修复PC切换开店时，品牌图片不能清空问题

components/register-saler/register/StepThird.vue

@@ -71,7 +71,7 @@
                 <div class="col-md-12"><em>* </em>如已上传最新版营业执照（三证合一），则其他两证无需上传 ； 仅支持JPG、PNG、GIF、PDF格式，每张大小不超过3M</div>
               </div>
               <!--增加品牌-->
-              <div class="brand-type row" v-for="(brand, index) in brands">
+              <div class="brand-type row" v-for="(brand, index) in brands"  >
                 <div class="col-md-1">品牌{{index+1}}<em v-if="index == 0">*</em></div>
                 <div class="col-md-7">
                   <input type="text" v-model="brand.name"
@@ -94,7 +94,7 @@
                 </div>
                 <div class="brand-small-upload col-md-4">
                   <div class="brand-small-img">
-                    <upload :typeData="index" @uploadAction="onUpload" :NopassThree="true"></upload>
+                    <upload :typeData="index" @uploadAction="onUpload" :NopassThree="true" v-if="tab == 'ORIGINAL_FACTORY'"></upload>
                   </div>
                   <div class="file-text">品牌logo/商标注册原件/授权说明书</div>
                   <div v-show="brands.length > 1" @click="deleteBrand(index)" class="delete" title="删除"><i class="fa fa-trash"></i></div>
@@ -145,7 +145,7 @@
                 <div class="col-md-12"><em>* </em>如已上传最新版营业执照（三证合一），则其他两证无需上传 ； 仅支持JPG、PNG、GIF、PDF格式，每张大小不超过3M</div>
               </div>
               <!--增加品牌-->
-              <div class="brand-type row" v-for="(brand, index) in brands">
+              <div class="brand-type row" v-for="(brand, index) in brands" >
                 <div class="col-md-1">品牌{{index+1}}<em>*</em></div>
                 <div class="col-md-7">
                   <input type="text" v-model="brand.name"
@@ -166,8 +166,8 @@
                   </ul>
                 </div>
                 <div class="brand-small-upload col-md-4">
-                  <div class="brand-small-img">
-                    <upload :typeData="index" @uploadAction="onUpload" :NopassThree="true"></upload>
+                  <div class="brand-small-img" v-bind:key="index">
+                    <upload :typeData="index" @uploadAction="onUpload" :NopassThree="true" v-if="tab == 'AGENCY'"></upload>
                   </div>
                   <div class="file-text">代理资格证/代理授权书</div>
                   <div v-show="brands.length > 1" @click="deleteBrand(index)" class="delete" title="删除"><i class="fa fa-trash"></i></div>
@@ -332,13 +332,14 @@
       },
       toggleTab (t) {
         this.tab = t
-        this.brands = [{
+        this.brands.splice(0, this.brands.length)
+        this.brands.push({
           type: 'BRAND',
           name: '',
           url: '',
           isPdf: false,
           brandUuid: ''
-        }]
+        })
       },
       onUpload: function (obj) {
         if (obj.type === 'BUSINESS_LICENSE') {