diff --git a/package.json b/package.json
index 727573a..b05fcd6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wkit",
-  "version": "1.11.0",
+  "version": "1.11.1",
   "type": "module",
   "description": "A library for building fast, lightweight web components.",
   "main": "dist/index.js",
diff --git a/src/index.js b/src/index.js
index c110ec4..c1a92ce 100644
--- a/src/index.js
+++ b/src/index.js
@@ -31,6 +31,14 @@ export {
 } from './utils.js'
 export { html, raw, css, svg, bind, unbind, nextTick, fire, hyphen, camelize }
 
+function safely(callback, ...args) {
+  try {
+    callback && callback.apply(this, args)
+  } catch (err) {
+    console.error(err)
+  }
+}
+
 // 简单的类名解析
 export function classMap(data = {}) {
   let output = ''
@@ -196,9 +204,7 @@ export class Component extends HTMLElement {
           }
           this[key] = value
           this.$requestUpdate(name)
-          if (options.observer) {
-            options.observer.call(this, value, oldValue)
-          }
+          safely.call(this, options.observer, value, oldValue)
         }
       }
       this[key] = options.default
@@ -225,10 +231,7 @@ export class Component extends HTMLElement {
         Reflect.set(target, prop, value, receiver)
 
         this.$requestUpdate(key)
-
-        if (options.observer) {
-          options.observer.call(this, value, oldValue)
-        }
+        safely.call(this, options.observer, value, oldValue)
         return true
       }
     })