diff --git a/frontend/src/assets/styles/index.scss b/frontend/src/assets/styles/index.scss
index 0a1aec77d..27d028ab4 100644
--- a/frontend/src/assets/styles/index.scss
+++ b/frontend/src/assets/styles/index.scss
@@ -95,26 +95,6 @@ a,
   word-break: break-word;
 }
 
-/* ===== 全局表格内容居中：所有页面表头与数据单元格统一居中对齐 =====
-   覆盖 Element 表头(.el-table__cell th)与数据(.el-table__cell td)的默认左对齐，
-   含固定列(eltable__fixed)；!important 用于覆盖列配置 align 时 Element 注入的
-   内联 text-align（如 align="left/right"），确保按需求强制全部居中。
-   选中列复选框(el-checkbox)不受影响。 */
-.el-table th.el-table__cell > .cell,
-.el-table td.el-table__cell > .cell {
-  text-align: center !important;
-}
-
-/* ===== 全局隐藏表格底部横向滚动条 =====
-   页面已实现横向拖拽滑动(el-table__body-wrapper.is-dragging)，故隐藏
-   Element 的横向滚动条(.el-scrollbar__bar.is-horizontal)，避免视觉重复。
-   !important：Element 的 ScrollbarBar 会通过内联 style="display:block"
-   控制该横条显隐，普通 display:none 无法覆盖内联样式，必须加 !important。
-   纵向滚动条(el-scrollbar__bar.is-vertical)不受影响。 */
-.el-table .el-scrollbar__bar.is-horizontal {
-  display: none !important;
-}
-
 *,
 *:before,
 *:after {
diff --git a/frontend/src/views/assessment/index.vue b/frontend/src/views/assessment/index.vue
index 7c08ba914..0ef069c2d 100644
--- a/frontend/src/views/assessment/index.vue
+++ b/frontend/src/views/assessment/index.vue
@@ -422,6 +422,7 @@
               </el-col>
             </el-row>
 
+            <div class="search-tip">注意：勾选"选择框"表示启用该项对应的查询条件，输入框非空表示启用查询条件。</div>
             <div class="search-actions">
               <el-button type="primary" @click="handleCourseQuery">查询</el-button>
             </div>
diff --git a/frontend/src/views/classHour/plan/index.vue b/frontend/src/views/classHour/plan/index.vue
index 887488ff5..626e0e2e0 100644
--- a/frontend/src/views/classHour/plan/index.vue
+++ b/frontend/src/views/classHour/plan/index.vue
@@ -665,22 +665,6 @@ export default {
     }
   }
 
-  // 隐藏表格底部横向滚动条（自定义 bar 由全局样式隐藏，此处隐藏原生滚动条）
-  ::v-deep .el-table ::-webkit-scrollbar {
-    display: none;
-  }
-  ::v-deep .el-table {
-    scrollbar-width: none;
-    -ms-overflow-style: none;
-  }
-  ::v-deep .el-table__body-wrapper::-webkit-scrollbar {
-    display: none;
-  }
-  ::v-deep .el-table__body-wrapper {
-    scrollbar-width: none;
-    -ms-overflow-style: none;
-  }
-
   // ==================== 3. 新增/修改表单 ====================
   .add-form {
     max-height: 62vh;
diff --git a/frontend/src/views/classHour/subsidy/index.vue b/frontend/src/views/classHour/subsidy/index.vue
index 46fc624af..b4a16d849 100644
--- a/frontend/src/views/classHour/subsidy/index.vue
+++ b/frontend/src/views/classHour/subsidy/index.vue
@@ -295,21 +295,5 @@ export default {
       margin-top: 12px;
     }
   }
-
-  // 隐藏表格底部横向滚动条（自定义 bar 由全局样式隐藏，此处隐藏原生滚动条）
-  ::v-deep .el-table ::-webkit-scrollbar {
-    display: none;
-  }
-  ::v-deep .el-table {
-    scrollbar-width: none;
-    -ms-overflow-style: none;
-  }
-  ::v-deep .el-table__body-wrapper::-webkit-scrollbar {
-    display: none;
-  }
-  ::v-deep .el-table__body-wrapper {
-    scrollbar-width: none;
-    -ms-overflow-style: none;
-  }
 }
 </style>
diff --git a/frontend/src/views/subjectMajor/major/index.vue b/frontend/src/views/subjectMajor/major/index.vue
index ffa8f1246..3e33df785 100644
--- a/frontend/src/views/subjectMajor/major/index.vue
+++ b/frontend/src/views/subjectMajor/major/index.vue
@@ -412,11 +412,6 @@ export default {
     this.fetchList()
   },
   methods: {
-    /** 序号：按当前页数据索引生成跨页连续的序号 */
-    fmtXh(index) {
-      return (this.pageNum - 1) * this.pageSize + index + 1
-    },
-
     /** 创建空表单 */
     createEmptyForm() {
       return {
diff --git a/frontend/src/views/teachNotice/index.vue b/frontend/src/views/teachNotice/index.vue
index a1f2701e1..62f60adae 100644
--- a/frontend/src/views/teachNotice/index.vue
+++ b/frontend/src/views/teachNotice/index.vue
@@ -81,6 +81,14 @@
       </el-form-item>
     </el-form>
 
+    <el-alert
+      class="query-tip"
+      title="注意：勾选'选择框'表示启用该项对应的查询条件"
+      type="info"
+      :closable="false"
+      show-icon
+    />
+
     <!-- 数据列表区域 -->
     <div class="list-title">公告列表</div>
     <el-table v-loading="loading" :data="noticeList" border :height="tableHeight">
diff --git a/frontend/src/views/teachOffice/subject/index.vue b/frontend/src/views/teachOffice/subject/index.vue
index 1f258b3e8..6fd702ca7 100644
--- a/frontend/src/views/teachOffice/subject/index.vue
+++ b/frontend/src/views/teachOffice/subject/index.vue
@@ -155,6 +155,7 @@
         </el-row>
       </el-form>
 
+      <div class="notice">注意：勾选"选择框"表示启用该项对应的查询条件，输入框非空表示启用查询条件。</div>
       <div class="query-footer">
         <el-button class="gray-btn" @click="handleQuery">查询</el-button>
       </div>
@@ -188,6 +189,11 @@
       </div>
     </el-card>
 
+    <!-- ==================== 5. 红色提示文字 ==================== -->
+    <div class="red-tip">
+      提示：课程体系按"课程-专题-课题"构建的，课程名称的命名格式为"课程名称\专题名称\课题名称"或"课程名称\课题名称"。
+    </div>
+
     <!-- ==================== 6. 数据表格区域 ==================== -->
     <el-card shadow="never" class="table-card">
       <el-table v-loading="loading" :data="tableData" stripe border highlight-current-row
@@ -786,6 +792,14 @@ export default {
   }
 }
 
+// ==================== 5. 红色提示文字 ====================
+.red-tip {
+  font-size: 14px;
+  color: #f56c6c;
+  margin-bottom: 16px;
+  line-height: 1.6;
+}
+
 // ==================== 6. 数据表格区域 ====================
 .table-card {
   .pagination-wrapper {