diff --git a/src/components/custom/user-select-modal.vue b/src/components/custom/user-select-modal.vue
index d2757ad0..8684e94a 100644
--- a/src/components/custom/user-select-modal.vue
+++ b/src/components/custom/user-select-modal.vue
@@ -251,7 +251,7 @@ watch(visible, () => {
           :title="$t('page.system.user.title')"
           :bordered="false"
           size="small"
-          class="sm:flex-1-hidden card-wrapper lt-sm:overflow-auto"
+          class="card-wrapper sm:flex-1-hidden lt-sm:overflow-auto"
         >
           <template #header-extra>
             <TableHeaderOperation
diff --git a/src/components/custom/workflow/approval-info-panel.vue b/src/components/custom/workflow/approval-info-panel.vue
index 2f94efe3..594cd287 100644
--- a/src/components/custom/workflow/approval-info-panel.vue
+++ b/src/components/custom/workflow/approval-info-panel.vue
@@ -128,12 +128,7 @@ async function initData() {
   activeTab.value = 'image';
   instanceId.value = undefined;
   hisTask.value = [];
-  startLoading();
-  try {
-    await getData();
-  } finally {
-    endLoading();
-  }
+  await getData();
 }
 
 async function getData() {
diff --git a/src/components/custom/workflow/flow-intervene-modal.vue b/src/components/custom/workflow/flow-intervene-modal.vue
index d65be204..5e0a58e5 100644
--- a/src/components/custom/workflow/flow-intervene-modal.vue
+++ b/src/components/custom/workflow/flow-intervene-modal.vue
@@ -1,16 +1,19 @@
 <script lang="ts" setup>
-import { computed, reactive, watch } from 'vue';
-import { useBoolean } from '@sa/hooks';
-import { fetchTaskOperate, fetchTerminateTask } from '@/service/api/workflow/task';
+import { computed, reactive, ref, watch } from 'vue';
+import { useBoolean, useLoading } from '@sa/hooks';
+import { fetchGetTask, fetchTaskOperate, fetchTerminateTask } from '@/service/api/workflow/task';
 
 defineOptions({
   name: 'FlowInterveneModal'
 });
 
-const { bool: multiInstanceVisible, setTrue: openMultiInstanceModal } = useBoolean();
+const { loading, startLoading, endLoading } = useLoading();
+const { bool: addSignatureVisible, setTrue: openAddSignatureModal } = useBoolean();
 const { bool: transferVisible, setTrue: openTransferModal } = useBoolean();
 interface Props {
-  rowData: Api.Workflow.Task;
+  taskId: CommonType.IdType;
+  assigneeIds: CommonType.IdType[];
+  assigneeNames: string[];
 }
 
 const props = defineProps<Props>();
@@ -21,24 +24,25 @@ interface Emits {
 
 const emit = defineEmits<Emits>();
 
-const isWaiting = computed(() => props.rowData.flowStatus === 'waiting');
+const taskInfo = ref<Api.Workflow.Task>();
+
+const isWaiting = computed(() => taskInfo.value?.flowStatus === 'waiting');
 
 // 流程签署比例值 大于0为票签，会签
-const isTicketOrSignInstance = computed(() => Number(props.rowData.nodeRatio) > 0);
+const isTicketOrSignInstance = computed(() => Number(taskInfo.value?.nodeRatio) > 0);
 
 const visible = defineModel<boolean>('visible', {
   default: false
 });
 
 type Model = Api.Workflow.TaskOperateParams;
-
 const model: Model = reactive(createDefaultModel());
 
 function createDefaultModel(): Model {
   return {
     taskId: null,
-    userId: null,
-    userIds: null,
+    userId: undefined,
+    userIds: undefined,
     message: ''
   };
 }
@@ -77,6 +81,30 @@ function handleTransferConfirm(ids: CommonType.IdType[]) {
   });
 }
 
