diff --git a/packages/checkbox/doc/basic.vue b/packages/checkbox/doc/basic.vue
index 3a97684548..c85949fdbc 100644
--- a/packages/checkbox/doc/basic.vue
+++ b/packages/checkbox/doc/basic.vue
@@ -4,7 +4,7 @@
     <el-checkbox v-model="checked1" disabled>{{ checked1 }}</el-checkbox>
     <el-checkbox v-model="checked2" disabled>{{ checked2 }}</el-checkbox>
     <el-checkbox v-model="checked1" label="A" border />
-    <el-checkbox v-model="checked2" label="B" border />
+    <el-checkbox v-model="checked2" border />
 
     <el-checkbox-group v-model="checkList">
       <el-checkbox label="A" />
diff --git a/packages/checkbox/src/checkbox.vue b/packages/checkbox/src/checkbox.vue
index 26c1bde1c1..53ba3b3913 100644
--- a/packages/checkbox/src/checkbox.vue
+++ b/packages/checkbox/src/checkbox.vue
@@ -77,7 +77,7 @@ export default defineComponent({
     },
     label: {
       type: [Object, Boolean, String],
-      default: () => ({}),
+      default: ' ',
     },
     indeterminate: Boolean,
     disabled: Boolean,