处理接口返回overall为null

src/views/qualitycontrol-report/index.vue

@@ -8,7 +8,7 @@
       <el-row :gutter="20" class="data-box">
         <el-col v-for="(item, index) in totalList" :key="index" :span="6">
           <div class="grid-content mb-12">{{ item.label }}</div>
-          <h1>{{ totalData[item.prop] }}</h1>
+          <h1>{{ totalData ? totalData[item.prop] : 0 }}</h1>
         </el-col>
       </el-row>
     </div>