diff --git a/src/index.js b/src/index.js
index efa07b2..eb3ed7d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -56,7 +56,7 @@ export class Component extends HTMLElement {
           return
         }
         this[key] = value
-        this.#requestUpdate(name, oldValue)
+        this.$requestUpdate(name, oldValue)
         if (options.observer) {
           options.observer.call(this, value, oldValue)
         }
@@ -203,9 +203,11 @@ export class Component extends HTMLElement {
   }
 
   // 请求更新
-  #requestUpdate(name, oldValue) {
-    this[__changed_props__].set(name, this[name])
-    this[__prop2attr__](name, this[name])
+  $requestUpdate(name, oldValue) {
+    if (name !== void 0) {
+      this[__changed_props__].set(name, this[name])
+      this[__prop2attr__](name, this[name])
+    }
 
     if (this[__pending__] === false) {
       this[__pending__] = true
diff --git a/src/utils.js b/src/utils.js
index d24a5f7..02c8848 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -4,6 +4,8 @@
  * @date 2023/03/07 22:11:30
  */
 
+function noop() {}
+
 export function $(selector, container) {
   if (container) {
     return container.querySelector(selector)