diff --git a/src/views/components/TrainingMaterialButton.vue b/src/views/components/TrainingMaterialButton.vue
index 80833f6..5c9d780 100644
--- a/src/views/components/TrainingMaterialButton.vue
+++ b/src/views/components/TrainingMaterialButton.vue
@@ -5,25 +5,26 @@
                 <View />
             </el-icon>预览案例资料
         </el-button>
-        <el-button class="material-button" :plain="!caseMaterial?.url" @click="downloadMaterial(caseMaterial, '案例资料')">
+        <!-- 教师端未上传的资料类型，学生端直接不显示对应按钮 -->
+        <el-button v-if="caseMaterial" class="material-button" @click="downloadMaterial(caseMaterial, '案例资料')">
             <el-icon>
                 <Download />
             </el-icon>案例资料
         </el-button>
-        <el-button class="material-button" :plain="!trainingData?.url" @click="downloadMaterial(trainingData, '实训数据')">
+        <el-button v-if="trainingData" class="material-button" @click="downloadMaterial(trainingData, '案例视频')">
             <el-icon>
                 <Download />
-            </el-icon>实训数据
+            </el-icon>案例视频
         </el-button>
-        <el-button class="material-button" :plain="!guideManual?.url" @click="downloadMaterial(guideManual, '实训指导手册')">
+        <el-button v-if="guideManual" class="material-button" @click="downloadMaterial(guideManual, '实训指导手册')">
             <el-icon>
                 <Download />
             </el-icon>实训指导手册
         </el-button>
-        <el-button class="material-button" :plain="!aiManual?.url" @click="downloadMaterial(aiManual, 'AI辅助指导手册')">
+        <el-button v-if="aiManual" class="material-button" @click="downloadMaterial(aiManual, 'AI排错指导手册')">
             <el-icon>
                 <Download />
-            </el-icon>AI辅助指导手册
+            </el-icon>AI排错指导手册
         </el-button>
     </div>
 
@@ -45,13 +46,13 @@ const props = defineProps({
     materialUrl: { type: String, default: "" },
     caseMaterialName: { type: String, default: "" },
     caseMaterialUrl: { type: String, default: "" },
-    // 实训数据
+    // 案例视频（内部字段沿用 trainingData 命名）
     trainingDataName: { type: String, default: "" },
     trainingDataUrl: { type: String, default: "" },
     // 实训指导手册
     guideManualName: { type: String, default: "" },
     guideManualUrl: { type: String, default: "" },
-    // AI 辅助指导手册
+    // AI 排错指导手册（内部字段沿用 aiManual 命名）
     aiManualName: { type: String, default: "" },
     aiManualUrl: { type: String, default: "" }
 })
diff --git a/src/views/schoolAdmin/trainingTask/index.vue b/src/views/schoolAdmin/trainingTask/index.vue
index 68d0628..dae2a16 100644
--- a/src/views/schoolAdmin/trainingTask/index.vue
+++ b/src/views/schoolAdmin/trainingTask/index.vue
@@ -352,36 +352,46 @@
               <span class="section-number">03</span>
               <div class="section-info">
                 <h4>资料与步骤</h4>
-                <p>上传案例资料，配置实训步骤</p>
+                <p>上传案例资料、案例视频、实训指导手册与AI排错指导手册，配置实训步骤</p>
               </div>
             </div>
-            <div class="material-row">
+            <div v-for="slot in materialSlots" :key="slot.key" class="material-row">
               <div class="material-info">
                 <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                   <path d="M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z"/>
                   <polyline points="14 2 14 8 20 8"/>
                 </svg>
                 <div class="material-text">
-                  <span v-if="hasTaskMaterial" class="material-link">{{ taskForm.materialName }}</span>
-                  <span v-else class="material-placeholder">暂未上传案例资料</span>
+                  <span class="material-label">{{ slot.label }}</span>
+                  <span v-if="hasMaterial(slot.key)" class="material-link">{{ taskForm[`${slot.key}Name`] }}</span>
+                  <span v-else class="material-placeholder">暂未上传</span>
                 </div>
               </div>
-              <el-upload
-                v-if="!isReadonly"
-                action="#"
-                :auto-upload="false"
-                :show-file-list="false"
-                :on-change="handleMaterialChange"
-              >
-                <el-button type="primary" :loading="materialUploading" class="upload-btn">
-                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-                    <path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/>
-                    <polyline points="17 8 12 3 7 8"/>
-                    <line x1="12" y1="3" x2="12" y2="15"/>
-                  </svg>
-                  {{ materialUploading ? '上传中...' : '上传案例资料' }}
-                </el-button>
-              </el-upload>
+              <div class="material-ops">
+                <el-upload
+                  v-if="!isReadonly"
+                  action="#"
+                  :auto-upload="false"
+                  :show-file-list="false"
+                  :on-change="(file) => handleMaterialChange(slot.key, file)"
+                >
+                  <el-button type="primary" :loading="uploadingField === slot.key" class="upload-btn">
+                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                      <path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/>
+                      <polyline points="17 8 12 3 7 8"/>
+                      <line x1="12" y1="3" x2="12" y2="15"/>
+                    </svg>
+                    {{ uploadingField === slot.key ? '上传中...' : '上传' }}
+                  </el-button>
+                </el-upload>
+                <el-button
+                  v-if="!isReadonly && hasMaterial(slot.key)"
+                  type="danger"
+                  plain
+                  class="clear-material-btn"
+                  @click="clearMaterial(slot.key)"
+                >清除</el-button>
+              </div>
             </div>
 
