bug fixes

src/components/Upload.vue

 <template>
   <van-uploader
     v-model="fileList"
+    upload-icon="plus"
     :after-read="afterRead"
     :max-size="MaxSize"
     @delete="onDelete"
@@ -62,14 +63,19 @@ export default {
 </script>
 
 <style lang="scss" scoped>
+.van-uploader {
+  display: block;
+  width: 100%;
+}
 ::v-deep .van-uploader__upload,
 ::v-deep .van-uploader__preview-image {
-  width: 100px;
-  height: 100px;
-  background-color: #eee;
+  width: 100%;
+  height: 160px;
+  background-color: #eaeef0;
   border-radius: 0;
 }
 ::v-deep .van-uploader__upload-icon {
-  color: #666;
+  font-size: 40px;
+  color: #dcdcdc;
 }
 </style>

src/views/create/Activity.vue

@@ -20,13 +20,6 @@ export default {
     return {
       formModel: {},
       fields: [
-        {
-          name: 'activity_name',
-          label: '主题',
-          required: true,
-          placeholder: '请输入活动主题',
-          rules: [{ required: true, message: '请输入活动主题' }]
-        },
         {
           fieldType: 'uploader',
           name: 'activity_image',
@@ -35,6 +28,13 @@ export default {
           placeholder: '请上传活动封面',
           rules: [{ required: true, message: '请上传活动封面' }]
         },
+        {
+          name: 'activity_name',
+          label: '主题',
+          required: true,
+          placeholder: '请输入活动主题',
+          rules: [{ required: true, message: '请输入活动主题' }]
+        },
         {
           type: 'textarea',
           name: 'activity_contents',