,omitempty"`
-	NumConst  *float64 `json:"NumConst,omitempty"`
-	StrConst  *string  `json:"StrConst,omitempty"`
+	BoolConst *bool       `json:"BoolConst,omitempty"`
+	NumConst  interface{} `json:"NumConst,omitempty"`
+	StrConst  *string     `json:"StrConst,omitempty"`
 }
 
 func NewBoolConst(b bool) *Const {
 	return &Const{BoolConst: &b}
 }
 
-func NewNumConst(f float64) *Const {
-	return &Const{NumConst: &f}
+func NewNumConst(n interface{}) *Const {
+	return &Const{NumConst: n}
 }
 
 func NewStrConst(s string) *Const {