diff --git a/docs/examples/checkbox.vue b/docs/examples/checkbox.vue
index 3f4e97252..5f1adfacb 100644
--- a/docs/examples/checkbox.vue
+++ b/docs/examples/checkbox.vue
@@ -12,6 +12,11 @@
     <zan-checkbox-group v-model="result">
       <zan-checkbox v-for="item in list" :name="item">复选框{{item}}</zan-checkbox>
     </zan-checkbox-group>
+
+    <h2 class="page-sub-title">禁用Checkbox组</h2>
+    <zan-checkbox-group v-model="result" disabled>
+      <zan-checkbox v-for="item in list" :name="item">复选框{{item}}</zan-checkbox>
+    </zan-checkbox-group>
   </div>  
 </template>
 
@@ -26,7 +31,7 @@ export default {
         'b',
         'c'
       ],
-      result: []
+      result: ['a', 'b']
     };
   },
 
diff --git a/docs/examples/radio.vue b/docs/examples/radio.vue
index c6e394595..28e79e31d 100644
--- a/docs/examples/radio.vue
+++ b/docs/examples/radio.vue
@@ -17,6 +17,12 @@
         <zan-radio name="2">单选框2</zan-radio>
       </zan-radio-group>
 
+      <h2 class="page-sub-title">禁用radio组</h2>
+      <zan-radio-group v-model="radio3" disabled>
+        <zan-radio name="1">单选框1</zan-radio>
+        <zan-radio name="2">单选框2</zan-radio>
+      </zan-radio-group>
+
       <h2 class="page-sub-title">与Cell组件一起使用</h2>
     </div>
 
diff --git a/packages/checkbox/src/checkbox.vue b/packages/checkbox/src/checkbox.vue
index 33cbce9b8..357cd25c6 100644
--- a/packages/checkbox/src/checkbox.vue
+++ b/packages/checkbox/src/checkbox.vue
@@ -67,6 +67,9 @@ export default {
       }
     },
 
+    /**
+     * `checkbox`是否被选中
+     */
     isChecked() {
       if ({}.toString.call(this.currentValue) === '[object Boolean]') {
         return this.currentValue;