             <el-form-item label="步骤名称：">
@@ -453,14 +463,20 @@ const activeProject = ref("");
 const keyword = ref("");
 const loading = ref(false);
 const saving = ref(false);
-const materialUploading = ref(false);
+const uploadingField = ref("");
+// 四类资料槽位：key 对应 taskForm 的 `${key}Name` / `${key}Url` 字段
+const materialSlots = [
+  { key: "material", label: "案例资料" },
+  { key: "trainingData", label: "案例视频" },
+  { key: "guideManual", label: "实训指导手册" },
+  { key: "aiManual", label: "AI排错指导手册" },
+];
 const tasks = ref([]);
 const dialogVisible = ref(false);
 const dialogMode = ref("view");
 const currentTaskId = ref("");
 const taskForm = reactive(createEmptyTask());
 const isReadonly = computed(() => dialogMode.value === "view");
-const hasTaskMaterial = computed(() => isRealMaterial(taskForm.materialName, taskForm.materialUrl));
 
 const enabledCount = computed(() => tasks.value.filter(t => t.enabled).length);
 
@@ -542,14 +558,31 @@ function createEmptyTask() {
     requirements: "",
     materialName: "",
     materialUrl: "",
+    trainingDataName: "",
+    trainingDataUrl: "",
+    guideManualName: "",
+    guideManualUrl: "",
+    aiManualName: "",
+    aiManualUrl: "",
     steps: createBuiltinSteps(),
     sort: 0,
     enabled: true,
   };
 }
 
+function hasMaterial(slotKey) {
+  return isRealMaterial(taskForm[`${slotKey}Name`], taskForm[`${slotKey}Url`]);
+}
+
+function materialLabel(slotKey) {
+  return materialSlots.find((slot) => slot.key === slotKey)?.label || "资料";
+}
+
 function normalizeTask(task) {
   const material = normalizeMaterial(task.materialName, task.materialUrl);
+  const trainingData = normalizeMaterial(task.trainingDataName, task.trainingDataUrl);
+  const guideManual = normalizeMaterial(task.guideManualName, task.guideManualUrl);
+  const aiManual = normalizeMaterial(task.aiManualName, task.aiManualUrl);
   return {
     id: task.id,
     taskKey: task.taskKey,
@@ -560,6 +593,12 @@ function normalizeTask(task) {
     requirements: task.requirements || "",
     materialName: material.name,
     materialUrl: material.url,
+    trainingDataName: trainingData.name,
+    trainingDataUrl: trainingData.url,
+    guideManualName: guideManual.name,
+    guideManualUrl: guideManual.url,
+    aiManualName: aiManual.name,
+    aiManualUrl: aiManual.url,
     steps: normalizeSteps(parseArray(task.steps, createBuiltinSteps())),
     sort: task.sort || 0,
     enabled: task.enabled !== false,
@@ -664,24 +703,29 @@ async function handleImportChange(file) {
   queryTasks();
 }
 
