diff --git a/simple-mind-map/package.json b/simple-mind-map/package.json
index 709af8ef..68257368 100644
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-mind-map",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "一个简单的web在线思维导图",
   "authors": [
     {
diff --git a/web/src/pages/Doc/en/changelog/index.md b/web/src/pages/Doc/en/changelog/index.md
index 33c7528e..daad2b20 100644
--- a/web/src/pages/Doc/en/changelog/index.md
+++ b/web/src/pages/Doc/en/changelog/index.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.3.1
+
+Fix: 1.The problem that deleting the background image does not take effect; 2.The problem that the connector runs above the root node when the node is dragged to the root node.
+
+New: Add position and size settings for background image display.
+
 ## 0.3.0
 
 Upgrade to plugin architecture, pull out some non-core functions as plugins, register as needed, and reduce the overall volume.
diff --git a/web/src/pages/Doc/en/changelog/index.vue b/web/src/pages/Doc/en/changelog/index.vue
index b39a1135..a2a7cf30 100644
--- a/web/src/pages/Doc/en/changelog/index.vue
+++ b/web/src/pages/Doc/en/changelog/index.vue
@@ -1,6 +1,9 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.3.1</h2>
+<p>Fix: 1.The problem that deleting the background image does not take effect; 2.The problem that the connector runs above the root node when the node is dragged to the root node.</p>
+<p>New: Add position and size settings for background image display.</p>
 <h2>0.3.0</h2>
 <p>Upgrade to plugin architecture, pull out some non-core functions as plugins, register as needed, and reduce the overall volume.</p>
 <h2>0.2.24</h2>
diff --git a/web/src/pages/Doc/zh/changelog/index.md b/web/src/pages/Doc/zh/changelog/index.md
index f4821dff..aae6eb8b 100644
--- a/web/src/pages/Doc/zh/changelog/index.md
+++ b/web/src/pages/Doc/zh/changelog/index.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.3.1
+
+修复：1.删除背景图片不生效的问题；2.节点拖拽到根节点时连接线跑到根节点上方的问题。
+
+新增：背景图片展示增加位置和大小设置。
+
 ## 0.3.0
 
 升级为插件化架构，将一些非核心功能抽离出来作为插件，按需注册，减小整体体积。
diff --git a/web/src/pages/Doc/zh/changelog/index.vue b/web/src/pages/Doc/zh/changelog/index.vue
index 53864923..bf05a0a7 100644
--- a/web/src/pages/Doc/zh/changelog/index.vue
+++ b/web/src/pages/Doc/zh/changelog/index.vue
@@ -1,6 +1,9 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.3.1</h2>
+<p>修复：1.删除背景图片不生效的问题；2.节点拖拽到根节点时连接线跑到根节点上方的问题。</p>
+<p>新增：背景图片展示增加位置和大小设置。</p>
 <h2>0.3.0</h2>
 <p>升级为插件化架构，将一些非核心功能抽离出来作为插件，按需注册，减小整体体积。</p>
 <h2>0.2.24</h2>