fix: 调整主页的空状态

frontend/src/views/Home.vue

@@ -154,7 +154,7 @@
       </div>
 
       <div v-else-if="!loading" class="empty-state">
-        <a-empty description="暂无资源收集数据" />
+        <img src="@/assets/NoData.png" alt="无数据" class="empty-image" />
       </div>
     </a-card>
 
@@ -227,7 +227,7 @@
       </div>
 
       <div v-else-if="!loading" class="empty-state">
-        <a-empty description="暂无代理数据" />
+        <img src="@/assets/NoData.png" alt="无数据" class="empty-image" />
       </div>
     </a-card>
   </div>

frontend/src/views/Scheduler.vue

@@ -38,9 +38,7 @@
           <!-- 任务执行区域 -->
           <div class="execution-area">
             <div v-if="currentTab.runningTasks.length === 0" class="empty-state">
-              <div class="empty-content">
-                <img src="@/assets/NoData.png" alt="无数据" class="empty-image" />
-              </div>
+             <img src="@/assets/NoData.png" alt="无数据" class="empty-image" />
             </div>
 
             <div v-else class="task-panels">