+function handleAddSignatureConfirm(ids: CommonType.IdType[]) {
+  if (ids.length === 0) {
+    window.$message?.error('请选择加签用户');
+    return;
+  }
+  model.userIds = ids;
+  window.$dialog?.warning({
+    title: '提示',
+    content: '是否确认加签?',
+    positiveText: '确认加签',
+    positiveButtonProps: {
+      type: 'primary'
+    },
+    negativeText: '取消',
+    onPositiveClick: async () => {
+      const { error } = await fetchTaskOperate(model, 'addSignature');
+      if (error) return;
+      window.$message?.success('加签成功');
+      visible.value = false;
+      emit('refresh');
+    }
+  });
+}
+
 function handleTerminate() {
   window.$dialog?.warning({
     title: '提示',
@@ -96,62 +124,72 @@ function handleTerminate() {
   });
 }
 
+async function getTaskInfo() {
+  startLoading();
+  const { error, data } = await fetchGetTask(props.taskId);
+  if (error) return;
+  taskInfo.value = data;
+  endLoading();
+}
+
 watch(visible, () => {
   if (visible.value) {
-    Object.assign(model, createDefaultModel());
-    model.taskId = props.rowData.id;
-    Object.assign(terminateModel, createDefaultTerminateModel());
-    terminateModel.taskId = props.rowData.id;
+    getTaskInfo();
   }
 });
 </script>
 
 <template>
-  <NModal v-model:show="visible" class="max-h-520px max-w-90% w-700px" title="流程干预" preset="card" size="medium">
-    <NDescriptions :title="props.rowData.flowName" label-placement="left" :column="2" size="small" bordered>
-      <NDescriptionsItem label="任务名称">
-        {{ props.rowData.nodeName }}
-      </NDescriptionsItem>
-      <NDescriptionsItem label="节点编码">
-        {{ props.rowData.nodeCode }}
-      </NDescriptionsItem>
-      <NDescriptionsItem label="开始时间">
-        {{ props.rowData.createTime }}
-      </NDescriptionsItem>
-      <NDescriptionsItem label="流程实例ID">
-        {{ props.rowData.instanceId }}
-      </NDescriptionsItem>
-      <NDescriptionsItem label="办理人">
-        <GroupTag :value="props.rowData.assigneeNames" />
-      </NDescriptionsItem>
-      <NDescriptionsItem label="版本号">
-        <NTag type="info" size="small">v{{ props.rowData.version }}.0</NTag>
-      </NDescriptionsItem>
-      <NDescriptionsItem label="业务ID">
-        {{ props.rowData.businessId }}
-      </NDescriptionsItem>
-    </NDescriptions>
+  <NModal
+    v-model:show="visible"
+    class="max-h-520px max-w-90% w-700px"
+    title="流程干预"
+    preset="card"
+    size="medium"
+    :native-scrollbar="false"
+  >
+    <NSpin :show="loading">
+      <NDescriptions :title="taskInfo?.flowName" label-placement="left" :column="2" size="small" bordered>
+        <NDescriptionsItem label="任务名称">
+          {{ taskInfo?.nodeName }}
+        </NDescriptionsItem>
+        <NDescriptionsItem label="节点编码">
+          {{ taskInfo?.nodeCode }}
+        </NDescriptionsItem>
+        <NDescriptionsItem label="开始时间">
+          {{ taskInfo?.createTime }}
+        </NDescriptionsItem>
+        <NDescriptionsItem label="流程实例ID">
+          {{ taskInfo?.instanceId }}
+        </NDescriptionsItem>
+        <NDescriptionsItem label="办理人">
+          <GroupTag :value="assigneeNames" />
+        </NDescriptionsItem>
+        <NDescriptionsItem label="版本号">
+          <NTag type="info" size="small">v{{ taskInfo?.version }}.0</NTag>
+        </NDescriptionsItem>
+        <NDescriptionsItem label="业务ID">
+          {{ taskInfo?.businessId }}
+        </NDescriptionsItem>
+      </NDescriptions>
+    </NSpin>
+
     <template #footer>
       <NSpace justify="end" :size="16">
         <NButton v-if="isWaiting" type="primary" @click="openTransferModal">转办</NButton>
-        <NButton v-if="isWaiting && isTicketOrSignInstance" type="primary" @click="openMultiInstanceModal">
-          加签
-        </NButton>
+        <NButton v-if="isWaiting && isTicketOrSignInstance" type="primary" @click="openAddSignatureModal">加签</NButton>
         <NButton v-if="isWaiting && isTicketOrSignInstance" type="primary">减签</NButton>
         <NButton v-if="isWaiting" type="error" @click="handleTerminate">中止</NButton>
       </NSpace>
     </template>
     <!-- 转办用户选择器 -->
-    <UserSelectModal
-      v-model:visible="transferVisible"
-      :disabled-ids="props.rowData.assigneeIds.split(',')"
-      @confirm="handleTransferConfirm"
-    />
+    <UserSelectModal v-model:visible="transferVisible" :disabled-ids="assigneeIds" @confirm="handleTransferConfirm" />
     <!-- 加签用户选择器 -->
     <UserSelectModal
-      v-model:visible="multiInstanceVisible"
+      v-model:visible="addSignatureVisible"
       multiple
-      :disabled-ids="props.rowData.assigneeIds.split(',')"
+      :disabled-ids="assigneeIds"
+      @confirm="handleAddSignatureConfirm"
     />
   </NModal>
 </template>
diff --git a/src/components/custom/workflow/flow-preview.vue b/src/components/custom/workflow/flow-preview.vue
index 759d3a1d..6588388e 100644
--- a/src/components/custom/workflow/flow-preview.vue
+++ b/src/components/custom/workflow/flow-preview.vue
@@ -25,6 +25,6 @@ const iframeUrl = `${baseURL}/warm-flow-ui/index.html?${stringify(urlParams)}`;
 
