diff --git a/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
index e10a87ba6..12c6d9049 100644
--- a/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-antd/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -95,6 +95,24 @@ const popOverVisible: any = ref({
   deleteSign: false,
 }); // 气泡卡是否展示
 const returnList = ref([] as any); // 退回节点
+const APPROVAL_ATTACHMENT_FILE_TYPES = [
+  'doc',
+  'docx',
+  'xls',
+  'xlsx',
+  'ppt',
+  'pptx',
+  'txt',
+  'pdf',
+  'jpg',
+  'jpeg',
+  'png',
+  'gif',
+  'bmp',
+  'webp',
+];
+const APPROVAL_ATTACHMENT_FILE_SIZE = 5;
+const APPROVAL_ATTACHMENT_DIRECTORY = 'bpm/task-attachment';
 
 /** 创建流程表达式 */
 function openSignatureModal() {
@@ -772,7 +790,9 @@ const imagePreviewUrl = ref('');
 
 /** 判断文件是否为图片类型 */
 function isImageUrl(url: string) {
-  return /\.(jpg|jpeg|png|gif|bmp|webp|svg)$/i.test(url);
+  return /\.(jpg|jpeg|png|gif|bmp|webp|svg)$/i.test(
+    url.split(/[?#]/)[0] || '',
+  );
 }
 
 /** 处理文件预览 */
@@ -892,8 +912,12 @@ defineExpose({ loadTodoTask });
               <FormItem label="上传附件/图片" name="attachments">
                 <FileUpload
                   v-model:value="approveReasonForm.attachments"
+                  :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                  :directory="APPROVAL_ATTACHMENT_DIRECTORY"
                   :max-number="10"
+                  :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
                   :multiple="true"
+                  :show-description="true"
                   :show-download-icon="false"
                   help-text="支持多文件/图片上传"
                   @preview="handleFilePreview"
@@ -959,8 +983,12 @@ defineExpose({ loadTodoTask });
               <FormItem label="上传附件/图片" name="attachments">
                 <FileUpload
                   v-model:value="rejectReasonForm.attachments"
+                  :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                  :directory="APPROVAL_ATTACHMENT_DIRECTORY"
                   :max-number="10"
+                  :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
                   :multiple="true"
+                  :show-description="true"
                   help-text="支持多文件/图片上传"
                   @preview="handleFilePreview"
                 />
diff --git a/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
index 0e9f2ab7e..50f8dfddb 100644
--- a/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-antd/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -197,7 +197,7 @@ function shouldShowCustomUserSelect(
 /** 判断是否需要显示审批意见和附件 */
 function shouldShowReasonAndAttachment(task: any, nodeType: BpmNodeTypeEnum) {
   return (
-    (task.reason || task.attachments?.length > 0) &&
+    Boolean(task.reason || task.attachments?.length > 0) &&
     [BpmNodeTypeEnum.START_USER_NODE, BpmNodeTypeEnum.USER_TASK_NODE].includes(
       nodeType,
     )
@@ -205,11 +205,17 @@ function shouldShowReasonAndAttachment(task: any, nodeType: BpmNodeTypeEnum) {
 }
 
 function getAttachmentName(url: string) {
-  return decodeURIComponent(url.slice(url.lastIndexOf('/') + 1));
+  const cleanUrl = url.split(/[?#]/)[0] || '';
+  const fileName = cleanUrl.slice(cleanUrl.lastIndexOf('/') + 1);
+  try {
+    return decodeURIComponent(fileName);
+  } catch {
+    return fileName;
+  }
 }
 
 function isImageAttachment(url: string) {
-  const ext = url.split('.').pop()?.toLowerCase();
+  const ext = url.split(/[?#]/)[0]?.split('.').pop()?.toLowerCase();
   return ['bmp', 'gif', 'jpeg', 'jpg', 'png', 'webp'].includes(ext || '');
 }
 
diff --git a/apps/web-antdv-next/src/api/bpm/processInstance/index.ts b/apps/web-antdv-next/src/api/bpm/processInstance/index.ts
index 7ee5421f8..8ed2116c5 100644
--- a/apps/web-antdv-next/src/api/bpm/processInstance/index.ts
+++ b/apps/web-antdv-next/src/api/bpm/processInstance/index.ts
@@ -79,6 +79,7 @@ export namespace BpmProcessInstanceApi {
   export interface ApprovalTaskInfo {
     id: number;
     assigneeUser: User;
+    attachments?: string[];
     ownerUser: User;
     reason: string;
     signPicUrl: string;
diff --git a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
index 423cd8daf..09b55a03f 100644
--- a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -55,6 +55,7 @@ import {
   transferTask,
 } from '#/api/bpm/task';
 import { setConfAndFields2 } from '#/components/form-create';
+import { FileUpload } from '#/components/upload';
 import { $t } from '#/locales';
 
