diff --git a/src/main/java/com/example/jxbrowser/Demo.java b/src/main/java/com/example/jxbrowser/Demo.java
index ff80164..99e8c00 100644
--- a/src/main/java/com/example/jxbrowser/Demo.java
+++ b/src/main/java/com/example/jxbrowser/Demo.java
@@ -156,6 +156,7 @@ public class Demo {
 
         sleep(3);
 
+        // 设置input
         DOMDocument document = browser.getDocument();
         document.findElement(By.className("el-input__inner")).setAttribute("value", "1");
     }