上传应用更新改为更新内容

src/views/regionSection/applicationManage/applicationManage.vue

               >/255
             </div>
           </FormItem>
-          <FormItem label="更新" style="width: 100%">
+          <FormItem label="更新内容" style="width: 100%">
             <Input
               v-model="wallpaperInfo.appRenew"
               type="textarea"
               :rows="4"
               :maxlength="1000"
-              placeholder="请输入更新描述"
+              placeholder="请输入更新内容"
             ></Input>
             <div class="appcomm">
               更新描述不能超过1000个字符<span class="red">{{
             <div>{{ viewInfo.appAbbr || "无" }}</div>
           </div>
           <div class="view_com">
-            <div class="view_t">更新</div>
+            <div class="view_t">更新内容</div>
             <div>{{ viewInfo.appRenew || "无" }}</div>
           </div>
           <div class="view_com">

src/views/regionSection/search/allApps.vue

           </div>
           <div class="view_com">
             <div class="view_t">应用简介</div>
-            <div>{{ viewInfo.appAbbr }}</div>
+            <div>{{ viewInfo.appAbbr || "无" }}</div>
           </div>
           <div class="view_com">
-            <div class="view_t">更新</div>
-            <div>{{ viewInfo.appRenew }}</div>
+            <div class="view_t">更新内容</div>
+            <div>{{ viewInfo.appRenew || "无" }}</div>
           </div>
           <div class="view_com">
             <div class="view_t">授权型号</div>

src/views/schoolSection/applicationManage/applicationList.vue

               >/255
             </div>
           </FormItem>
-          <FormItem label="更新" style="width: 100%">
+          <FormItem label="更新内容" style="width: 100%">
             <Input
               v-model="wallpaperInfo.appRenew"
               type="textarea"
               :rows="4"
               :maxlength="1000"
-              placeholder="请输入更新描述"
+              placeholder="请输入更新内容"
             ></Input>
             <div class="appcomm">
               更新描述不能超过1000个字符<span class="red">{{
           </div>
           <div class="view_com">
             <div class="view_t">应用简介</div>
-            <div>{{ viewInfo.appAbbr }}</div>
+            <div>{{ viewInfo.appAbbr || "无" }}</div>
           </div>
           <div class="view_com">
-            <div class="view_t">更新</div>
-            <div>{{ viewInfo.appRenew }}</div>
+            <div class="view_t">更新内容</div>
+            <div>{{ viewInfo.appRenew || "无"}}</div>
           </div>
           <div class="view_com">
             <div class="view_t">授权型号</div>