 import Signature from './signature.vue';
@@ -94,6 +95,24 @@ const popOverVisible: any = ref({
   deleteSign: false,
 }); // 气泡卡是否展示
 const returnList = ref([] as any); // 退回节点
+const APPROVAL_ATTACHMENT_FILE_TYPES = [
+  'doc',
+  'docx',
+  'xls',
+  'xlsx',
+  'ppt',
+  'pptx',
+  'txt',
+  'pdf',
+  'jpg',
+  'jpeg',
+  'png',
+  'gif',
+  'bmp',
+  'webp',
+];
+const APPROVAL_ATTACHMENT_FILE_SIZE = 5;
+const APPROVAL_ATTACHMENT_DIRECTORY = 'bpm/task-attachment';
 
 /** 创建流程表达式 */
 function openSignatureModal() {
@@ -120,6 +139,7 @@ const approveReasonForm: any = reactive({
   reason: '',
   signPicUrl: '',
   nextAssignees: {},
+  attachments: [],
 });
 const approveReasonRule: Record<string, any> = computed(() => {
   return {
@@ -142,6 +162,7 @@ const approveReasonRule: Record<string, any> = computed(() => {
 const rejectFormRef = ref<FormInstance>();
 const rejectReasonForm = reactive({
   reason: '',
+  attachments: [],
 }); // 拒绝表单
 const rejectReasonRule: any = computed(() => {
   return {
@@ -290,6 +311,14 @@ function closePopover(type: string, formRef: any | FormInstance) {
   if (formRef) {
     formRef.resetFields();
   }
+  if (type === 'approve') {
+    approveReasonForm.reason = '';
+    approveReasonForm.attachments = [];
+    approveReasonForm.signPicUrl = '';
+  } else if (type === 'reject') {
+    rejectReasonForm.reason = '';
+    rejectReasonForm.attachments = [];
+  }
   if (popOverVisible.value[type]) popOverVisible.value[type] = false;
   nextAssigneesActivityNode.value = [];
   // 清理 Timeline 组件中的自定义审批人数据
@@ -401,6 +430,7 @@ async function handleAudit(pass: boolean, formRef: FormInstance | undefined) {
       const data = {
         id: runningTask.value.id,
         reason: approveReasonForm.reason,
+        attachments: approveReasonForm.attachments,
         variables, // 审批通过, 把修改的字段值赋于流程实例变量
         nextAssignees: approveReasonForm.nextAssignees, // 下个自选节点选择的审批人信息
       } as any;
@@ -414,6 +444,9 @@ async function handleAudit(pass: boolean, formRef: FormInstance | undefined) {
         await formCreateApi.validate();
       }
       await approveTask(data);
+      approveReasonForm.reason = '';
+      approveReasonForm.attachments = [];
+      approveReasonForm.signPicUrl = '';
       popOverVisible.value.approve = false;
       nextAssigneesActivityNode.value = [];
       // 清理 Timeline 组件中的自定义审批人数据
@@ -426,8 +459,11 @@ async function handleAudit(pass: boolean, formRef: FormInstance | undefined) {
       const data = {
         id: runningTask.value.id,
         reason: rejectReasonForm.reason,
+        attachments: rejectReasonForm.attachments,
       };
       await rejectTask(data);
+      rejectReasonForm.reason = '';
+      rejectReasonForm.attachments = [];
       popOverVisible.value.reject = false;
       message.success('审批不通过成功');
     }
@@ -748,6 +784,36 @@ function handleSignFinish(url: string) {
   approveFormRef.value?.validateFields(['signPicUrl']);
 }
 