 <template>
   <div>
-    <iframe :src="iframeUrl" class="h-[400px] w-full" />
+    <iframe :src="iframeUrl" class="h-[600px] w-full" />
   </div>
 </template>
diff --git a/src/views/workflow/category/index.vue b/src/views/workflow/category/index.vue
index 8a52ddf9..75db09a6 100644
--- a/src/views/workflow/category/index.vue
+++ b/src/views/workflow/category/index.vue
@@ -155,7 +155,7 @@ function handleExport() {
 <template>
   <div class="min-h-500px flex-col-stretch gap-16px overflow-hidden lt-sm:overflow-auto">
     <WorkflowCategorySearch v-model:model="searchParams" @reset="resetSearchParams" @search="getData" />
-    <NCard title="流程分类列表" :bordered="false" size="small" class="sm:flex-1-hidden card-wrapper">
+    <NCard title="流程分类列表" :bordered="false" size="small" class="card-wrapper sm:flex-1-hidden">
       <template #header-extra>
         <TableHeaderOperation
           v-model:columns="columnChecks"
diff --git a/src/views/workflow/leave/index.vue b/src/views/workflow/leave/index.vue
index 31aa40d2..0c3bdbe2 100644
--- a/src/views/workflow/leave/index.vue
+++ b/src/views/workflow/leave/index.vue
@@ -226,7 +226,7 @@ function handleExport() {
 <template>
   <div class="min-h-500px flex-col-stretch gap-16px overflow-hidden lt-sm:overflow-auto">
     <LeaveSearch v-model:model="searchParams" @reset="resetSearchParams" @search="getDataByPage" />
-    <NCard title="请假申请列表" :bordered="false" size="small" class="sm:flex-1-hidden card-wrapper">
+    <NCard title="请假申请列表" :bordered="false" size="small" class="card-wrapper sm:flex-1-hidden">
       <template #header-extra>
         <TableHeaderOperation
           v-model:columns="columnChecks"
diff --git a/src/views/workflow/process-definition/index.vue b/src/views/workflow/process-definition/index.vue
index 1d0ef8f0..a57f0d62 100644
--- a/src/views/workflow/process-definition/index.vue
+++ b/src/views/workflow/process-definition/index.vue
@@ -410,7 +410,7 @@ const selectable = computed(() => {
     </template>
     <div class="h-full flex-col-stretch gap-12px overflow-hidden lt-sm:overflow-auto">
       <DefinitionSearch v-model:model="searchParams" @reset="resetSearchParams" @search="getDataByPage" />
-      <NCard :bordered="false" size="small" class="sm:flex-1-hidden card-wrapper">
+      <NCard :bordered="false" size="small" class="card-wrapper sm:flex-1-hidden">
         <template #header>
           <NSpace>
             <NRadioGroup v-model:value="isPublish" on-up size="small">
diff --git a/src/views/workflow/process-instance/index.vue b/src/views/workflow/process-instance/index.vue
index cc25a5cd..4dff1eea 100644
--- a/src/views/workflow/process-instance/index.vue
+++ b/src/views/workflow/process-instance/index.vue
@@ -365,7 +365,7 @@ async function handlePreview(row: Api.Workflow.ProcessInstance) {
     </template>
     <div class="h-full flex-col-stretch gap-12px overflow-hidden lt-sm:overflow-auto">
       <ProcessInstanceSearch v-model:model="searchParams" @reset="handleResetSearch" @search="getDataByPage" />
-      <NCard :bordered="false" size="small" class="sm:flex-1-hidden card-wrapper">
+      <NCard :bordered="false" size="small" class="card-wrapper sm:flex-1-hidden">
         <template #header>
           <NSpace>
             <NRadioGroup v-model:value="runningStatus" on-up size="small">
diff --git a/src/views/workflow/task/all-task-waiting/index.vue b/src/views/workflow/task/all-task-waiting/index.vue
index ee693b75..5b29c9f8 100644
--- a/src/views/workflow/task/all-task-waiting/index.vue
+++ b/src/views/workflow/task/all-task-waiting/index.vue
@@ -30,8 +30,6 @@ const { bool: viewVisible, setTrue: showViewDrawer } = useBoolean();
 const { bool: interveneVisible, setTrue: showInterveneDrawer } = useBoolean();
 const dynamicComponent = shallowRef();
 
