fix(error_rate 没值加兜底)

src/views/service/InterfaceDetail/index.vue

@@ -37,7 +37,7 @@
                 <el-tooltip placement="bottom" effect="dark" :visible-arrow="false">
                   <div slot="content">
                     <i class="dot" />
-                    <span>{{ digitsObj.error_rate }}</span>
+                    <span>{{ digitsObj.error_rate || 0 }}</span>
                   </div>
                   <div>
                     <div>

src/views/service/InterfaceSublist/index.vue

@@ -29,12 +29,12 @@
               <el-tooltip placement="bottom" effect="dark" :visible-arrow="false">
                 <div slot="content">
                   <i class="dot" />
-                  <span>{{ digitsObj.error_rate }}</span>
+                  <span>{{ 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">{{ digitsObj.error_rate }}</div>
+                    <div class="col-con">{{ digitsObj.error_rate || 0 }}</div>
                   </div>
                 </div>
               </el-tooltip>