chore: 优化 table.vue 代码结构

package/component/src/component/table/index.vue

@@ -256,15 +256,14 @@ onMounted(() => {
                       class="layui-table-cell"
                       :style="{ width: column.width }"
                     >
-                      <span v-if="column.titleSlot">
+                      <span>
                         <template v-if="column.titleSlot">
                           <slot :name="column.titleSlot"></slot>
                         </template>
-                        <template>
+                        <template v-else>
                           {{ column.title }} 
                         </template>
                       </span>
-                      <span v-else>{{ column.title }}</span>
                       <span
                         v-if="column.sort"
                         class="layui-table-sort layui-inline"

package/document/src/document/zh-CN/components/noticeBar.md

@@ -94,7 +94,5 @@ export default {
 
 :::
 
- 
-
 ::: previousNext transfer
 :::

package/document/src/document/zh-CN/components/table.md

@@ -286,17 +286,20 @@ export default {
         width:"200px",
         titleSlot: "username-title",
         customSlot:"username",
-        key:"username"
+        key:"username",
+        align: "left"
       },{
         title:"密码",
         width: "180px",
         customSlot:"password",
-        key:"password"
+        key:"password",
+        align: "center"
       },{
         title:"年龄",
         width: "180px",
         key:"age",
-        sort: true
+        sort: true,
+        align: "right"
       },{
         title:"操作",
         width: "180px",