diff --git a/public/locales/en.json b/public/locales/en.json
index fc809e8..ac67896 100644
--- a/public/locales/en.json
+++ b/public/locales/en.json
@@ -103,6 +103,7 @@
   "node.editSubtreeDenied": "Unable to edit the subtree node",
   "node.id": "Node id",
   "node.inputVariable": "Input variables",
+  "node.invalidGroup": "Node group '{{group}}' is not enabled",
   "node.invalidValue": "Invalid value",
   "node.invalidVariableName": "Invalid variable name, should start with a letter or underscore",
   "node.name": "Node name",
diff --git a/public/locales/zh.json b/public/locales/zh.json
index 18e0bc4..be9c5c5 100644
--- a/public/locales/zh.json
+++ b/public/locales/zh.json
@@ -103,6 +103,7 @@
   "node.editSubtreeDenied": "不能编辑子树节点",
   "node.id": "节点标识",
   "node.inputVariable": "输入变量",
+  "node.invalidGroup": "节点分组 “{{group}}” 未启用",
   "node.invalidValue": "无效的值",
   "node.invalidVariableName": "变量名必须以字母或下划线开头",
   "node.name": "节点名称",
diff --git a/sample/vars/test-vars.json b/sample/vars/test-vars.json
index 9e4587b..81ef870 100644
--- a/sample/vars/test-vars.json
+++ b/sample/vars/test-vars.json
@@ -48,6 +48,13 @@
         "args": {
           "value": "target.x > 0"
         }
+      },
+      {
+        "id": 7,
+        "name": "MoveToTarget",
+        "input": [
+          "target"
+        ]
       }
     ]
   }
diff --git a/src/behavior3 b/src/behavior3
index db1e136..ca44652 160000
--- a/src/behavior3
+++ b/src/behavior3
@@ -1 +1 @@
-Subproject commit db1e1369ca48d572210ed2b3a912e62b7cf77737
+Subproject commit ca446528bd715eb250a6f32d94bcf8af0d4d5c12
diff --git a/src/components/editor.tsx b/src/components/editor.tsx
index 1b2000f..672f438 100644
--- a/src/components/editor.tsx
+++ b/src/components/editor.tsx
@@ -495,6 +495,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
       editor.desc = editTree.data.desc || "";
       editor.export = editTree.data.export !== false;
       editor.group = editTree.data.group || [];
+      b3util.updateUsingGroups(editor.group);
       if (editor.data.firstid !== editTree.data.firstid) {
         editor.firstid = editTree.data.firstid ?? 1;
         editor.declare.vars = editTree.data.declare.vars || [];
@@ -1205,6 +1206,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
   useEffect(() => {
     if (workspace.editing === editor) {
       checkSubtree();
+      b3util.updateUsingGroups(editor.group);
     }
   }, [workspace.editing]);
 
diff --git a/src/components/inspector.tsx b/src/components/inspector.tsx
index 5bfa45f..a8adc8c 100644
--- a/src/components/inspector.tsx
+++ b/src/components/inspector.tsx
@@ -43,6 +43,7 @@ import {
   isValidVariableName,
   isVariadic,
   loadVarDef,
+  usingGroups,
 } from "../misc/b3util";
 import { Hotkey, isMacos } from "../misc/keys";
 import { mergeClassNames } from "../misc/util";
@@ -746,7 +747,20 @@ const NodeInspector: FC = () => {
           <Form.Item name="id" label={t("node.id")}>
             <Input disabled={true} />
           </Form.Item>
-          <Form.Item name="type" label={t("node.type")}>
+          <Form.Item
+            name="type"
+            label={t("node.type")}
+            rules={[
+              {
+                validator() {
+                  if (def.group && !usingGroups[def.group]) {
+                    return Promise.reject(new Error(t("node.invalidGroup", { group: def.group })));
+                  }
+                  return Promise.resolve();
+                },
+              },
+            ]}
+          >
             <Input disabled={true} />
           </Form.Item>
           <Form.Item name="children" label={t("node.children")}>
diff --git a/src/components/register-node.ts b/src/components/register-node.ts
index 486747d..0a59ecd 100644
--- a/src/components/register-node.ts
+++ b/src/components/register-node.ts
@@ -1,7 +1,7 @@
 import G6 from "@antv/g6";
 import { useWorkspace } from "../contexts/workspace-context";
 import { TreeGraphData, getNodeType } from "../misc/b3type";
-import { checkTreeData, getNodeDefs } from "../misc/b3util";
+import { checkTreeData, nodeDefs, usingGroups } from "../misc/b3util";
 import i18n from "../misc/i18n";
 import { isMacos } from "../misc/keys";
 
