diff --git a/package-lock.json b/package-lock.json
index 9a3e6ad..00cc556 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "behavior3editor",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "behavior3editor",
-      "version": "1.3.0",
+      "version": "1.4.0",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 14748c2..9529f6f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "behavior3editor",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "main": "dist-electron/main/index.js",
   "description": "行为树编辑器",
   "author": "zhandouxiaojiji & codetypes",
diff --git a/public/locales/en.json b/public/locales/en.json
index 2fab162..2e2a902 100644
--- a/public/locales/en.json
+++ b/public/locales/en.json
@@ -71,6 +71,7 @@
   "tree.overview": "Overview",
   "tree.name": "Tree name",
   "tree.desc": "Tree desc",
+  "tree.export": "Export",
 
   "regnode.input": "Input: ",
   "regnode.output": "Output: ",
diff --git a/public/locales/zh.json b/public/locales/zh.json
index bc34304..4061656 100644
--- a/public/locales/zh.json
+++ b/public/locales/zh.json
@@ -71,6 +71,7 @@
   "tree.overview": "概况",
   "tree.name": "行为树",
   "tree.desc": "说明",
+  "tree.export": "导出",
 
   "regnode.input": "输入：",
   "regnode.output": "输出：",
diff --git a/src/components/editor.tsx b/src/components/editor.tsx
index 9ff725d..fb7c4f7 100644
--- a/src/components/editor.tsx
+++ b/src/components/editor.tsx
@@ -383,8 +383,9 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
   };
 
   const updateTree = (editTree: EditTree) => {
-    if (editor.desc !== editTree.data.desc) {
+    if (editor.desc !== editTree.data.desc || editor.export !== editTree.data.export) {
       editor.desc = editTree.data.desc || "";
+      editor.export = editTree.data.export !== false;
       onChange();
     }
   };
@@ -405,13 +406,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
       });
       setItemState(editor.selectedId, "selected", true);
     } else {
-      workspace.onEditingTree({
-        data: {
-          name: editor.name,
-          desc: editor.desc,
-          root: null!,
-        },
-      });
+      workspace.onEditingTree(editor);
     }
   };
 
@@ -598,6 +593,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
       const treeModel = {
         name: Path.basenameWithoutExt(path),
         root,
+        export: editor.export,
         desc: editor.desc,
       } as TreeModel;
       fs.writeFileSync(path, JSON.stringify(treeModel, null, 2));
diff --git a/src/components/inspector.tsx b/src/components/inspector.tsx
index a91ef32..269772e 100644
--- a/src/components/inspector.tsx
+++ b/src/components/inspector.tsx
@@ -38,16 +38,15 @@ const TreeInspector: FC = () => {
     form.resetFields();
     form.setFieldValue("name", data.name);
     form.setFieldValue("desc", data.desc);
+    form.setFieldValue("export", data.export !== false);
   }, [workspace.editingTree]);
 
   const finish = (values: any) => {
-    const data = {} as TreeModel;
-    data.name = values.name;
-    data.desc = values.desc || undefined;
     workspace.editing?.dispatch("updateTree", {
       data: {
         name: values.name,
         desc: values.desc || undefined,
+        export: values.export,
       },
     } as EditTree);
   };
@@ -68,6 +67,9 @@ const TreeInspector: FC = () => {
           <Form.Item name="desc" label={t("tree.desc")}>
             <TextArea autoSize onBlur={form.submit} />
           </Form.Item>
+          <Form.Item name="export" label={t("tree.export")} valuePropName="checked">
+            <Switch onChange={() => form.submit()} />
+          </Form.Item>
         </Form>
       </div>
     </>
diff --git a/src/contexts/workspace-context.ts b/src/contexts/workspace-context.ts
index 665d618..80d3db5 100644
--- a/src/contexts/workspace-context.ts
+++ b/src/contexts/workspace-context.ts
@@ -11,6 +11,7 @@ import React from "react";
 import { create } from "zustand";
 import { useSetting } from "./setting-context";
 import { ipcRenderer } from "electron";
+import { Editor } from "../components/editor";
 
 let buildDir: string | undefined;
 
@@ -42,6 +43,7 @@ export class EditorStore {
   path: string;
   data: TreeGraphData;
   desc: string;
+  export: boolean;
   name: string;
 
   autoId: number = 1;
@@ -66,6 +68,7 @@ export class EditorStore {
     const file = readJson(path) as TreeModel;
     this.data = b3util.createTreeData(file.root);
     this.desc = file.desc ?? "";
+    this.export = file.export !== false;
     this.name = file.name || path.slice(0, -5);
     this.autoId = b3util.refreshTreeDataId(this.data);
     this.historyStack.push(b3util.createNode(this.data));
@@ -153,7 +156,7 @@ export type WorkspaceStore = {
 
   // edit tree
   editingTree?: EditTree | null;
-  onEditingTree: (tree: EditTree | null) => void;
+  onEditingTree: (editor: EditorStore) => void;
 
   // node setting
   nodeDefs: Map<string, NodeDef>;
@@ -275,8 +278,12 @@ export const useWorkspace = create<WorkspaceStore>((set, get) => ({
         let hasError = false;
         workspace.allFiles.forEach((file) => {
           const buildpath = buildDir + "/" + workspace.relative(file.path);
-          console.log("build:", buildpath);
           const treeModel = b3util.createBuildData(file.path);
+          if (treeModel && treeModel.export === false) {
+            console.log("skip:", buildpath);
+            return;
+          }
+          console.log("build:", buildpath);
           if (!b3util.checkNodeData(treeModel?.root)) {
             hasError = true;
           }
@@ -396,15 +403,7 @@ export const useWorkspace = create<WorkspaceStore>((set, get) => ({
       if (editor.editNode) {
         workspace.onEditingNode(editor.editNode);
       } else {
-        set({
-          editingTree: {
-            data: {
-              name: editor.name,
-              desc: editor.desc,
-              root: null!,
-            },
-          },
-        });
+        workspace.onEditingTree(editor);
       }
     } else {
       set({ editingNode: null, editingTree: null });
@@ -556,12 +555,23 @@ export const useWorkspace = create<WorkspaceStore>((set, get) => ({
   },
 
   // tree edit
-  onEditingTree: (tree) => {
+  onEditingTree: (editor) => {
     const workspace = get();
     if (workspace.editing) {
       workspace.editing.editNode = null;
     }
-    set({ editingTree: tree, editingNodeDef: null, editingNode: null });
+    set({
+      editingTree: {
+        data: {
+          name: editor.name,
+          desc: editor.desc,
+          export: editor.export,
+          root: null!,
+        },
+      },
+      editingNodeDef: null,
+      editingNode: null,
+    });
   },
 
   // node def
diff --git a/src/misc/b3type.ts b/src/misc/b3type.ts
index 0e9e579..a06af44 100644
--- a/src/misc/b3type.ts
+++ b/src/misc/b3type.ts
@@ -43,6 +43,7 @@ export interface NodeModel {
 export interface TreeModel {
   name: string;
   desc?: string;
+  export?: boolean;
   root: NodeModel;
 }