diff --git a/src/components/inspector.tsx b/src/components/inspector.tsx
index 3152aab..13d6852 100644
--- a/src/components/inspector.tsx
+++ b/src/components/inspector.tsx
@@ -1,5 +1,5 @@
 import { EditNode, EditTree, FileTreeType, useWorkspace } from "@/contexts/workspace-context";
-import { NodeModel, TreeGraphData, TreeModel } from "@/misc/b3type";
+import { NodeArgType, NodeModel, TreeGraphData, TreeModel } from "@/misc/b3type";
 import { Hotkey, isMacos } from "@/misc/keys";
 import Path from "@/misc/path";
 import { AutoComplete, Divider, Flex, Form, Input, InputNumber, Select, Switch } from "antd";
@@ -10,8 +10,6 @@ import Markdown from "react-markdown";
 
 interface OptionType extends DefaultOptionType {}
 
-type ArgType = "string" | "int" | "float" | "boolean" | "enum" | "code";
-
 export const Inspector: FC = () => {
   const workspace = {
     editing: useWorkspace((state) => state.editing),
@@ -289,7 +287,7 @@ export const Inspector: FC = () => {
                 </Divider>
                 {def.args.map((v) => {
                   const required = v.type.indexOf("?") == -1;
-                  const type = v.type.replace("?", "") as ArgType;
+                  const type = v.type.replace("?", "") as NodeArgType;
                   return (
                     <Form.Item
                       name={`args.${v.name}`}
diff --git a/src/misc/b3type.ts b/src/misc/b3type.ts
index a428f58..3b0cc82 100644
--- a/src/misc/b3type.ts
+++ b/src/misc/b3type.ts
@@ -1,5 +1,7 @@
 import { TreeGraphData as G6TreeGraphData } from "@antv/g6";
 
+export type NodeArgType = "string" | "int" | "float" | "boolean" | "enum" | "code";
+
 export interface NodeArgOption {
   name: string;
   value: string | number;
diff --git a/src/misc/b3util.ts b/src/misc/b3util.ts
index 1df09ba..33167c7 100644
--- a/src/misc/b3util.ts
+++ b/src/misc/b3util.ts
@@ -1,9 +1,9 @@
 import { useWorkspace } from "@/contexts/workspace-context";
-import { NodeModel, TreeGraphData, TreeModel } from "@/misc/b3type";
+import { NodeArgType, NodeModel, TreeGraphData, TreeModel } from "@/misc/b3type";
 import * as fs from "fs";
 import { message } from "./hooks";
-import Path from "./path";
 import i18n from "./i18n";
+import Path from "./path";
 
 export const isSubtreeRoot = (data: TreeGraphData) => {
   return data.path && data.id.toString() !== "1";
@@ -94,30 +94,31 @@ export const checkNodeData = (data: NodeModel | null | undefined) => {
     for (let i = 0; i < conf.args.length; i++) {
       const arg = conf.args[i];
       if (arg.type.indexOf("?") === -1) {
+        const type = arg.type as NodeArgType;
         const value = data.args?.[arg.name];
-        if (arg.type === "float") {
+        if (type === "float") {
           if (typeof value !== "number") {
             console.error(`check ${data.id}|${data.name}: '${arg.name}' must be a number`);
             hasError = true;
           }
-        } else if (arg.type === "int") {
+        } else if (type === "int") {
           if (typeof value !== "number" || value !== Math.floor(value)) {
             console.error(`check ${data.id}|${data.name}: '${arg.name}' must be a int`);
             hasError = true;
           }
-        } else if (arg.type === "string") {
+        } else if (type === "string") {
           if (!value || typeof value !== "string") {
             console.error(`check ${data.id}|${data.name}: '${arg.name}' must be a string`);
             hasError = true;
           }
-        } else if (arg.type === "enum") {
+        } else if (type === "enum") {
           if (!arg.options?.find((option) => option.value === value)) {
             console.error(
               `check ${data.id}|${data.name}: '${arg.name}' must be one of option value`
             );
             hasError = true;
           }
-        } else if (arg.type == "code") {
+        } else if (type == "code") {
           if (!value || typeof value !== "string") {
             console.error(`check ${data.id}|${data.name}: '${arg.name}' must be a string`);
             hasError = true;
@@ -239,24 +240,25 @@ export const checkTreeData = (data: TreeGraphData) => {
     for (let i = 0; i < conf.args.length; i++) {
       const arg = conf.args[i];
       if (arg.type.indexOf("?") === -1) {
+        const type = arg.type as NodeArgType;
         const value = data.args?.[arg.name];
-        if (arg.type === "float") {
+        if (type === "float") {
           if (typeof value !== "number") {
             return false;
           }
-        } else if (arg.type === "int") {
+        } else if (type === "int") {
           if (typeof value !== "number" || value !== Math.floor(value)) {
             return false;
           }
-        } else if (arg.type === "string") {
+        } else if (type === "string") {
           if (!value || typeof value !== "string") {
             return false;
           }
-        } else if (arg.type === "enum") {
+        } else if (type === "enum") {
           if (!arg.options?.find((option) => option.value === value)) {
             return false;
           }
-        } else if (arg.type == "code") {
+        } else if (type === "code") {
           if (!value || typeof value !== "string") {
             return false;
           }