diff --git a/frontend/src/layout/components/SemesterBar.vue b/frontend/src/layout/components/SemesterBar.vue
index c028415c..5f99f3a5 100644
--- a/frontend/src/layout/components/SemesterBar.vue
+++ b/frontend/src/layout/components/SemesterBar.vue
@@ -27,6 +27,7 @@
           :value="activeSemester ? activeSemester.nd : ''"
           placeholder="请选择学期"
           size="small"
+          filterable
           class="semester-select"
           @change="handleSwitch"
         >
diff --git a/frontend/src/views/student/shiftTeam/index.vue b/frontend/src/views/student/shiftTeam/index.vue
index 4869c172..7c3c710f 100644
--- a/frontend/src/views/student/shiftTeam/index.vue
+++ b/frontend/src/views/student/shiftTeam/index.vue
@@ -153,7 +153,21 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="专业代号" prop="zydh">
-              <el-input v-model="form.zydh" placeholder="请输入专业代号" />
+              <el-select
+                v-model="form.zydh"
+                :loading="majorOptionsLoading"
+                placeholder="请选择专业"
+                clearable
+                filterable
+                class="w-full"
+              >
+                <el-option
+                  v-for="item in majorOptions"
+                  :key="item.zydh"
+                  :label="formatMajorLabel(item)"
+                  :value="item.zydh"
+                />
+              </el-select>
             </el-form-item>
           </el-col>
           <el-col :span="12">
@@ -214,11 +228,6 @@
               </el-select>
             </el-form-item>
           </el-col>
-          <el-col :span="12">
-            <el-form-item label="序号">
-              <el-input-number v-model="form.xh" :min="0" controls-position="right" style="width: 100%" />
-            </el-form-item>
-          </el-col>
         </el-row>
 
         <el-divider content-position="left">培训与状态</el-divider>
@@ -308,7 +317,6 @@
           <el-descriptions-item label="系统模式">{{ detailForm.xtms || '-' }}</el-descriptions-item>
           <el-descriptions-item label="简称">{{ detailForm.jc || '-' }}</el-descriptions-item>
           <el-descriptions-item label="所属单位">{{ detailForm.ssdw || '-' }}</el-descriptions-item>
-          <el-descriptions-item label="序号">{{ fmtValue(detailForm.xh) }}</el-descriptions-item>
           <el-descriptions-item label="任务类别">{{ detailForm.rwlb || '-' }}</el-descriptions-item>
           <el-descriptions-item label="虚实类型">
             <el-tag :type="Number(detailForm.xslx) === 1 ? 'success' : 'info'" size="mini">
@@ -352,11 +360,13 @@ import {
   downloadTeamTemplate
 } from '@/api/studentRecords/team'
 import { getDicts } from '@/api/system/dict/data'
+import { listMajor } from '@/api/subjectMajor/major'
 
 const TEAM_TYPE_DICT_CODE = 'stu_type'
 const SESSION_CATEGORY_DICT_CODE = 'session_category'
 const SYSTEM_MODE_DICT_CODE = 'system_mode'
 const UNIT_CATEGORY_DICT_CODE = 'sys_unit_category'
+const MAJOR_OPTION_PAGE_SIZE = 10000
 
 export default {
   name: 'ShiftTeamIndex',
@@ -375,6 +385,8 @@ export default {
       sessionCategoryOptions: [],
       systemModeOptions: [],
       unitCategoryOptions: [],
+      majorOptions: [],
+      majorOptionsLoading: false,
       trainingTaskOptions: [],
       trainingTaskLoading: false,
 
@@ -399,7 +411,7 @@ export default {
         xydbh: [{ required: true, message: '请输入学员队编号', trigger: 'blur' }],
         xydmc: [{ required: true, message: '请输入学员队名称', trigger: 'blur' }],
         xydrs: [{ required: true, message: '请输入学员队人数', trigger: 'change' }],
-        zydh: [{ required: true, message: '请输入专业代号', trigger: 'blur' }],
