feat: 概览数据优化

src/views/Dashboard.vue

@@ -263,9 +263,9 @@
             <template #content>
               <div style="display: flex; align-items: center; gap: 4px">
                 <div class="down-icon-green"></div>
-                <div>为正向趋势</div>
+                <div>为正向趋势，</div>
                 <div class="up-icon-red"></div>
-                <div>为负向趋势，</div>
+                <div>为负向趋势</div>
               </div>
             </template>
             <div class="card-item">