+/** 附件图片预览 */
+const imagePreviewVisible = ref(false);
+const imagePreviewUrl = ref('');
+
+/** 判断文件是否为图片类型 */
+function isImageUrl(url: string) {
+  return /\.(jpg|jpeg|png|gif|bmp|webp|svg)$/i.test(
+    url.split(/[?#]/)[0] || '',
+  );
+}
+
+/** 处理文件预览 */
+function handleFilePreview(file: any) {
+  if (!file?.url && !file?.response) {
+    message.warning('文件地址不存在，无法预览');
+    return;
+  }
+  const url = file.url || file?.response?.url || file?.response;
+  if (!url) {
+    message.warning('文件地址不存在，无法预览');
+    return;
+  }
+  if (isImageUrl(url)) {
+    imagePreviewUrl.value = url;
+    imagePreviewVisible.value = true;
+  } else {
+    window.open(url, '_blank');
+  }
+}
+
 /** 处理弹窗可见性 */
 function handlePopoverVisible(visible: boolean) {
   if (!visible) {
@@ -843,6 +909,19 @@ defineExpose({ loadTodoTask });
                   :rows="4"
                 />
               </FormItem>
+              <FormItem label="上传附件/图片" name="attachments">
+                <FileUpload
+                  v-model:value="approveReasonForm.attachments"
+                  :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                  :directory="APPROVAL_ATTACHMENT_DIRECTORY"
+                  :max-number="10"
+                  :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
+                  :multiple="true"
+                  :show-description="true"
+                  help-text="支持多文件/图片上传"
+                  @preview="handleFilePreview"
+                />
+              </FormItem>
               <FormItem>
                 <Space>
                   <Button
@@ -900,6 +979,19 @@ defineExpose({ loadTodoTask });
                   :rows="4"
                 />
               </FormItem>
+              <FormItem label="上传附件/图片" name="attachments">
+                <FileUpload
+                  v-model:value="rejectReasonForm.attachments"
+                  :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                  :directory="APPROVAL_ATTACHMENT_DIRECTORY"
+                  :max-number="10"
+                  :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
+                  :multiple="true"
+                  :show-description="true"
+                  help-text="支持多文件/图片上传"
+                  @preview="handleFilePreview"
+                />
+              </FormItem>
               <FormItem>
                 <Button
                   :disabled="formLoading"
@@ -1444,4 +1536,17 @@ defineExpose({ loadTodoTask });
 
   <!-- 签名弹窗 -->
   <SignatureModal @success="handleSignFinish" />
+
+  <!-- 图片预览（隐藏的 Image 组件，仅用于附件预览弹窗） -->
+  <div style="display: none">
+    <Image
+      :preview="{
+        visible: imagePreviewVisible,
+        onVisibleChange: (visible: boolean) => {
+          imagePreviewVisible = visible;
+        },
+      }"
+      :src="imagePreviewUrl"
+    />
+  </div>
 </template>
diff --git a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
index cd677e373..9e82e82ad 100644
--- a/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-antdv-next/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -201,16 +201,31 @@ function shouldShowCustomUserSelect(
   );
 }
 
-/** 判断是否需要显示审批意见 */
-function shouldShowApprovalReason(task: any, nodeType: BpmNodeTypeEnum) {
+/** 判断是否需要显示审批意见和附件 */
+function shouldShowReasonAndAttachment(task: any, nodeType: BpmNodeTypeEnum) {
   return (
-    task.reason &&
+    Boolean(task.reason || task.attachments?.length > 0) &&
     [BpmNodeTypeEnum.START_USER_NODE, BpmNodeTypeEnum.USER_TASK_NODE].includes(
       nodeType,
     )
   );
 }
 
+function getAttachmentName(url: string) {
+  const cleanUrl = url.split(/[?#]/)[0] || '';
+  const fileName = cleanUrl.slice(cleanUrl.lastIndexOf('/') + 1);
+  try {
+    return decodeURIComponent(fileName);
+  } catch {
+    return fileName;
+  }
+}
+
+function isImageAttachment(url: string) {
+  const ext = url.split(/[?#]/)[0]?.split('.').pop()?.toLowerCase();
+  return ['bmp', 'gif', 'jpeg', 'jpg', 'png', 'webp'].includes(ext || '');
+}
+
 /** 用户选择弹窗关闭 */
 function handleUserSelectClosed() {
   selectedUsers.value = [];
@@ -413,13 +428,60 @@ defineExpose({ setCustomApproveUsers, batchSetCustomApproveUsers });
                 </div>
               </div>
 
