diff --git a/docs/notes/theme/guide/chart/echarts.md b/docs/notes/theme/guide/chart/echarts.md
index 9194f007..553afd5c 100644
--- a/docs/notes/theme/guide/chart/echarts.md
+++ b/docs/notes/theme/guide/chart/echarts.md
@@ -64,7 +64,7 @@ export default defineUserConfig({
 
 如果你需要通过脚本来获取数据，你可以使用 js 和 javascript 的代码块。
 
-我们将通过 `myChart` 变量暴露 Echarts 实例，并且你应该将 Echart 配置赋值给 `option` 变量。
+我们将通过 `echarts` 变量暴露 Echarts 实例，并且你应该将 Echart 配置赋值给 `option` 变量。
 同时，你也可以赋值 `width` 和 `height` 来设置图表大小。
 
 ````md
diff --git a/docs/notes/theme/snippet/echarts-1.snippet.md b/docs/notes/theme/snippet/echarts-1.snippet.md
index 02e104dc..8adf2cd8 100644
--- a/docs/notes/theme/snippet/echarts-1.snippet.md
+++ b/docs/notes/theme/snippet/echarts-1.snippet.md
@@ -81,14 +81,14 @@ const option = {
   ],
 }
 const timeId = setInterval(() => {
-  if (myChart._disposed)
+  if (echarts._disposed)
     return clearInterval(timeId)
 
   for (let i = 0; i < 5; i++) {
     data.shift()
     data.push(randomData())
   }
-  myChart.setOption({
+  echarts.setOption({
     series: [
       {
         data,
diff --git a/docs/notes/theme/snippet/echarts-2.snippet.md b/docs/notes/theme/snippet/echarts-2.snippet.md
index 2b89c71a..3513fb73 100644
--- a/docs/notes/theme/snippet/echarts-2.snippet.md
+++ b/docs/notes/theme/snippet/echarts-2.snippet.md
@@ -60,13 +60,13 @@ function run() {
   for (let i = 0; i < data.length; i++)
     data[i] += Math.round(Math.random() * Math.random() > 0.9 ? 2000 : 200)
 
-  myChart.setOption({
+  echarts.setOption({
     series: [{ type: 'bar', data }],
   })
 }
 
 const timeId = setInterval(() => {
-  if (myChart._disposed)
+  if (echarts._disposed)
     return clearInterval(timeId)
 
   run()