diff --git a/en/application-dev/ui/ui-js-components-button.md b/en/application-dev/ui/ui-js-components-button.md
index 2a639b7f240f9da2d8651778104599e3856f2a41..e5e5e3e7ddedce19ec919589b54a9c6f368c16cc 100644
--- a/en/application-dev/ui/ui-js-components-button.md
+++ b/en/application-dev/ui/ui-js-components-button.md
@@ -141,7 +141,7 @@ export default {
     isPaused: true,
     intervalId : null,
   },
-  star(){
+  start(){
     this.intervalId = setInterval(()=>{
       if(this.percent <100){
         this.percent += 1;
@@ -166,7 +166,7 @@ export default {
       prompt.showToast({
         message: "Started Downloading"
       })
-      this.star();
+      this.start();
       this.isPaused = false;
     }else{
       prompt.showToast({