diff --git a/src/Jiaowu.Api/Controllers/AttendanceController.cs b/src/Jiaowu.Api/Controllers/AttendanceController.cs
index c61eb50..573852d 100644
--- a/src/Jiaowu.Api/Controllers/AttendanceController.cs
+++ b/src/Jiaowu.Api/Controllers/AttendanceController.cs
@@ -37,7 +37,8 @@ public sealed class AttendanceController(
         string? keyword = null,
         int page = 1,
         int pageSize = 20,
-        CancellationToken cancellationToken = default)
+        CancellationToken cancellationToken = default,
+        string? classKeyword = null)
     {
         page = Math.Max(1, page);
         pageSize = Math.Clamp(pageSize, 10, 50);
@@ -54,6 +55,14 @@ public sealed class AttendanceController(
                 x.Course!.Code.Contains(keyword) ||
                 x.Course.Name.Contains(keyword));
         }
+        if (!string.IsNullOrWhiteSpace(classKeyword))
+        {
+            classKeyword = classKeyword.Trim();
+            tasks = tasks.Where(x => x.Classes.Any(item =>
+                item.AdministrativeClass!.Code.Contains(classKeyword) ||
+                item.AdministrativeClass.Name.Contains(classKeyword) ||
+                item.AdministrativeClass.Major!.Name.Contains(classKeyword)));
+        }
         var total = await tasks.CountAsync(cancellationToken);
         var result = await tasks
             .OrderBy(x => x.Course!.Code)
diff --git a/src/Jiaowu.Api/Controllers/GradesController.cs b/src/Jiaowu.Api/Controllers/GradesController.cs
index d4aa2dc..a73c8a0 100644
--- a/src/Jiaowu.Api/Controllers/GradesController.cs
+++ b/src/Jiaowu.Api/Controllers/GradesController.cs
@@ -51,7 +51,10 @@ public sealed class GradesController(
         string? keyword = null,
         int page = 1,
         int pageSize = 20,
-        CancellationToken cancellationToken = default)
+        CancellationToken cancellationToken = default,
+        Guid? collegeId = null,
+        string? teacherKeyword = null,
+        string? classKeyword = null)
     {
         page = Math.Max(1, page);
         pageSize = Math.Clamp(pageSize, 10, 50);
@@ -61,6 +64,8 @@ public sealed class GradesController(
                 x.Status == TeachingTaskStatus.Closed);
         if (academicTermId.HasValue)
             source = source.Where(x => x.AcademicTermId == academicTermId);
+        if (collegeId.HasValue)
+            source = source.Where(x => x.Course!.CollegeId == collegeId.Value);
         if (status.HasValue)
             source = source.Where(x => db.GradeSheets.Any(sheet =>
                 sheet.TeachingTaskId == x.Id && sheet.Status == status.Value));
@@ -73,6 +78,21 @@ public sealed class GradesController(
                 x.Course!.Code.Contains(keyword) ||
                 x.Course.Name.Contains(keyword));
         }
+        if (!string.IsNullOrWhiteSpace(teacherKeyword))
+        {
+            teacherKeyword = teacherKeyword.Trim();
+            source = source.Where(x => x.Teachers.Any(item =>
+                item.Teacher!.Name.Contains(teacherKeyword) ||
+                item.Teacher.TeacherNumber.Contains(teacherKeyword)));
+        }
+        if (!string.IsNullOrWhiteSpace(classKeyword))
+        {
+            classKeyword = classKeyword.Trim();
+            source = source.Where(x => x.Classes.Any(item =>
+                item.AdministrativeClass!.Code.Contains(classKeyword) ||
+                item.AdministrativeClass.Name.Contains(classKeyword) ||
+                item.AdministrativeClass.Major!.Name.Contains(classKeyword)));
+        }
 
