diff --git a/docs/examples-docs/datetime-picker.md b/docs/examples-docs/datetime-picker.md
index 3f122139d..dd4973ea6 100644
--- a/docs/examples-docs/datetime-picker.md
+++ b/docs/examples-docs/datetime-picker.md
@@ -5,15 +5,16 @@ export default {
       minHour: 10,
       maxHour: 20,
       minDate: new Date(),
-      currentDate1: null,
+      maxDate: new Date(2019, 10, 1),
+      currentDate1: new Date(2018, 0, 1),
       currentDate2: null,
       currentDate3: null
     };
   },
 
   methods: {
-    handlePickerChange(picker, values) {
-      console.log(values);
+    handlePickerChange(picker) {
+      console.log(picker);
     },
     handlePickerCancel() {
       console.log('picker cancel');
@@ -43,10 +44,10 @@ Vue.component(DatetimePicker.name, DatetimePicker);
 <van-datetime-picker
   v-model="currentDate1"
   type="datetime"
-  format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
   :max-hour="maxHour"
   :min-date="minDate"
+  :max-date="maxDate"
   @change="handlePickerChange">  
 </van-datetime-picker>
 
@@ -57,13 +58,14 @@ export default {
       minHour: 10,
       maxHour: 20,
       minDate: new Date(),
-      currentDate: null
+      maxDate: new Date(2019, 10, 1),
+      currentDate: new Date(2018, 0, 1)
     };
   },
 
   methods: {
-    handlePickerChange(picker, values) {
-      picker.setColumnValues(1, citys[values[0]]);
+    handlePickerChange(picker) {
+      console.log(picker);
     }
   }
 };
@@ -78,7 +80,6 @@ export default {
 <van-datetime-picker
   v-model="currentDate2"
   type="date"
-  format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
   :max-hour="maxHour"
   :min-date="minDate"
@@ -94,7 +95,6 @@ export default {
 <van-datetime-picker
   v-model="currentDate3"
   type="time"
-  format="yyyy.mm.dd hh时 mm分"
   :min-hour="minHour"
   :max-hour="maxHour"
   :min-date="minDate"
@@ -109,19 +109,11 @@ export default {
 | 参数       | 说明      | 类型       | 默认值       | 可选值       |
 |-----------|-----------|-----------|-------------|-------------|
 | visibileColumnCount | 每一列可见备选元素的个数 | Number  | 5 |   |
-| itemHeight | 选中元素区高度 | Number  | 44 |   |
-| columns | 对象数组，配置每一列显示的数据 | Array  |  |   |
-| showToolbar | 是否在组件顶部显示一个toolbar | Boolean  | true |   |
-
-### columns
-
-`API`中的`columns`为一个对象数组，数组中的每一个对象配置每一列，每一列有以下`key`：
-
-| key       | 说明      |
-|-----------|-----------|
-| values | 列中对应的备选值 |
-| defaultIndex | 初始选中值的索引，默认为0 |
-| className | 为对应列添加特殊的`class` |
+| type | 组件类型 | String  | 'datetime' |  'datetime', 'date', 'time' |
+| minDate | 可选的最小日期 | Date  | 十年前的 1 月 1 日 |   |
+| maxDate | 可选的最大日期 | Date  | 十年后的 12 月 31 日 |   |
+| minHour | 可选的最小小时 | Number  | 0 |   |
+| maxHour | 可选的最大小时 | Number  | 23 |   |
 
 ### Event
 
diff --git a/packages/datetime-picker/index.vue b/packages/datetime-picker/index.vue
index 34edb6c8d..75d521a17 100644
--- a/packages/datetime-picker/index.vue
+++ b/packages/datetime-picker/index.vue
@@ -285,6 +285,10 @@ export default {
       }
       [].forEach.call(this.$refs.picker.$children, child => child.doOnValueChange());
     }
+  },
+
+  mounted() {
+    this.updateColumnValue(this.innerValue);
   }
 };
 </script>