diff --git a/apps/application/migrations/0019_applicationversion_publish_desc.py b/apps/application/migrations/0019_applicationversion_publish_desc.py
new file mode 100644
index 00000000000..f9c071ff985
--- /dev/null
+++ b/apps/application/migrations/0019_applicationversion_publish_desc.py
@@ -0,0 +1,17 @@
+# Generated by Django 6.1 on 2026-09-16 08:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("application", "0018_application_default_model_setting_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="applicationversion",
+            name="publish_desc",
+            field=models.CharField(default="", max_length=1024, verbose_name="更新说明"),
+        ),
+    ]
diff --git a/apps/application/models/application.py b/apps/application/models/application.py
index bfbbb470861..f81e48cad33 100644
--- a/apps/application/models/application.py
+++ b/apps/application/models/application.py
@@ -165,6 +165,7 @@ class ApplicationVersion(AppModelMixin):
     name = models.CharField(verbose_name="版本名称", max_length=128, default="")
     publish_user_id = models.UUIDField(verbose_name="发布者id", max_length=128, default=None, null=True)
     publish_user_name = models.CharField(verbose_name="发布者名称", max_length=128, default="")
+    publish_desc = models.CharField(verbose_name="更新说明", max_length=1024, default="")
     workspace_id = models.CharField(max_length=64, verbose_name="工作空间id", default="default", db_index=True)
     application_name = models.CharField(max_length=128, verbose_name="应用名称")
     desc = models.CharField(max_length=512, verbose_name="引用描述", default="")
diff --git a/apps/application/serializers/application.py b/apps/application/serializers/application.py
index a115a98bcc5..6c9ef959e85 100644
--- a/apps/application/serializers/application.py
+++ b/apps/application/serializers/application.py
@@ -21,7 +21,7 @@
 
 import requests
 import uuid_utils.compat as uuid
-from application.workflow.common import Workflow
+from application.workflow.common import new_instance
 from application.long_term_memory import schedule_extract_long_term_memory
 from application.models.application import Application, ApplicationFolder, ApplicationTypeChoices, ApplicationVersion
 from application.models.application_access_token import ApplicationAccessToken
@@ -1107,6 +1107,12 @@ class ApplicationOperateSerializer(serializers.Serializer):
     application_id = serializers.UUIDField(required=True, label=_("Application ID"))
     user_id = serializers.UUIDField(required=True, label=_("User ID"))
     workspace_id = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_("Workspace ID"))
+    publish_name = serializers.CharField(
+        required=False, max_length=128, allow_null=True, allow_blank=True, label=_("Publish Name")
+    )
+    publish_desc = serializers.CharField(
+        required=False, max_length=1024, allow_null=True, allow_blank=True, label=_("Publish Desc")
+    )
 
     def is_valid(self, *, raise_exception=False):
         super().is_valid(raise_exception=True)
@@ -1260,6 +1266,10 @@ def publish(self, instance, with_valid=True):
             self.is_valid()
         user_id = self.data.get("user_id")
         workspace_id = self.data.get("workspace_id")
+        name = (instance or {}).get("publish_name")
+        if not name or not str(name).strip():
+            raise AppApiException(500, _("publish_name is required"))
+        publish_desc = (instance or {}).get("publish_desc") or ""
         user = QuerySet(User).filter(id=user_id).first()
         application = (
             QuerySet(Application).filter(id=self.data.get("application_id"), workspace_id=workspace_id).first()
@@ -1268,7 +1278,7 @@ def publish(self, instance, with_valid=True):
             work_flow = application.work_flow
             if work_flow is None:
                 raise AppApiException(500, _("work_flow is a required field"))
-            Workflow.new_instance(work_flow).is_valid()
+            new_instance(work_flow).is_valid()
             base_node = get_base_node_work_flow(work_flow)
             if base_node is not None:
                 node_data = base_node.get("properties").get("node_data")
@@ -1283,9 +1293,10 @@ def publish(self, instance, with_valid=True):
         work_flow_version = ApplicationVersion(
             work_flow=application.work_flow,
             application=application,
-            name=timezone.localtime(timezone.now()).strftime("%Y-%m-%d %H:%M:%S"),
+            name=name,
             publish_user_id=user_id,
             publish_user_name=user.username,
+            publish_desc=publish_desc,
             workspace_id=workspace_id,
         )
         self.reset_application_version(work_flow_version, application)
diff --git a/apps/application/serializers/application_version.py b/apps/application/serializers/application_version.py
index 5856220336f..ac0fcf49de8 100644
--- a/apps/application/serializers/application_version.py
+++ b/apps/application/serializers/application_version.py
@@ -1,11 +1,12 @@
 # coding=utf-8
 """
-    @project: MaxKB
-    @Author：虎虎
-    @file： application_version.py
-    @date：2025/6/3 16:25
-    @desc:
+@project: MaxKB
+@Author：虎虎
+@file： application_version.py
+@date：2025/6/3 16:25
+@desc:
 """
+
 from typing import Dict
 
