chore: fix datetime-picker test cases

src/datetime-picker/README.zh-CN.md

@@ -6,7 +6,7 @@
 
 ### 引入
 
-``` javascript
+```javascript
 import Vue from 'vue';
 import { DatetimePicker } from 'vant';
 
@@ -30,10 +30,8 @@ Vue.use(DatetimePicker);
 export default {
   data() {
     return {
-      minHour: 10,
-      maxHour: 20,
-      minDate: new Date(),
-      maxDate: new Date(2019, 10, 1),
+      minDate: new Date(2020, 0, 1),
+      maxDate: new Date(2025, 10, 1),
       currentDate: new Date()
     };
   }
@@ -47,6 +45,7 @@ export default {
   v-model="currentDate"
   type="date"
   :min-date="minDate"
+  :max-date="maxDate"
 />
 ```
 
@@ -54,10 +53,12 @@ export default {
 export default {
   data() {
     return {
+      minDate: new Date(2020, 0, 1),
+      maxDate: new Date(2025, 10, 1),
       currentDate: new Date()
     };
   }
-}
+};
 ```
 
 ### 选择日期（年月）
@@ -69,6 +70,7 @@ export default {
   v-model="currentDate"
   type="year-month"
   :min-date="minDate"
+  :max-date="maxDate"
   :formatter="formatter"
 />
 ```
@@ -77,6 +79,8 @@ export default {
 export default {
   data() {
     return {
+      minDate: new Date(2020, 0, 1),
+      maxDate: new Date(2025, 10, 1),
       currentDate: new Date()
     };
   },
@@ -112,7 +116,7 @@ export default {
       currentTime: '12:00'
     };
   }
-}
+};
 ```
 
 ### 选项过滤器
@@ -138,13 +142,13 @@ export default {
   methods: {
     filter(type, options) {
       if (type === 'minute') {
-        return options.filter(option => option % 5 === 0)
+        return options.filter(option => option % 5 === 0);
       }
 
       return options;
     }
   }
-}
+};
 ```
 
 ## API