diff --git a/index.html b/index.html
index cdc64b40..0eceb4a6 100644
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d20ec02.81d632f4.js" rel="prefetch"><link href="dist/js/chunk-2d216b67.228f2009.js" rel="prefetch"><link href="dist/js/chunk-e86f1494.f8dd20e2.js" rel="prefetch"><link href="dist/css/app.25c60b6e.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.6fd71983.css" rel="preload" as="style"><link href="dist/js/app.c89d5240.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.54c023de.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.6fd71983.css" rel="stylesheet"><link href="dist/css/app.25c60b6e.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.54c023de.js"></script><script src="dist/js/app.c89d5240.js"></script></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d20ec02.81d632f4.js" rel="prefetch"><link href="dist/js/chunk-2d216b67.228f2009.js" rel="prefetch"><link href="dist/js/chunk-e86f1494.f8dd20e2.js" rel="prefetch"><link href="dist/css/app.ace0b797.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.6fd71983.css" rel="preload" as="style"><link href="dist/js/app.cd228baa.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.c38216ef.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.6fd71983.css" rel="stylesheet"><link href="dist/css/app.ace0b797.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.c38216ef.js"></script><script src="dist/js/app.cd228baa.js"></script></body></html>
\ No newline at end of file
diff --git a/web/src/pages/Edit/components/Toolbar.vue b/web/src/pages/Edit/components/Toolbar.vue
index 436c04c9..9e9b749c 100644
--- a/web/src/pages/Edit/components/Toolbar.vue
+++ b/web/src/pages/Edit/components/Toolbar.vue
@@ -106,7 +106,7 @@
         <div
           class="toolbarBtn"
           :class="{
-            disabled: activeNodes.length <= 0 || hasRoot,
+            disabled: activeNodes.length <= 0 || hasRoot || hasGeneralization,
           }"
           @click="$bus.$emit('execCommand', 'ADD_GENERALIZATION')"
         >
@@ -194,14 +194,14 @@ export default {
   },
   computed: {
     hasRoot() {
-      return this.activeNodes.find((node) => {
+      return this.activeNodes.findIndex((node) => {
         return node.isRoot;
-      });
+      }) !== -1;
     },
     hasGeneralization() {
-      return this.activeNodes.find((node) => {
+      return this.activeNodes.findIndex((node) => {
         return node.isGeneralization;
-      });
+      }) !== -1;;
     }
   },
   created() {