         var total = await source.CountAsync(cancellationToken);
         var items = await source
diff --git a/src/Jiaowu.Api/Controllers/TeachingTasksController.cs b/src/Jiaowu.Api/Controllers/TeachingTasksController.cs
index 1e413d4..39854a3 100644
--- a/src/Jiaowu.Api/Controllers/TeachingTasksController.cs
+++ b/src/Jiaowu.Api/Controllers/TeachingTasksController.cs
@@ -37,7 +37,9 @@ public sealed class TeachingTasksController(
         Guid? academicTermId = null,
         Guid? collegeId = null,
         TeachingTaskStatus? status = null,
-        CancellationToken cancellationToken = default)
+        CancellationToken cancellationToken = default,
+        string? teacherKeyword = null,
+        string? classKeyword = null)
     {
         page = Math.Max(1, page);
         pageSize = Math.Clamp(pageSize, 10, 100);
@@ -56,6 +58,21 @@ public sealed class TeachingTasksController(
                 x.Course!.Code.Contains(keyword) ||
                 x.Course.Name.Contains(keyword));
         }
+        if (!string.IsNullOrWhiteSpace(teacherKeyword))
+        {
+            teacherKeyword = teacherKeyword.Trim();
+            source = source.Where(x => x.Teachers.Any(item =>
+                item.Teacher!.Name.Contains(teacherKeyword) ||
+                item.Teacher.TeacherNumber.Contains(teacherKeyword)));
+        }
+        if (!string.IsNullOrWhiteSpace(classKeyword))
+        {
+            classKeyword = classKeyword.Trim();
+            source = source.Where(x => x.Classes.Any(item =>
+                item.AdministrativeClass!.Code.Contains(classKeyword) ||
+                item.AdministrativeClass.Name.Contains(classKeyword) ||
+                item.AdministrativeClass.Major!.Name.Contains(classKeyword)));
+        }
 
         var total = await source.CountAsync(cancellationToken);
         var items = await source
diff --git a/web/src/views/GradeAnalyticsView.vue b/web/src/views/GradeAnalyticsView.vue
index 3def705..ccebfce 100644
--- a/web/src/views/GradeAnalyticsView.vue
+++ b/web/src/views/GradeAnalyticsView.vue
@@ -136,6 +136,15 @@ async function loadClasses(reset = false) {
   }
 }
 
+function resetFilters() {
+  termId.value = defaultAcademicTermId(terms.value)
+  collegeId.value = undefined
+  keyword.value = ''
+  teacherKeyword.value = ''
+  riskOnly.value = false
+  loadClasses(true)
+}
+
 async function loadReport(item = selected.value) {
   if (!item) return
   selected.value = item
@@ -428,6 +437,7 @@ onBeforeUnmount(() => {
       <el-input v-model="teacherKeyword" clearable placeholder="任课教师姓名或工号" :prefix-icon="Search" @keyup.enter="loadClasses(true)" @clear="loadClasses(true)" />
       <el-checkbox v-model="riskOnly" @change="loadClasses(true)">仅看预警班</el-checkbox>
       <el-button type="primary" @click="loadClasses(true)">查询</el-button>
+      <el-button :icon="Refresh" @click="resetFilters">重置</el-button>
     </section>
 
     <section class="analytics-shell">
@@ -521,7 +531,9 @@ onBeforeUnmount(() => {
 <style scoped>
 .grade-analytics { --ink: #18324f; --blue: #204f87; --line: #dce3ec; }
 .analytics-intro { align-items: flex-end; }
-.filter-bar { display: grid; grid-template-columns: 240px minmax(260px, 560px) auto; gap: 12px; align-items: center; padding: 16px 18px; background: #f7f9fc; border: 1px solid var(--line); }
+.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 16px 18px; background: #f7f9fc; border: 1px solid var(--line); }
+.filter-bar > :deep(.el-input) { width: min(100%, 280px); }
+.filter-bar > :deep(.el-checkbox) { margin-right: 4px; }
 .analytics-shell { display: grid; grid-template-columns: 292px minmax(0, 1fr); gap: 18px; align-items: start; }
 .class-rail { position: sticky; top: 18px; max-height: calc(100vh - 36px); overflow: auto; background: #f6f8fb; border: 1px solid var(--line); }
 .class-rail > header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; gap: 8px; padding: 15px 16px; background: #eef2f7; border-bottom: 1px solid var(--line); }
@@ -575,7 +587,7 @@ onBeforeUnmount(() => {
   .chart-card-wide { grid-column: auto; }
 }
 @media (max-width: 820px) {
-  .filter-bar { grid-template-columns: 1fr; }
+  .filter-bar { display: grid; grid-template-columns: 1fr; }
   .filter-bar :deep(.el-select) { width: 100% !important; }
   .analytics-shell { grid-template-columns: 1fr; }
   .class-rail { position: static; max-height: 390px; }
diff --git a/web/src/views/GradesView.vue b/web/src/views/GradesView.vue
index bf97a7f..ab014d3 100644
--- a/web/src/views/GradesView.vue
+++ b/web/src/views/GradesView.vue
@@ -36,6 +36,8 @@ const returnDialog = ref(false)
 const termId = ref<string | undefined>()
 const status = ref<string | undefined>()
 const taskKeyword = ref('')
+const teacherKeyword = ref('')
+const classKeyword = ref('')
 const taskPage = ref(1)
 const taskPageSize = 12
 const taskTotal = ref(0)
@@ -149,6 +151,8 @@ async function load(resetPage = false) {
         academicTermId: termId.value,
         status: status.value,
         keyword: taskKeyword.value.trim() || undefined,
+        teacherKeyword: teacherKeyword.value.trim() || undefined,
+        classKeyword: classKeyword.value.trim() || undefined,
         page: taskPage.value,
         pageSize: taskPageSize,
       },
@@ -212,6 +216,15 @@ async function changeTaskPage(page: number) {
   await load()
 }
 