-              <!-- 审批意见和签名 -->
+              <!-- 审批意见,附件和签名 -->
               <teleport defer :to="`#activity-task-${activity.id}-${index}`">
                 <div
-                  v-if="shouldShowApprovalReason(task, activity.nodeType)"
+                  v-if="shouldShowReasonAndAttachment(task, activity.nodeType)"
                   class="mt-1 w-full rounded-md bg-gray-100 p-2 text-sm text-gray-500"
                 >
-                  审批意见：{{ task.reason }}
+                  <div v-if="task.reason">审批意见：{{ task.reason }}</div>
+                  <div
+                    v-if="(task.attachments?.length || 0) > 0"
+                    :class="{
+                      'mt-2 border-t border-dashed border-gray-300 pt-2':
+                        task.reason,
+                    }"
+                  >
+                    <div class="mb-1 text-xs font-semibold text-gray-400">
+                      附件列表：
+                    </div>
+                    <div class="flex flex-col gap-1.5">
+                      <template
+                        v-for="(
+                          attachment, attachmentIndex
+                        ) in task.attachments"
+                        :key="attachmentIndex"
+                      >
+                        <div class="flex items-center gap-2">
+                          <IconifyIcon
+                            :icon="
+                              isImageAttachment(attachment)
+                                ? 'lucide:image'
+                                : 'lucide:file-text'
+                            "
+                            class="text-gray-400"
+                          />
+                          <Image
+                            v-if="isImageAttachment(attachment)"
+                            :width="32"
+                            :height="32"
+                            class="rounded border border-solid border-gray-200 object-cover"
+                            :src="attachment"
+                            :preview="{ src: attachment }"
+                          />
+                          <a
+                            v-else
+                            :href="attachment"
+                            target="_blank"
+                            class="max-w-[240px] truncate text-blue-500 hover:text-blue-600 hover:underline"
+                            :title="getAttachmentName(attachment)"
+                          >
+                            {{ getAttachmentName(attachment) }}
+                          </a>
+                        </div>
+                      </template>
+                    </div>
+                  </div>
                 </div>
                 <div
                   v-if="
diff --git a/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue b/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
index 3d5c04d5f..b84809e35 100644
--- a/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
+++ b/apps/web-ele/src/views/bpm/processInstance/detail/modules/operation-button.vue
@@ -95,6 +95,24 @@ const popOverVisible: any = ref({
   deleteSign: false,
 }); // 气泡卡是否展示
 const returnList = ref([] as any); // 退回节点
+const APPROVAL_ATTACHMENT_FILE_TYPES = [
+  'doc',
+  'docx',
+  'xls',
+  'xlsx',
+  'ppt',
+  'pptx',
+  'txt',
+  'pdf',
+  'jpg',
+  'jpeg',
+  'png',
+  'gif',
+  'bmp',
+  'webp',
+];
+const APPROVAL_ATTACHMENT_FILE_SIZE = 5;
+const APPROVAL_ATTACHMENT_DIRECTORY = 'bpm/task-attachment';
 
 /** 创建流程表达式 */
 function openSignatureModal() {
@@ -778,7 +796,9 @@ function handleSignFinish(url: string) {
 
 /** 判断文件是否为图片类型 */
 function isImageUrl(url: string) {
-  return /\.(jpg|jpeg|png|gif|bmp|webp|svg)$/i.test(url);
+  return /\.(jpg|jpeg|png|gif|bmp|webp|svg)$/i.test(
+    url.split(/[?#]/)[0] || '',
+  );
 }
 
 /** 附件图片预览 */
@@ -899,8 +919,12 @@ defineExpose({ loadTodoTask });
             <ElFormItem label="上传附件/图片" prop="attachments">
               <FileUpload
                 v-model:value="approveReasonForm.attachments"
+                :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                :directory="APPROVAL_ATTACHMENT_DIRECTORY"
                 :max-number="10"
+                :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
                 :multiple="true"
+                :show-description="true"
                 help-text="支持多文件/图片上传"
                 @preview="handleFilePreview"
               />
@@ -966,8 +990,12 @@ defineExpose({ loadTodoTask });
             <ElFormItem label="上传附件/图片" prop="attachments">
               <FileUpload
                 v-model:value="rejectReasonForm.attachments"
+                :accept="APPROVAL_ATTACHMENT_FILE_TYPES"
+                :directory="APPROVAL_ATTACHMENT_DIRECTORY"
                 :max-number="10"
+                :max-size="APPROVAL_ATTACHMENT_FILE_SIZE"
                 :multiple="true"
+                :show-description="true"
                 help-text="支持多文件/图片上传"
                 @preview="handleFilePreview"
               />
diff --git a/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue b/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
index a7c19037f..b999c8a89 100644
--- a/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
+++ b/apps/web-ele/src/views/bpm/processInstance/detail/modules/time-line.vue
@@ -204,7 +204,7 @@ function shouldShowCustomUserSelect(
 /** 判断是否需要显示审批意见和附件 */
 function shouldShowReasonAndAttachment(task: any, nodeType: BpmNodeTypeEnum) {
   return (
-    (task.reason || task.attachments?.length > 0) &&
+    Boolean(task.reason || task.attachments?.length > 0) &&
     [BpmNodeTypeEnum.START_USER_NODE, BpmNodeTypeEnum.USER_TASK_NODE].includes(
       nodeType,
     )
@@ -212,11 +212,17 @@ function shouldShowReasonAndAttachment(task: any, nodeType: BpmNodeTypeEnum) {
 }
 
 function getAttachmentName(url: string) {
-  return decodeURIComponent(url.slice(url.lastIndexOf('/') + 1));
+  const cleanUrl = url.split(/[?#]/)[0] || '';
+  const fileName = cleanUrl.slice(cleanUrl.lastIndexOf('/') + 1);
+  try {
+    return decodeURIComponent(fileName);
+  } catch {
+    return fileName;
+  }
 }
 
 function isImageAttachment(url: string) {
-  const ext = url.split('.').pop()?.toLowerCase();
+  const ext = url.split(/[?#]/)[0]?.split('.').pop()?.toLowerCase();
   return ['bmp', 'gif', 'jpeg', 'jpg', 'png', 'webp'].includes(ext || '');
 }