diff --git a/simple-mind-map/index.js b/simple-mind-map/index.js
index 23db2ceb..b1a75161 100644
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -10,7 +10,6 @@ import BatchExecution from './src/utils/BatchExecution'
 import {
   layoutValueList,
   CONSTANTS,
-  commonCaches,
   ERROR_TYPES,
   cssContent
 } from './src/constants/constant'
@@ -228,19 +227,10 @@ class MindMap {
 
   // 初始化缓存数据
   initCache() {
-    Object.keys(commonCaches).forEach(key => {
-      let type = getType(commonCaches[key])
-      let value = ''
-      switch (type) {
-        case 'Boolean':
-          value = false
-          break
-        default:
-          value = null
-          break
-      }
-      commonCaches[key] = value
-    })
+    this.commonCaches = {
+      measureCustomNodeContentSizeEl: null,
+      measureRichtextNodeTextSizeEl: null
+    }
   }
 
   //  设置主题
diff --git a/simple-mind-map/src/constants/constant.js b/simple-mind-map/src/constants/constant.js
index 6778376e..b4b227d3 100644
--- a/simple-mind-map/src/constants/constant.js
+++ b/simple-mind-map/src/constants/constant.js
@@ -317,12 +317,6 @@ export const nodeDataNoStylePropList = [
   'attachmentName'
 ]
 
-// 数据缓存
-export const commonCaches = {
-  measureCustomNodeContentSizeEl: null,
-  measureRichtextNodeTextSizeEl: null
-}
-
 // 错误类型
 export const ERROR_TYPES = {
   READ_CLIPBOARD_ERROR: 'read_clipboard_error',
diff --git a/simple-mind-map/src/core/render/node/nodeCreateContents.js b/simple-mind-map/src/core/render/node/nodeCreateContents.js
index 20fda808..cd2dd183 100644
--- a/simple-mind-map/src/core/render/node/nodeCreateContents.js
+++ b/simple-mind-map/src/core/render/node/nodeCreateContents.js
@@ -16,7 +16,7 @@ import {
   ForeignObject
 } from '@svgdotjs/svg.js'
 import iconsSvg from '../../../svg/icons'
-import { CONSTANTS, commonCaches } from '../../../constants/constant'
+import { CONSTANTS } from '../../../constants/constant'
 
 //  创建图片节点
 function createImgNode() {
@@ -149,13 +149,13 @@ function createRichTextNode() {
     })
   }
   let html = `<div>${this.getData('text')}</div>`
-  if (!commonCaches.measureRichtextNodeTextSizeEl) {
-    commonCaches.measureRichtextNodeTextSizeEl = document.createElement('div')
-    commonCaches.measureRichtextNodeTextSizeEl.style.position = 'fixed'
-    commonCaches.measureRichtextNodeTextSizeEl.style.left = '-999999px'
-    this.mindMap.el.appendChild(commonCaches.measureRichtextNodeTextSizeEl)
+  if (!this.mindMap.commonCaches.measureRichtextNodeTextSizeEl) {
+    this.mindMap.commonCaches.measureRichtextNodeTextSizeEl = document.createElement('div')
+    this.mindMap.commonCaches.measureRichtextNodeTextSizeEl.style.position = 'fixed'
+    this.mindMap.commonCaches.measureRichtextNodeTextSizeEl.style.left = '-999999px'
+    this.mindMap.el.appendChild(this.mindMap.commonCaches.measureRichtextNodeTextSizeEl)
   }
-  let div = commonCaches.measureRichtextNodeTextSizeEl
+  let div = this.mindMap.commonCaches.measureRichtextNodeTextSizeEl
   div.innerHTML = html
   let el = div.children[0]
   el.classList.add('smm-richtext-node-wrap')
@@ -413,18 +413,18 @@ function getNoteContentPosition() {
 
 // 测量自定义节点内容元素的宽高
 function measureCustomNodeContentSize(content) {
-  if (!commonCaches.measureCustomNodeContentSizeEl) {
-    commonCaches.measureCustomNodeContentSizeEl = document.createElement('div')
-    commonCaches.measureCustomNodeContentSizeEl.style.cssText = `
+  if (!this.mindMap.commonCaches.measureCustomNodeContentSizeEl) {
+    this.mindMap.commonCaches.measureCustomNodeContentSizeEl = document.createElement('div')
+    this.mindMap.commonCaches.measureCustomNodeContentSizeEl.style.cssText = `
       position: fixed;
       left: -99999px;
       top: -99999px;
     `
-    this.mindMap.el.appendChild(commonCaches.measureCustomNodeContentSizeEl)
+    this.mindMap.el.appendChild(this.mindMap.commonCaches.measureCustomNodeContentSizeEl)
   }
-  commonCaches.measureCustomNodeContentSizeEl.innerHTML = ''
-  commonCaches.measureCustomNodeContentSizeEl.appendChild(content)
-  let rect = commonCaches.measureCustomNodeContentSizeEl.getBoundingClientRect()
+  this.mindMap.commonCaches.measureCustomNodeContentSizeEl.innerHTML = ''
+  this.mindMap.commonCaches.measureCustomNodeContentSizeEl.appendChild(content)
+  let rect = this.mindMap.commonCaches.measureCustomNodeContentSizeEl.getBoundingClientRect()
   return {
     width: rect.width,
     height: rect.height