+function resetTaskFilters() {
+  taskKeyword.value = ''
+  teacherKeyword.value = ''
+  classKeyword.value = ''
+  status.value = undefined
+  termId.value = defaultAcademicTermId(terms.value)
+  load(true)
+}
+
 async function searchRecords() {
   recordPage.value = 1
   await loadDetail()
@@ -522,7 +535,10 @@ onMounted(async () => {
         <el-select v-model="status" clearable placeholder="全部状态" @change="load(true)">
           <el-option v-for="(label, value) in statusLabels" :key="value" :label="label" :value="value" />
         </el-select>
+        <el-input v-model="teacherKeyword" clearable :prefix-icon="Search" placeholder="任课教师姓名或工号" @keyup.enter="load(true)" @clear="load(true)" />
+        <el-input v-model="classKeyword" clearable :prefix-icon="Search" placeholder="行政班、专业或班级代码" @keyup.enter="load(true)" @clear="load(true)" />
         <el-button :icon="Search" @click="load(true)">查询</el-button>
+        <el-button :icon="Refresh" @click="resetTaskFilters">重置</el-button>
         <span>共 {{ taskTotal }} 个可管理教学班</span>
       </section>
 
@@ -880,7 +896,8 @@ onMounted(async () => {
 .experiment-import .el-select { width: 165px; }
 .item-score-readonly { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.1; }
 .item-score-readonly small { margin-top: 3px; color: #2d8975; font-size: 10px; font-weight: 650; }
-.grade-toolbar > .el-input { width: min(320px, 100%); }
+.grade-toolbar { flex-wrap: wrap; }
+.grade-toolbar > .el-input { width: min(260px, 100%); }
 .grade-task-pagination { justify-content: center; padding: 14px 8px; border-top: 1px solid var(--line); }
 .grade-record-toolbar {
   display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
diff --git a/web/src/views/TeacherAttendanceView.vue b/web/src/views/TeacherAttendanceView.vue
index 6a2aac6..459df86 100644
--- a/web/src/views/TeacherAttendanceView.vue
+++ b/web/src/views/TeacherAttendanceView.vue
@@ -54,6 +54,7 @@ const now = ref(Date.now())
 const fileInput = ref<HTMLInputElement>()
 const termId = ref<string>()
 const taskKeyword = ref('')
+const taskClassKeyword = ref('')
 const taskPage = ref(1)
 const taskPageSize = 12
 const taskTotal = ref(0)
@@ -126,6 +127,7 @@ async function loadTasks(resetPage = false) {
       params: {
         academicTermId: termId.value || undefined,
         keyword: taskKeyword.value.trim() || undefined,
+        classKeyword: taskClassKeyword.value.trim() || undefined,
         page: taskPage.value,
         pageSize: taskPageSize,
       },
@@ -164,6 +166,20 @@ async function selectTask(task: any) {
   if (activeMode.value === 'statistics') await loadStatistics()
 }
 
