diff --git a/web/src/pages/Doc/zh/course3/index.md b/web/src/pages/Doc/zh/course3/index.md
index 1f18c595..07856d1a 100644
--- a/web/src/pages/Doc/zh/course3/index.md
+++ b/web/src/pages/Doc/zh/course3/index.md
@@ -112,7 +112,7 @@ mindMap.execCommand('INSERT_NODE')
 插入多个同级节点可以执行`INSERT_MULTI_NODE`命令：
 
 ```js
-mindMap.execCommand('INSERT_NODE'. [], nodeList)
+mindMap.execCommand('INSERT_MULTI_NODE'. [], nodeList)
 ```
 
 `nodeList`是要插入的同级节点数据的数组，必传。
diff --git a/web/src/pages/Doc/zh/course3/index.vue b/web/src/pages/Doc/zh/course3/index.vue
index 5ade6f71..6f76e7b7 100644
--- a/web/src/pages/Doc/zh/course3/index.vue
+++ b/web/src/pages/Doc/zh/course3/index.vue
@@ -70,7 +70,7 @@ mindMap.execCommand(<span class="hljs-string">&#x27;INSERT_CHILD_NODE&#x27;</spa
 </code></pre>
 <h2>插入多个同级节点</h2>
 <p>插入多个同级节点可以执行<code>INSERT_MULTI_NODE</code>命令：</p>
-<pre class="hljs"><code>mindMap.execCommand(<span class="hljs-string">&#x27;INSERT_NODE&#x27;</span>. [], nodeList)
+<pre class="hljs"><code>mindMap.execCommand(<span class="hljs-string">&#x27;INSERT_MULTI_NODE&#x27;</span>. [], nodeList)
 </code></pre>
 <p><code>nodeList</code>是要插入的同级节点数据的数组，必传。</p>
 <h2>插入父节点</h2>