diff --git a/web/src/pages/Doc/en/changelog/index.md b/web/src/pages/Doc/en/changelog/index.md
index a12e600f..569167c2 100644
--- a/web/src/pages/Doc/en/changelog/index.md
+++ b/web/src/pages/Doc/en/changelog/index.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.9.1-fix.1
+
+修复：
+
+1.修复自定义节点方法返回null时报错的问题。
+
+2.修复导出pdf文件体积很大的问题。
+
 ## 0.9.1
 
 Fix:
diff --git a/web/src/pages/Doc/en/changelog/index.vue b/web/src/pages/Doc/en/changelog/index.vue
index fca42dc8..051ee45b 100644
--- a/web/src/pages/Doc/en/changelog/index.vue
+++ b/web/src/pages/Doc/en/changelog/index.vue
@@ -1,6 +1,10 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.9.1-fix.1</h2>
+<p>修复：</p>
+<p>1.修复自定义节点方法返回null时报错的问题。</p>
+<p>2.修复导出pdf文件体积很大的问题。</p>
 <h2>0.9.1</h2>
 <p>Fix:</p>
 <blockquote>
diff --git a/web/src/pages/Doc/en/node/index.md b/web/src/pages/Doc/en/node/index.md
index 66ddd10d..e881c8e2 100644
--- a/web/src/pages/Doc/en/node/index.md
+++ b/web/src/pages/Doc/en/node/index.md
@@ -56,6 +56,16 @@ Whether the node is currently being dragged
 
 ## Methods
 
+### getPureData(removeActiveState = true, removeId = false)
+
+> v0.9.0+
+
+- `removeActiveState`：Is remove the activation status of the node
+
+- `removeId`：Is remove the uid of the node
+
+Serialize a node to obtain its pure data, excluding references to node instances.
+
 ### setGeneralizationOpacity(val)
 
 > v0.9.0+
diff --git a/web/src/pages/Doc/en/node/index.vue b/web/src/pages/Doc/en/node/index.vue
index 9c995052..45296250 100644
--- a/web/src/pages/Doc/en/node/index.vue
+++ b/web/src/pages/Doc/en/node/index.vue
@@ -31,6 +31,19 @@
 </blockquote>
 <p>Whether the node is currently being dragged</p>
 <h2>Methods</h2>
+<h3>getPureData(removeActiveState = true, removeId = false)</h3>
+<blockquote>
+<p>v0.9.0+</p>
+</blockquote>
+<ul>
+<li>
+<p><code>removeActiveState</code>：Is remove the activation status of the node</p>
+</li>
+<li>
+<p><code>removeId</code>：Is remove the uid of the node</p>
+</li>
+</ul>
+<p>Serialize a node to obtain its pure data, excluding references to node instances.</p>
 <h3>setGeneralizationOpacity(val)</h3>
 <blockquote>
 <p>v0.9.0+</p>
diff --git a/web/src/pages/Doc/zh/changelog/index.md b/web/src/pages/Doc/zh/changelog/index.md
index e520746a..004652fc 100644
--- a/web/src/pages/Doc/zh/changelog/index.md
+++ b/web/src/pages/Doc/zh/changelog/index.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.9.1-fix.1
+
+修复：
+
+1.修复自定义节点方法返回null时报错的问题。
+
+2.修复导出pdf文件体积很大的问题。
+
 ## 0.9.1
 
 修复：
diff --git a/web/src/pages/Doc/zh/changelog/index.vue b/web/src/pages/Doc/zh/changelog/index.vue
index 69e4c1fe..e6951255 100644
--- a/web/src/pages/Doc/zh/changelog/index.vue
+++ b/web/src/pages/Doc/zh/changelog/index.vue
@@ -1,6 +1,10 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.9.1-fix.1</h2>
+<p>修复：</p>
+<p>1.修复自定义节点方法返回null时报错的问题。</p>
+<p>2.修复导出pdf文件体积很大的问题。</p>
 <h2>0.9.1</h2>
 <p>修复：</p>
 <blockquote>
diff --git a/web/src/pages/Doc/zh/node/index.md b/web/src/pages/Doc/zh/node/index.md
index b42024c9..7902db92 100644
--- a/web/src/pages/Doc/zh/node/index.md
+++ b/web/src/pages/Doc/zh/node/index.md
@@ -56,6 +56,16 @@
 
 ## 方法
 
+### getPureData(removeActiveState = true, removeId = false)
+
+> v0.9.0+
+
+- `removeActiveState`：是否移除节点的激活状态
+
+- `removeId`：是否移除节点的uid字段
+
+序列化节点，获取该节点的纯数据，不包含对节点实例的引用。
+
 ### setGeneralizationOpacity(val)
 
 > v0.9.0+
diff --git a/web/src/pages/Doc/zh/node/index.vue b/web/src/pages/Doc/zh/node/index.vue
index 3fe9b996..7e6abc07 100644
--- a/web/src/pages/Doc/zh/node/index.vue
+++ b/web/src/pages/Doc/zh/node/index.vue
@@ -31,6 +31,19 @@
 </blockquote>
 <p>节点是否正在拖拽中</p>
 <h2>方法</h2>
+<h3>getPureData(removeActiveState = true, removeId = false)</h3>
+<blockquote>
+<p>v0.9.0+</p>
+</blockquote>
+<ul>
+<li>
+<p><code>removeActiveState</code>：是否移除节点的激活状态</p>
+</li>
+<li>
+<p><code>removeId</code>：是否移除节点的uid字段</p>
+</li>
+</ul>
+<p>序列化节点，获取该节点的纯数据，不包含对节点实例的引用。</p>
 <h3>setGeneralizationOpacity(val)</h3>
 <blockquote>
 <p>v0.9.0+</p>