diff --git a/simple-mind-map/src/core/render/Render.js b/simple-mind-map/src/core/render/Render.js
index a82027df..e08c32c6 100644
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@@ -33,6 +33,7 @@ import {
   formatGetNodeGeneralization,
   sortNodeList,
   throttle,
+  debounce,
   checkClipboardReadEnable,
   isNodeNotNeedRenderData
 } from '../../utils'
@@ -161,7 +162,7 @@ class Render {
       this.mindMap.on('view_data_change', onViewDataChange)
     }
     // 文本编辑时实时更新节点大小
-    this.onNodeTextEditChange = this.onNodeTextEditChange.bind(this)
+    this.onNodeTextEditChange = debounce(this.onNodeTextEditChange, 100, this)
     if (openRealtimeRenderOnNodeTextEdit) {
       this.mindMap.on('node_text_edit_change', this.onNodeTextEditChange)
     }
diff --git a/simple-mind-map/src/utils/index.js b/simple-mind-map/src/utils/index.js
index 33d817af..b9a3ed9f 100644
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -290,6 +290,21 @@ export const throttle = (fn, time = 300, ctx) => {
   }
 }
 
+// 防抖函数
+export const debounce = (fn, wait = 300, ctx) => {
+  let timeout = null
+
+  return (...args) => {
+    if (timeout) clearTimeout(timeout)
+    const callNow = !timeout
+    timeout = setTimeout(() => {
+      timeout = null
+      fn.apply(ctx, args)
+    }, wait)
+    if (callNow) fn.apply(ctx, args)
+  }
+}
+
 //  异步执行任务队列
 export const asyncRun = (taskList, callback = () => {}) => {
   let index = 0