+        zydh: [{ required: true, message: '请选择专业', trigger: 'change' }],
         rwlb: [{ required: true, message: '请输入任务类别', trigger: 'blur' }],
         xslx: [{ required: true, message: '请选择虚实类型', trigger: 'change' }],
         rxrq: [{ required: true, message: '请选择入学日期', trigger: 'change' }],
@@ -423,6 +435,7 @@ export default {
   },
   mounted() {
     this.loadTeamDictionaries()
+    this.loadMajorOptions()
     this.fetchList()
   },
   methods: {
@@ -441,6 +454,33 @@ export default {
       this.unitCategoryOptions = unitCategoryResponse.data || []
     },
 
+    /** 加载专业下拉选项，标签同时包含名称、代码和代号，便于直接模糊搜索。 */
+    async loadMajorOptions() {
+      this.majorOptionsLoading = true
+      try {
+        const response = await listMajor({
+          pageNum: 1,
+          pageSize: MAJOR_OPTION_PAGE_SIZE,
+          ty: false
+        })
+        const data = response.data || {}
+        this.majorOptions = Array.isArray(data.records) ? data.records : []
+      } catch (error) {
+        this.majorOptions = []
+      } finally {
+        this.majorOptionsLoading = false
+      }
+    },
+
+    formatMajorLabel(item) {
+      const identifiers = [item.zydm, item.zydh].filter(Boolean).join(' / ')
+      if (!item.zymc) {
+        return identifiers
+      }
+
+      return identifiers ? `${item.zymc}（${identifiers}）` : item.zymc
+    },
+
     createEmptyForm() {
       return {
         xydbh: '',
@@ -451,7 +491,6 @@ export default {
         zyjsbh: '',
         bz: '',
         zxzt: undefined,
-        xh: undefined,
         rwlb: '',
         xslx: 1,
         rxrq: '',
@@ -575,7 +614,6 @@ export default {
           zyjsbh: d.zyjsbh || '',
           bz: d.bz || '',
           zxzt: this.normalizeSchoolStatus(d.zxzt),
-          xh: d.xh !== null && d.xh !== undefined ? d.xh : undefined,
           rwlb: d.rwlb || '',
           xslx: d.xslx !== null && d.xslx !== undefined ? Number(d.xslx) : 1,
           rxrq: this.formatDate(d.rxrq),
@@ -636,7 +674,6 @@ export default {
       if (f.xydrs !== '' && f.xydrs !== null && f.xydrs !== undefined) payload.xydrs = Number(f.xydrs)
       // 字符串字段
       if (f.zxzt !== '' && f.zxzt !== null && f.zxzt !== undefined) payload.zxzt = String(f.zxzt)
-      if (f.xh !== '' && f.xh !== null && f.xh !== undefined) payload.xh = String(f.xh)
       // 后端字段为 LocalDateTime，日期选择器值统一补齐当天零点。
       if (f.rxrq) payload.rxrq = `${this.formatDate(f.rxrq)}T00:00:00`
       if (f.byrq) payload.byrq = `${this.formatDate(f.byrq)}T00:00:00`
diff --git a/frontend/src/views/system/dict/data.vue b/frontend/src/views/system/dict/data.vue
index 0acb25fe..f6ab1015 100644
--- a/frontend/src/views/system/dict/data.vue
+++ b/frontend/src/views/system/dict/data.vue
@@ -2,7 +2,7 @@
   <div class="app-container system-dict-data">
     <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
       <el-form-item label="字典名称" prop="dictType">
-        <el-select v-model="queryParams.dictType">
+        <el-select v-model="queryParams.dictType" filterable>
           <el-option
             v-for="item in typeOptions"
             :key="item.dictId"
diff --git a/frontend/src/views/system/user/index.vue b/frontend/src/views/system/user/index.vue
index 97f6389a..b339f5a6 100644
--- a/frontend/src/views/system/user/index.vue
+++ b/frontend/src/views/system/user/index.vue
@@ -141,14 +141,14 @@
         <el-row>
           <el-col :span="12">
             <el-form-item label="岗位">
-              <el-select v-model="form.postIds" multiple placeholder="请选择岗位">
+              <el-select v-model="form.postIds" multiple filterable placeholder="请选择岗位">