-async function handleMaterialChange(file) {
+async function handleMaterialChange(slotKey, file) {
   const rawFile = file?.raw;
   if (!rawFile) return;
   const data = new FormData();
   data.append("file", rawFile);
-  materialUploading.value = true;
+  uploadingField.value = slotKey;
   try {
     const res = await uploadTrainingTaskMaterial(data);
-    taskForm.materialName = res?.originalFilename || rawFile.name || file?.name || taskForm.materialName;
-    taskForm.materialUrl = res?.url || res?.fileName || "";
-    proxy?.$modal?.msgSuccess("案例资料上传成功");
+    taskForm[`${slotKey}Name`] = res?.originalFilename || rawFile.name || file?.name || taskForm[`${slotKey}Name`];
+    taskForm[`${slotKey}Url`] = res?.url || res?.fileName || "";
+    proxy?.$modal?.msgSuccess(`${materialLabel(slotKey)}上传成功`);
   } catch (error) {
-    proxy?.$modal?.msgError?.("案例资料上传失败");
+    proxy?.$modal?.msgError?.(`${materialLabel(slotKey)}上传失败`);
   } finally {
-    materialUploading.value = false;
+    uploadingField.value = "";
   }
 }
 
+function clearMaterial(slotKey) {
+  taskForm[`${slotKey}Name`] = "";
+  taskForm[`${slotKey}Url`] = "";
+}
+
 async function downloadTemplate() {
   const blob = await downloadTrainingTaskTemplate();
   const url = URL.createObjectURL(new Blob([blob]));
@@ -721,6 +765,12 @@ function buildPayload() {
     steps: JSON.stringify(taskForm.steps.map((item) => ({ ...item, name: item.name.trim() })).filter((item) => item.name)),
     materialName: taskForm.materialName,
     materialUrl: taskForm.materialUrl,
+    trainingDataName: taskForm.trainingDataName,
+    trainingDataUrl: taskForm.trainingDataUrl,
+    guideManualName: taskForm.guideManualName,
+    guideManualUrl: taskForm.guideManualUrl,
+    aiManualName: taskForm.aiManualName,
+    aiManualUrl: taskForm.aiManualUrl,
     sort: taskForm.sort,
     enabled: taskForm.enabled,
   };
@@ -1628,15 +1678,32 @@ function buildPayload() {
   display: flex;
   align-items: center;
   gap: 12px;
+  min-width: 0;
 
   > svg {
     flex-shrink: 0;
     color: #00aaff;
   }
 
+  .material-text {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    min-width: 0;
+  }
+
+  .material-label {
+    flex-shrink: 0;
+    color: #e2f3ff;
+    font-weight: 600;
+  }
+
   .material-link {
+    overflow: hidden;
     color: #00aaff;
     font-weight: 600;
+    text-overflow: ellipsis;
+    white-space: nowrap;
   }
 
