docs: fix image demo

src/form/demo/FieldTypeArea.vue

@@ -1,10 +1,10 @@
 <template>
   <van-field
+    v-model="value"
     readonly
     clickable
     name="area"
     :label="t('picker')"
-    :model-value="value"
     :placeholder="t('placeholder')"
     @click="showArea = true"
   />

src/form/demo/FieldTypeCalendar.vue

@@ -1,10 +1,10 @@
 <template>
   <van-field
+    v-model="value"
     readonly
     clickable
     name="calendar"
     :label="t('calendar')"
-    :model-value="value"
     :placeholder="t('placeholder')"
     @click="showCalendar = true"
   />

src/form/demo/FieldTypeDatetimePicker.vue

@@ -1,10 +1,10 @@
 <template>
   <van-field
+    v-model="value"
     readonly
     clickable
     name="datetimePicker"
     :label="t('label')"
-    :model-value="value"
     :placeholder="t('placeholder')"
     @click="showPicker = true"
   />

src/form/demo/FieldTypePicker.vue

@@ -1,10 +1,10 @@
 <template>
   <van-field
+    v-model="value"
     readonly
     clickable
     name="picker"
     :label="t('picker')"
-    :model-value="value"
     :placeholder="t('placeholder')"
     @click="showPicker = true"
   />

src/image/demo/index.vue

@@ -1,21 +1,9 @@
 <template>
-  <img
+  <demo-block :title="t('basicUsage')">
-    v-if="lazyLoad"
+    <van-row>
-    v-lazy="src"
+      <van-image width="100" height="100" :src="image" />
-    ref="imageRef"
+    </van-row>
-    :alt="alt"
+  </demo-block>
-    :class="bem('image')"
-    :style="{ objectFit: fit }"
-  />;
-  <img
-    v-else
-    :src="src"
-    :alt="alt"
-    :class="bem('image')"
-    :style="{ objectFit: fit }"
-    @load="onLoad"
-    @error="onError"
-  />
 
   <demo-block :title="t('fitMode')">
     <van-row gutter="20">

src/number-keyboard/demo/index.vue

@@ -15,10 +15,10 @@
     {{ t('button5') }}
   </van-cell>
   <van-field
+    v-model="value"
     readonly
     clickable
     :label="t('bindValue')"
-    :model-value="value"
     :placeholder="t('clickToInput')"
     @touchstart.stop="keyboard = 'bindValue'"
   />