                 <el-option v-for="item in postOptions" :key="item.postId" :label="item.postName" :value="item.postId" :disabled="item.status == 1" ></el-option>
               </el-select>
             </el-form-item>
           </el-col>
           <el-col :span="12">
             <el-form-item label="角色">
-              <el-select v-model="form.roleIds" multiple placeholder="请选择角色">
+              <el-select v-model="form.roleIds" multiple filterable placeholder="请选择角色">
                 <el-option v-for="item in roleOptions" :key="item.roleId" :label="item.roleName" :value="item.roleId" :disabled="item.status == 1"></el-option>
               </el-select>
             </el-form-item>
diff --git a/frontend/src/views/teachBusiness/teachingTask/index.vue b/frontend/src/views/teachBusiness/teachingTask/index.vue
index 03e9075f..f0a02935 100644
--- a/frontend/src/views/teachBusiness/teachingTask/index.vue
+++ b/frontend/src/views/teachBusiness/teachingTask/index.vue
@@ -23,6 +23,7 @@
                 v-model="searchForm.nd"
                 placeholder="请选择年度"
                 clearable
+                filterable
                 style="width: 100%"
               >
                 <el-option v-for="y in yearOptions" :key="y" :label="y" :value="y" />
diff --git a/frontend/src/views/teachBusiness/timetableAdjust/index.vue b/frontend/src/views/teachBusiness/timetableAdjust/index.vue
index 90e5c06d..ba0f86e7 100644
--- a/frontend/src/views/teachBusiness/timetableAdjust/index.vue
+++ b/frontend/src/views/teachBusiness/timetableAdjust/index.vue
@@ -23,7 +23,13 @@
     <div class="section-card">
       <el-form :model="queryParams" :inline="true" size="small" class="search-form" @submit.native.prevent>
         <el-form-item label="年度">
-          <el-select v-model="queryParams.nd" placeholder="请选择年度" clearable style="width: 140px">
+          <el-select
+            v-model="queryParams.nd"
+            placeholder="请选择年度"
+            clearable
+            filterable
+            style="width: 140px"
+          >
             <el-option v-for="y in yearOptions" :key="y" :label="y" :value="y" />
           </el-select>
         </el-form-item>
@@ -99,7 +105,13 @@
     <el-dialog title="新增课表调整申请" :visible.sync="addVisible" width="640px" append-to-body>
       <el-form ref="addForm" :model="addForm" :rules="addRules" label-width="110px">
         <el-form-item label="年度" prop="nd">
-          <el-select v-model="addForm.nd" placeholder="请选择年度" style="width: 100%" @change="handleAddYearChange">
+          <el-select
+            v-model="addForm.nd"
+            placeholder="请选择年度"
+            filterable
+            style="width: 100%"
+            @change="handleAddYearChange"
+          >
             <el-option v-for="y in yearOptions" :key="y" :label="y" :value="y" />
           </el-select>
         </el-form-item>
diff --git a/frontend/src/views/teachBusiness/timetableConflict/index.vue b/frontend/src/views/teachBusiness/timetableConflict/index.vue
index dc69101a..2649f953 100644
--- a/frontend/src/views/teachBusiness/timetableConflict/index.vue
+++ b/frontend/src/views/teachBusiness/timetableConflict/index.vue
@@ -10,7 +10,13 @@
         <div class="header-actions">
           <el-form inline class="toolbar-form" @submit.native.prevent>
             <el-form-item label="年度" class="year-item">
-              <el-select v-model="nd" placeholder="请选择年度" style="width: 130px" @change="handleNdChange">
+              <el-select
+                v-model="nd"
+                placeholder="请选择年度"