   .material-placeholder {
@@ -1645,6 +1712,18 @@ function buildPayload() {
   }
 }
 
+.material-ops {
+  display: flex;
+  align-items: center;
+  flex-shrink: 0;
+  gap: 8px;
+
+  .clear-material-btn {
+    height: 32px;
+    font-weight: 600;
+  }
+}
+
 .upload-btn {
   display: flex;
   align-items: center;
diff --git a/src/views/teacherEnd/trainingTask/index.vue b/src/views/teacherEnd/trainingTask/index.vue
index f268177..397f9ce 100644
--- a/src/views/teacherEnd/trainingTask/index.vue
+++ b/src/views/teacherEnd/trainingTask/index.vue
@@ -308,10 +308,10 @@
                             <span class="section-number">03</span>
                             <div class="section-info">
                                 <h4>资料与步骤</h4>
-                                <p>上传案例资料，配置实训步骤</p>
+                                <p>上传案例资料、案例视频、实训指导手册与AI排错指导手册，配置实训步骤</p>
                             </div>
                         </div>
-                        <div class="material-row">
+                        <div v-for="slot in materialSlots" :key="slot.key" class="material-row">
                             <div class="material-info">
                                 <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor"
                                     stroke-width="2">
@@ -319,23 +319,29 @@
                                     <polyline points="14 2 14 8 20 8" />
                                 </svg>
                                 <div class="material-text">
-                                    <span v-if="hasTaskMaterial" class="material-link">{{ taskForm.materialName
-                                        }}</span>
-                                    <span v-else class="material-placeholder">暂未上传案例资料</span>
+                                    <span class="material-label">{{ slot.label }}</span>
+                                    <span v-if="hasMaterial(slot.key)" class="material-link">{{
+                                        taskForm[`${slot.key}Name`] }}</span>
+                                    <span v-else class="material-placeholder">暂未上传</span>
                                 </div>
                             </div>
-                            <el-upload v-if="!isReadonly" action="#" :auto-upload="false" :show-file-list="false"
-                                :on-change="handleMaterialChange">
-                                <el-button type="primary" :loading="materialUploading" class="upload-btn">
-                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor"
-                                        stroke-width="2">
-                                        <path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4" />
-                                        <polyline points="17 8 12 3 7 8" />
-                                        <line x1="12" y1="3" x2="12" y2="15" />
-                                    </svg>
-                                    {{ materialUploading ? "上传中..." : "上传案例资料" }}
-                                </el-button>
-                            </el-upload>
+                            <div class="material-ops">
+                                <el-upload v-if="!isReadonly" action="#" :auto-upload="false" :show-file-list="false"
+                                    :on-change="(file) => handleMaterialChange(slot.key, file)">
+                                    <el-button type="primary" :loading="uploadingField === slot.key"
+                                        class="upload-btn">
+                                        <svg width="14" height="14" viewBox="0 0 24 24" fill="none"
+                                            stroke="currentColor" stroke-width="2">
+                                            <path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4" />
+                                            <polyline points="17 8 12 3 7 8" />
+                                            <line x1="12" y1="3" x2="12" y2="15" />
+                                        </svg>
+                                        {{ uploadingField === slot.key ? "上传中..." : "上传" }}
+                                    </el-button>
+                                </el-upload>
+                                <el-button v-if="!isReadonly && hasMaterial(slot.key)" type="danger" plain
+                                    class="clear-material-btn" @click="clearMaterial(slot.key)">清除</el-button>
+                            </div>
                         </div>
 
                         <el-form-item label="步骤名称：">
@@ -417,7 +423,14 @@ const loading = ref(false)
 const classesLoading = ref(false)
 const saving = ref(false)
 const restoring = ref(false)
-const materialUploading = ref(false)
+const uploadingField = ref("")
+// 四类资料槽位：key 对应 taskForm 的 `${key}Name` / `${key}Url` 字段
+const materialSlots = [
+    { key: "material", label: "案例资料" },
+    { key: "trainingData", label: "案例视频" },
+    { key: "guideManual", label: "实训指导手册" },
+    { key: "aiManual", label: "AI排错指导手册" },
+]
 const tasks = ref([])
 const classList = ref([])
 const selectedTeachingClassId = ref("")
@@ -426,7 +439,6 @@ const dialogMode = ref("view")
 const taskForm = reactive(createEmptyTask())
 const currentUserId = computed(() => userStore.userInfo.userId)
 const isReadonly = computed(() => dialogMode.value === "view")
-const hasTaskMaterial = computed(() => isRealMaterial(taskForm.materialName, taskForm.materialUrl))
 const projects = computed(() => [...new Set(tasks.value.map((task) => task.project).filter(Boolean))])
 const projectOptions = computed(() => {
     return projects.value.map((project) => ({
@@ -564,14 +576,31 @@ function createEmptyTask() {
         requirements: "",
         materialName: "",
         materialUrl: "",
+        trainingDataName: "",
+        trainingDataUrl: "",
+        guideManualName: "",
+        guideManualUrl: "",
+        aiManualName: "",
+        aiManualUrl: "",
         steps: createBuiltinSteps(),
         sort: 0,
         enabled: true,
     }
 }
 