-type Task = Api.Workflow.Task;
-
 const waitingStatus = ref<boolean>(true);
 const waitingStatusOptions = ref<WaitingStatusOption[]>([
   { label: '待办任务', value: true },
@@ -123,7 +121,7 @@ const operateColumns = ref<NaiveUI.TableColumn<Api.Workflow.TaskOrHisTask>[]>([
             type="info"
             icon="material-symbols:edit-document"
             tooltipContent="流程干预"
-            onClick={() => handleIntervene(row)}
+            onClick={() => handleIntervene(row as Api.Workflow.Task)}
           />
         );
       }
@@ -222,9 +220,13 @@ async function handleView(row: Api.Workflow.TaskOrHisTask) {
   }
 }
 
-const interveneRowData = ref<Api.Workflow.TaskOrHisTask>();
-function handleIntervene(row: Api.Workflow.TaskOrHisTask) {
-  interveneRowData.value = row;
+const taskId = ref<CommonType.IdType>('');
+const assigneeIds = ref<CommonType.IdType[]>([]);
+const assigneeNames = ref<string[]>([]);
+function handleIntervene(row: Api.Workflow.Task) {
+  taskId.value = row.id;
+  assigneeIds.value = row.assigneeIds?.split(',') || [];
+  assigneeNames.value = row.assigneeNames?.split(',') || [];
   showInterveneDrawer();
 }
 </script>
@@ -264,7 +266,7 @@ function handleIntervene(row: Api.Workflow.TaskOrHisTask) {
     </template>
     <div class="h-full flex-col-stretch gap-12px overflow-hidden lt-sm:overflow-auto">
       <AllTaskWaitingSearch v-model:model="searchParams" @reset="handleResetSearch" @search="getDataByPage" />
-      <NCard :bordered="false" size="small" class="sm:flex-1-hidden card-wrapper">
+      <NCard :bordered="false" size="small" class="card-wrapper sm:flex-1-hidden">
         <template #header>
           <NSpace>
             <NRadioGroup v-model:value="waitingStatus" on-up size="small">
@@ -306,7 +308,9 @@ function handleIntervene(row: Api.Workflow.TaskOrHisTask) {
         <component :is="dynamicComponent" :visible="viewVisible" operate-type="detail" :business-id="businessId" />
         <FlowInterveneModal
           v-model:visible="interveneVisible"
-          :row-data="interveneRowData as Task"
+          :task-id="taskId"
+          :assignee-ids="assigneeIds"
+          :assignee-names="assigneeNames"
           @refresh="getData"
         />
       </NCard>