 from django.db.models import QuerySet
@@ -19,21 +20,33 @@
 
 class ApplicationVersionQuerySerializer(serializers.Serializer):
     application_id = serializers.UUIDField(required=True, label=_("Application ID"))
-    name = serializers.CharField(required=False, allow_null=True, allow_blank=True,
-                                 label=_("summary"))
+    name = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_("summary"))
 
 
 class ApplicationVersionModelSerializer(serializers.ModelSerializer):
     class Meta:
         model = ApplicationVersion
-        fields = ['id', 'name', 'workspace_id', 'application_id', 'work_flow', 'publish_user_id', 'publish_user_name',
-                  'create_time',
-                  'update_time']
+        fields = [
+            "id",
+            "name",
+            "publish_desc",
+            "workspace_id",
+            "application_id",
+            "work_flow",
+            "publish_user_id",
+            "publish_user_name",
+            "create_time",
+            "update_time",
+        ]
 
 
 class ApplicationVersionEditSerializer(serializers.Serializer):
-    name = serializers.CharField(required=False, max_length=128, allow_null=True, allow_blank=True,
-                                 label=_("Version Name"))
+    name = serializers.CharField(
+        required=False, max_length=128, allow_null=True, allow_blank=True, label=_("Version Name")
+    )
+    publish_desc = serializers.CharField(
+        required=False, max_length=1024, allow_null=True, allow_blank=True, label=_("Publish Description")
+    )
 
 
 class ApplicationVersionSerializer(serializers.Serializer):
@@ -43,11 +56,11 @@ class Query(serializers.Serializer):
         workspace_id = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_("Workspace ID"))
 
         def get_query_set(self, query):
-            query_set = QuerySet(ApplicationVersion).filter(application_id=query.get('application_id'))
-            if 'name' in query and query.get('name') is not None:
-                query_set = query_set.filter(name__contains=query.get('name'))
-            if 'workspace_id' in self.data and self.data.get('workspace_id') is not None:
-                query_set = query_set.filter(workspace_id=self.data.get('workspace_id'))
+            query_set = QuerySet(ApplicationVersion).filter(application_id=query.get("application_id"))
+            if "name" in query and query.get("name") is not None:
+                query_set = query_set.filter(name__contains=query.get("name"))
+            if "workspace_id" in self.data and self.data.get("workspace_id") is not None:
+                query_set = query_set.filter(workspace_id=self.data.get("workspace_id"))
             return query_set.order_by("-create_time")
 
         def list(self, query, with_valid=True):
@@ -60,48 +73,57 @@ def list(self, query, with_valid=True):
         def page(self, query, current_page, page_size, with_valid=True):
             if with_valid:
                 self.is_valid(raise_exception=True)
-            return page_search(current_page, page_size,
-                               self.get_query_set(query),
-                               post_records_handler=lambda v: ApplicationVersionModelSerializer(v).data)
+            return page_search(
+                current_page,
+                page_size,
+                self.get_query_set(query),
+                post_records_handler=lambda v: ApplicationVersionModelSerializer(v).data,
+            )
 