+function resetTaskFilters() {
+  taskKeyword.value = ''
+  taskClassKeyword.value = ''
+  termId.value = defaultAcademicTermId(terms.value)
+  loadTasks(true)
+}
+
+function resetSheetFilters() {
+  sheetKeyword.value = ''
+  sheetStatus.value = undefined
+  sheetMethod.value = undefined
+  loadSheets(true)
+}
+
 async function loadSheets(resetPage = false) {
   if (!selectedTask.value) return
   try {
@@ -737,7 +753,15 @@ onUnmounted(() => {
       <el-select v-model="termId" clearable placeholder="全部学期" @change="loadTasks(true)">
         <el-option v-for="term in terms" :key="term.id" :label="academicTermLabel(term)" :value="term.id" :class="academicTermOptionClass(term)" />
       </el-select>
+      <el-input
+        v-model="taskClassKeyword"
+        clearable
+        placeholder="行政班、专业或班级代码"
+        @keyup.enter="loadTasks(true)"
+        @clear="loadTasks(true)"
+      />
       <el-button :icon="Search" @click="loadTasks(true)">查询</el-button>
+      <el-button :icon="Refresh" @click="resetTaskFilters">重置</el-button>
       <span>共 {{ taskTotal }} 个教学班</span>
       <el-radio-group v-model="activeMode" class="mode-switch" size="small">
         <el-radio-button value="rollcall">点名记录</el-radio-button>
@@ -806,6 +830,7 @@ onUnmounted(() => {
                 <el-option label="定位签到" value="Location" />
               </el-select>
               <el-button :icon="Search" @click="loadSheets(true)">筛选</el-button>
+              <el-button :icon="Refresh" @click="resetSheetFilters">重置</el-button>
             </div>
             <div class="attendance-sheet-list">
               <button
diff --git a/web/src/views/TeachingTasksView.vue b/web/src/views/TeachingTasksView.vue
index d830f51..52a1213 100644
--- a/web/src/views/TeachingTasksView.vue
+++ b/web/src/views/TeachingTasksView.vue
@@ -27,7 +27,10 @@ const query = reactive({
   pageSize: 20,
   keyword: '',
   academicTermId: undefined as string | undefined,
+  collegeId: undefined as string | undefined,
   status: undefined as string | undefined,
+  teacherKeyword: '',
+  classKeyword: '',
 })
 const form = reactive<Record<string, any>>({})
 const generationForm = reactive<Record<string, any>>({})
@@ -267,6 +270,8 @@ async function load() {
       params: {
         ...query,
         keyword: query.keyword || undefined,
+        teacherKeyword: query.teacherKeyword.trim() || undefined,
+        classKeyword: query.classKeyword.trim() || undefined,
       },
     })
     rows.value = data.items
@@ -284,7 +289,10 @@ function resetFilters() {
     page: 1,
     keyword: '',
     academicTermId: undefined,
+    collegeId: undefined,
     status: undefined,
+    teacherKeyword: '',
+    classKeyword: '',
   })
   load()
 }
@@ -612,9 +620,14 @@ onMounted(async () => {
         <el-select v-model="query.academicTermId" clearable placeholder="全部学期">
           <el-option v-for="item in terms" :key="item.id" :label="academicTermLabel(item)" :value="item.id" :class="academicTermOptionClass(item)" />
         </el-select>
+        <el-select v-model="query.collegeId" clearable placeholder="全部开课学院">
+          <el-option v-for="item in courseColleges" :key="item.id" :label="item.name" :value="item.id" />
+        </el-select>
         <el-select v-model="query.status" clearable placeholder="全部状态">
           <el-option v-for="(label, value) in statusLabels" :key="value" :label="label" :value="value" />
         </el-select>
+        <el-input v-model="query.teacherKeyword" :prefix-icon="Search" clearable placeholder="任课教师姓名或工号" @keyup.enter="query.page = 1; load()" />
+        <el-input v-model="query.classKeyword" :prefix-icon="Search" clearable placeholder="行政班、专业或班级代码" @keyup.enter="query.page = 1; load()" />
         <el-button type="primary" @click="query.page = 1; load()">查询</el-button>
         <el-button :icon="Refresh" @click="resetFilters">重置</el-button>
       </div>