fix

 <!--
  * @Date: 2022-09-21 16:04:10
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2022-10-31 18:42:52
+ * @LastEditTime: 2022-11-02 11:44:47
  * @FilePath: /swx/src/pages/createActivity/index.vue
  * @Description: 创建活动页面
 -->
@@ -93,20 +93,19 @@
         <view class="form-item public-sub">
           <view class="public-sub-border">
             <van-row>
-              <van-col span="12">
+              <van-col span="12" offset="0">
                 <view class="form-item-title fix">
                   是否公开显示
                   <van-icon :name="icon_vip" size="1rem" color="" class="vip-icon" />
                 </view>
               </van-col>
-              <van-col span="12">
+              <van-col span="12" offset="0">
                 <view>
                   <van-field :value="public_type" label-class="label-class-super" input-class="input-class" label=""
                     :right-icon="icon_sel" input-align="right" placeholder="请选择" placeholder-style="color: #999;"
                     customStyle="" maxlength="" type="" :border="false" @tap="show_public_popup=true" :required="false"
                     :disabled="true" />
                 </view>
-
               </van-col>
             </van-row>
           </view>
@@ -133,20 +132,19 @@
         </view>
         <view class="form-item server-sub">
           <van-row>
-            <van-col span="10">
+            <van-col span="10" offset="0">
               <view class="form-item-title fix">
                 服务岗位报名
                 <van-icon :name="icon_vip" size="1rem" color="" class="vip-icon" />
               </view>
             </van-col>
-            <van-col span="14">
+            <van-col span="14" offset="0">
               <view style="">
                 <van-field :value="job_post" label-class="label-class-super" input-class="input-class" label=""
                   type="textarea" placeholder="岗位名以中文逗号分隔" placeholder-style="color: #999;" customStyle=""
                   inputAlign="left" rightIcon="" :required="false" maxlength="" :border="false"
                   :autosize="{ maxHeight: 80, minHeight: 20 }" @change="onExtendChange" @blur="onExtendBlur" />
               </view>
-
             </van-col>
           </van-row>
         </view>
@@ -192,12 +190,12 @@
               size="1.5rem" active-color="#199A74" inactive-color="#FFFFFF" />
           </view>
           <van-row>
-            <van-col span="12">
+            <van-col span="12" offset="0">
               <view class="cancel-box">
                 <view class="button" @tap="closeEditSign">取消</view>
               </view>
             </van-col>
-            <van-col span="12">
+            <van-col span="12" offset="0">
               <view class="confirm-box">
                 <view class="button" @tap="confirmEditSign">确定</view>
               </view>
@@ -228,12 +226,12 @@
       </view>
     </view>
     <van-row>
-      <van-col span="12">
+      <van-col span="12" offset="0">
         <view class="limit-button-wrapper">
           <view class="button cancel" @tap="closeEditLimit">取消</view>
         </view>
       </van-col>
-      <van-col span="12">
+      <van-col span="12" offset="0">
         <view class="limit-button-wrapper">
           <view class="button confirm" @tap="confirmEditLimit">确定</view>
         </view>
@@ -242,18 +240,18 @@
   </van-popup>
   <!-- 是否发布弹出框 -->
   <van-popup :show="show_publish_popup" position="bottom" custom-style="height: 50%;" :lock-scroll="true">
-    <van-picker :show-toolbar="true" title="" confirm-button-text="确定" :columns="columns" toolbar-class="picker-toolbar"
+    <van-picker :show-toolbar="true" title="" confirm-button-text="确定" :columns="columns" toolbar-class="picker-toolbar" :defaultIndex="0"
       @confirm="onPublishConfirm" @cancel="onPublishCancel" @change="onPublishChange" />
   </van-popup>
   <!-- 活动方式弹出框 -->
   <van-popup :show="show_activity_type_popup" position="bottom" custom-style="height: 50%;" :lock-scroll="true">
-    <van-picker :show-toolbar="true" title="" confirm-button-text="确定" :columns="activity_type_columns"
+    <van-picker :show-toolbar="true" title="" confirm-button-text="确定" :columns="activity_type_columns" :defaultIndex="0"
       toolbar-class="picker-toolbar" @confirm="onActivityTypeConfirm" @cancel="onActivityTypeCancel"
       @change="onActivityTypeChange" />
   </van-popup>
   <!-- 是否公开显示弹出框 -->
   <van-popup :show="show_public_popup" position="bottom" custom-style="height: 50%;" :lock-scroll="true">
-    <van-picker :show-toolbar="true" confirm-button-text="确定" title="" :columns="public_type_columns"
+    <van-picker :show-toolbar="true" confirm-button-text="确定" title="" :columns="public_type_columns" :defaultIndex="0"
       toolbar-class="picker-toolbar" @confirm="onPublicTypeConfirm" @cancel="onPublicTypeCancel"
       @change="onPublicTypeChange" />
   </van-popup>