修改血缘关系的placeholder图片

@@ -1103,7 +1103,8 @@ const handleLineageSwitchChange = (val, type) => {
         @handleSave="handleSave" @handleRefres="handleRefres" @handleLineageSwitchChange="handleLineageSwitchChange"
         @handleChOrEn=handleChOrEn :isCh="isCh" @handleToggle="handleToggle" :isToggle="isToggle" />
       <div v-show="lastClickNode && lastClickNode?.type !== 3 && lastClickNode?.type !== 4" class="main-placeholder">
-        <img style="width: 468px; height: 96px;" src="../../../public/swzl_logo.gif">
+        <img src="../../assets/images/no-data.png" :style="{ width: '96px', height: '96px' }" />
+        <div class="empty-text">暂无血缘关系</div>
       </div>
       <Dialog :dialogInfo="dialogInfo" ref="diaLogRef" class="timedDia" @btnClick="dialogBtnClick"
         @selectChange="selectChange" @treeSelectLoad="nodeLoad" @treeSelectNodeChange="treeSelectNodeChange" />
@@ -1130,6 +1131,12 @@ const handleLineageSwitchChange = (val, type) => {
       display: flex;
       justify-content: center;
       align-items: center;
+      flex-direction: column;
+
+      .empty-text {
+        font-size: 14px;
+        color: #b2b2b2;
+      }
     }
   }