+                filterable
+                style="width: 130px"
+                @change="handleNdChange"
+              >
                 <el-option v-for="y in yearOptions" :key="y" :label="y + ' 年'" :value="y" />
               </el-select>
             </el-form-item>
diff --git a/frontend/src/views/teachOffice/shiftSemester/ClassSemesterDetailDialog.vue b/frontend/src/views/teachOffice/shiftSemester/ClassSemesterDetailDialog.vue
index 0320bd1f..8feae81b 100644
--- a/frontend/src/views/teachOffice/shiftSemester/ClassSemesterDetailDialog.vue
+++ b/frontend/src/views/teachOffice/shiftSemester/ClassSemesterDetailDialog.vue
@@ -24,7 +24,7 @@
       <el-row :gutter="16">
         <el-col :span="12">
           <el-form-item label="年度" prop="nd">
-            <el-select v-model="form.nd" placeholder="请选择年度" style="width: 100%">
+            <el-select v-model="form.nd" placeholder="请选择年度" filterable style="width: 100%">
               <el-option v-for="y in yearOptions" :key="y" :label="`${y}年`" :value="y" />
             </el-select>
           </el-form-item>
diff --git a/frontend/src/views/teachOffice/shiftSemester/index.vue b/frontend/src/views/teachOffice/shiftSemester/index.vue
index 220480e5..88c82a03 100644
--- a/frontend/src/views/teachOffice/shiftSemester/index.vue
+++ b/frontend/src/views/teachOffice/shiftSemester/index.vue
@@ -16,7 +16,14 @@
           />
         </el-form-item>
         <el-form-item label="年度">
-          <el-select v-model="filterYear" placeholder="全部年度" clearable style="width: 140px" @change="handleYearChange">
+          <el-select
+            v-model="filterYear"
+            placeholder="全部年度"
+            clearable
+            filterable
+            style="width: 140px"
+            @change="handleYearChange"
+          >
             <el-option v-for="y in yearFilterOptions" :key="y" :label="`${y}年`" :value="y" />
           </el-select>
         </el-form-item>
@@ -131,7 +138,7 @@
     >
       <el-form ref="batchAddFormRef" :model="batchAddForm" :rules="batchAddRules" label-width="100px">
         <el-form-item label="年度" prop="nd">
-          <el-select v-model="batchAddForm.nd" placeholder="请选择年度" style="width: 100%">
+          <el-select v-model="batchAddForm.nd" placeholder="请选择年度" filterable style="width: 100%">
             <el-option v-for="y in yearOptions" :key="y" :label="`${y}年`" :value="y" />
           </el-select>
         </el-form-item>
diff --git a/frontend/src/views/teachOffice/taskPlan/index.vue b/frontend/src/views/teachOffice/taskPlan/index.vue
index 42940f69..b65f48f8 100644
--- a/frontend/src/views/teachOffice/taskPlan/index.vue
+++ b/frontend/src/views/teachOffice/taskPlan/index.vue
@@ -16,7 +16,7 @@
           />
         </el-form-item>
         <el-form-item label="年度">
-          <el-select v-model="searchForm.nd" placeholder="请选择年度" clearable style="width: 140px">
+          <el-select v-model="searchForm.nd" placeholder="请选择年度" clearable filterable style="width: 140px">
             <el-option v-for="y in yearOptions" :key="y" :label="y" :value="y" />
           </el-select>
         </el-form-item>
@@ -109,7 +109,7 @@
           <el-input v-model="form.rwmc" placeholder="请输入任务名称" clearable />
         </el-form-item>
         <el-form-item label="年度" prop="nd">
-          <el-select v-model="form.nd" placeholder="请选择年度" style="width: 100%">
+          <el-select v-model="form.nd" placeholder="请选择年度" filterable style="width: 100%">
             <el-option v-for="y in yearOptions" :key="y" :label="y" :value="y" />
           </el-select>
         </el-form-item>