@@ -142,14 +142,14 @@ G6.registerNode(
     },
     draw(cfg, group) {
       const data = cfg as TreeGraphData;
-      const nodeDefs = getNodeDefs();
       const nodeDef = nodeDefs.get(data.name);
       let classify = getNodeType(nodeDef);
       let color = nodeDef.color || NODE_COLORS[classify] || NODE_COLORS["Other"];
       if (
         !nodeDefs.has(data.name) ||
         (data.path && !data.children?.length) ||
-        !checkTreeData(data)
+        !checkTreeData(data) ||
+        (nodeDef.group && !usingGroups[nodeDef.group])
       ) {
         classify = "Error";
         color = NODE_COLORS[classify];
diff --git a/src/contexts/workspace-context.ts b/src/contexts/workspace-context.ts
index faea9f9..5cbe345 100644
--- a/src/contexts/workspace-context.ts
+++ b/src/contexts/workspace-context.ts
@@ -651,7 +651,7 @@ export const useWorkspace = create<WorkspaceStore>((set, get) => ({
   loadNodeDefs: () => {
     const workspace = get();
     b3util.initWorkdir(workspace.workdir, message.error.bind(message));
-    set({ nodeDefs: b3util.getNodeDefs(), groupDefs: b3util.getGroupDefs() });
+    set({ nodeDefs: b3util.nodeDefs, groupDefs: b3util.groupDefs });
     workspace.editing?.dispatch("refresh");
   },
 
diff --git a/src/misc/b3util.ts b/src/misc/b3util.ts
index 7980b97..ab51ce4 100644
--- a/src/misc/b3util.ts
+++ b/src/misc/b3util.ts
@@ -24,10 +24,14 @@ export class NodeDefs extends Map<string, NodeDef> {
   }
 }
 
+export let nodeDefs: NodeDefs = new NodeDefs();
+export let groupDefs: string[] = [];
+
+export let usingGroups: Record<string, boolean> = {};
+export let usingVars: Record<string, boolean> = {};
+
 let workdir: string = "";
 let alertError: (msg: string, duration?: number) => void = () => {};
-let nodeDefs: NodeDefs = new NodeDefs();
-let groupDefs: string[] = [];
 
 const unknownNodeDef: NodeDef = {
   name: "unknown",
@@ -35,14 +39,6 @@ const unknownNodeDef: NodeDef = {
   type: "Action",
 };
 
-export const getNodeDefs = () => {
-  return nodeDefs;
-};
-
-export const getGroupDefs = () => {
-  return groupDefs;
-};
-
 export const initWorkdir = (path: string, handler: typeof alertError) => {
   workdir = path;
   alertError = handler;
@@ -61,6 +57,20 @@ export const initWorkdir = (path: string, handler: typeof alertError) => {
   groupDefs = Array.from(groups);
 };
 
+export const updateUsingGroups = (group: string[]) => {
+  usingGroups = {};
+  for (const g of group) {
+    usingGroups[g] = true;
+  }
+};
+
+export const updateUsingVars = (vars: VarDef[]) => {
+  usingVars = {};
+  for (const v of vars) {
+    usingVars[v.name] = true;
+  }
+};
+
 export const isValidVariableName = (name: string) => {
   return /^[a-zA-Z_]/.test(name);
 };