调整redis连接展开收缩按钮样式

src/renderer/src/components/Sidebar.vue

@@ -143,7 +143,7 @@ useKeyboard({
     </div>
     <div class="drag-handle" @mousedown="startResize"></div>
     <button class="collapse-btn" @click="collapsed = !collapsed" :title="collapsed ? '展开' : '收缩'">
-      <el-icon>
+      <el-icon style="color: #409EFF; font-size: 20px;">
         <component :is="collapsed ? 'ArrowRight' : 'ArrowLeft'" />
       </el-icon>
     </button>
@@ -199,7 +199,7 @@ useKeyboard({
 .collapse-btn {
   position: absolute;
   top: 50%;
-  right: -12px;
+  right: -6px;
   transform: translateY(-50%);
   width: 24px;
   height: 24px;
@@ -223,6 +223,6 @@ useKeyboard({
 }
 
 .sidebar.collapsed .collapse-btn {
-  right: -12px;
+  right: -6px;
 }
 </style>