+function hasMaterial(slotKey) {
+    return isRealMaterial(taskForm[`${slotKey}Name`], taskForm[`${slotKey}Url`])
+}
+
+function materialLabel(slotKey) {
+    return materialSlots.find((slot) => slot.key === slotKey)?.label || "资料"
+}
+
 function normalizeTask(task) {
     const material = normalizeMaterial(task.materialName, task.materialUrl)
+    const trainingData = normalizeMaterial(task.trainingDataName, task.trainingDataUrl)
+    const guideManual = normalizeMaterial(task.guideManualName, task.guideManualUrl)
+    const aiManual = normalizeMaterial(task.aiManualName, task.aiManualUrl)
     return {
         id: task.id,
         taskKey: task.taskKey,
@@ -582,6 +611,12 @@ function normalizeTask(task) {
         requirements: task.requirements || "",
         materialName: material.name,
         materialUrl: material.url,
+        trainingDataName: trainingData.name,
+        trainingDataUrl: trainingData.url,
+        guideManualName: guideManual.name,
+        guideManualUrl: guideManual.url,
+        aiManualName: aiManual.name,
+        aiManualUrl: aiManual.url,
         steps: normalizeSteps(parseArray(task.steps, createBuiltinSteps())),
         sort: task.sort || 0,
         enabled: task.enabled !== false,
@@ -693,24 +728,29 @@ function removeStep(index) {
     taskForm.steps.splice(index, 1)
 }
 
-async function handleMaterialChange(file) {
+async function handleMaterialChange(slotKey, file) {
     const rawFile = file?.raw
     if (!rawFile) return
     const data = new FormData()
     data.append("file", rawFile)
-    materialUploading.value = true
+    uploadingField.value = slotKey
     try {
         const res = await uploadTrainingTaskMaterial(data)
-        taskForm.materialName = res?.originalFilename || rawFile.name || file?.name || taskForm.materialName
-        taskForm.materialUrl = normalizeMaterialUrl(res?.url || res?.fileName || "")
-        proxy?.$modal?.msgSuccess("案例资料上传成功")
+        taskForm[`${slotKey}Name`] = res?.originalFilename || rawFile.name || file?.name || taskForm[`${slotKey}Name`]
+        taskForm[`${slotKey}Url`] = normalizeMaterialUrl(res?.url || res?.fileName || "")
+        proxy?.$modal?.msgSuccess(`${materialLabel(slotKey)}上传成功`)
     } catch (error) {
-        proxy?.$modal?.msgError?.("案例资料上传失败")
+        proxy?.$modal?.msgError?.(`${materialLabel(slotKey)}上传失败`)
     } finally {
-        materialUploading.value = false
+        uploadingField.value = ""
     }
 }
 
+function clearMaterial(slotKey) {
+    taskForm[`${slotKey}Name`] = ""
+    taskForm[`${slotKey}Url`] = ""
+}
+
 async function submitTask() {
     if (!selectedTeachingClass.value || !taskForm.taskKey) {
         proxy?.$modal?.msgError?.("请选择教学班后再保存")
@@ -812,6 +852,12 @@ function buildPayload() {
         steps: JSON.stringify(taskForm.steps.map((item) => ({ ...item, name: item.name.trim() })).filter((item) => item.name)),
         materialName: taskForm.materialName,
         materialUrl: taskForm.materialUrl,
+        trainingDataName: taskForm.trainingDataName,
+        trainingDataUrl: taskForm.trainingDataUrl,
+        guideManualName: taskForm.guideManualName,
+        guideManualUrl: taskForm.guideManualUrl,
+        aiManualName: taskForm.aiManualName,
+        aiManualUrl: taskForm.aiManualUrl,
         sort: taskForm.sort,
         enabled: taskForm.enabled,
     }
@@ -1467,16 +1513,34 @@ function buildPayload() {
     display: flex;
     align-items: center;
     gap: var(--sp-2);
+    min-width: 0;
 
     >svg {
         flex-shrink: 0;
         color: var(--edu-primary);
     }
 
+    .material-text {
+        display: flex;
+        align-items: center;
+        gap: var(--sp-2);
+        min-width: 0;
+    }
+
+    .material-label {
+        flex-shrink: 0;
+        color: var(--text-strong);
+        font-size: var(--fs-body);
+        font-weight: 600;
+    }
+
     .material-link {
+        overflow: hidden;
         color: var(--edu-primary);
         font-weight: 600;
         font-size: var(--fs-body);
+        text-overflow: ellipsis;
+        white-space: nowrap;
     }
 
     .material-placeholder {
@@ -1486,6 +1550,19 @@ function buildPayload() {
     }
 }
 
+.material-ops {
+    display: flex;
+    align-items: center;
+    flex-shrink: 0;
+    gap: var(--sp-2);
+
+    .clear-material-btn {
+        height: 32px;
+        font-size: var(--fs-body);
+        font-weight: 600;
+    }
+}
+
 .step-list {
     display: flex;
     flex-direction: column;