feat:服务解析错误率兼容处理

src/views/service/serviceDetail/index.vue

@@ -29,12 +29,12 @@
               <el-tooltip placement="bottom" effect="dark" :visible-arrow="false">
                 <div slot="content">
                   <i class="dot" />
-                  <span>{{ getErrRate(digitsObj.error_rate) }}</span>
+                  <span>{{ getErrRate(digitsObj.error_rate!=undefined?digitsObj.error_rate:0) }}</span>
                 </div>
                 <div class="border-bottom">
                   <div class="block-box px-3 py-4">
                     <div class="col-tit">错误率</div>
-                    <div class="col-con">{{ getErrRate(digitsObj.error_rate) || 0 }}</div>
+                    <div class="col-con">{{ getErrRate(digitsObj.error_rate!=undefined?digitsObj.error_rate:0) || 0 }}</div>
                   </div>
                 </div>
               </el-tooltip>