diff --git a/examples/routers/input.vue b/examples/routers/input.vue
index a6d10646..f8b4472b 100644
--- a/examples/routers/input.vue
+++ b/examples/routers/input.vue
@@ -1,6 +1,6 @@
 <template>
     <div style="width: 100px;">
-        <Input v-model="value1" size="large" placeholder="large size"></Input>
+        <Input autocomplete="on" v-model="value1" size="large" placeholder="large size"></Input>
         <br>
         <Input v-model="value2" placeholder="default size"></Input>
         <br>
diff --git a/src/components/input/input.vue b/src/components/input/input.vue
index a1ce7a60..43d5ae36 100644
--- a/src/components/input/input.vue
+++ b/src/components/input/input.vue
@@ -115,7 +115,9 @@
                 default: false
             },
             autocomplete: {
-                type: String,
+                validator (value) {
+                    return oneOf(value, ['on', 'off']);
+                },
                 default: 'off'
             }
         },