     class Operate(serializers.Serializer):
         workspace_id = serializers.CharField(required=False, allow_null=True, allow_blank=True, label=_("Workspace ID"))
         application_id = serializers.UUIDField(required=True, label=_("Application ID"))
-        application_version_id = serializers.UUIDField(required=True,
-                                                       label=_("Application version ID"))
+        application_version_id = serializers.UUIDField(required=True, label=_("Application version ID"))
 
         def is_valid(self, *, raise_exception=False):
             super().is_valid(raise_exception=True)
-            workspace_id = self.data.get('workspace_id')
-            query_set = QuerySet(Application).filter(id=self.data.get('application_id'))
+            workspace_id = self.data.get("workspace_id")
+            query_set = QuerySet(Application).filter(id=self.data.get("application_id"))
             if workspace_id:
                 query_set = query_set.filter(workspace_id=workspace_id)
             if not query_set.exists():
-                raise AppApiException(500, _('Application id does not exist'))
+                raise AppApiException(500, _("Application id does not exist"))
 
         def one(self, with_valid=True):
             if with_valid:
                 self.is_valid(raise_exception=True)
-            application_version = QuerySet(ApplicationVersion).filter(application_id=self.data.get('application_id'),
-                                                                      id=self.data.get(
-                                                                          'application_version_id')).first()
+            application_version = (
+                QuerySet(ApplicationVersion)
+                .filter(application_id=self.data.get("application_id"), id=self.data.get("application_version_id"))
+                .first()
+            )
             if application_version is not None:
                 return ApplicationVersionModelSerializer(application_version).data
             else:
-                raise AppApiException(500, _('Workflow version does not exist'))
+                raise AppApiException(500, _("Workflow version does not exist"))
 
         def edit(self, instance: Dict, with_valid=True):
             if with_valid:
                 self.is_valid(raise_exception=True)
                 ApplicationVersionEditSerializer(data=instance).is_valid(raise_exception=True)
-            application_version = QuerySet(ApplicationVersion).filter(application_id=self.data.get('application_id'),
-                                                                      id=self.data.get(
-                                                                          'application_version_id')).first()
+            application_version = (
+                QuerySet(ApplicationVersion)
+                .filter(application_id=self.data.get("application_id"), id=self.data.get("application_version_id"))
+                .first()
+            )
             if application_version is not None:
-                name = instance.get('name', None)
+                name = instance.get("name", None)
+                publish_desc = instance.get("publish_desc", None)
                 if name is not None and len(name) > 0:
                     application_version.name = name
+                if publish_desc is not None and len(publish_desc) > 0:
+                    application_version.publish_desc = publish_desc
                 application_version.save()
                 return ApplicationVersionModelSerializer(application_version).data
             else:
-                raise AppApiException(500, _('Workflow version does not exist'))
+                raise AppApiException(500, _("Workflow version does not exist"))
diff --git a/apps/application/workflow/common.py b/apps/application/workflow/common.py
index b5bde9265f8..f386939b835 100644
--- a/apps/application/workflow/common.py
+++ b/apps/application/workflow/common.py
@@ -194,6 +194,9 @@ def reset_prompt(self, prompt):
             prompt = node_field.reset_variable(prompt)
         return prompt
 
+    def is_valid(self):
+        pass
+
 
 class WorkflowType(Enum):
     # 应用
diff --git a/ui/src/api/admin/workspace/application/application.ts b/ui/src/api/admin/workspace/application/application.ts
index 58b48d12a96..6b9ad58522f 100644
--- a/ui/src/api/admin/workspace/application/application.ts
+++ b/ui/src/api/admin/workspace/application/application.ts
@@ -69,8 +69,11 @@ const putBatchMoveApplications = (applicationIds: string[], folderId: string) =>
 }
 
 /** 发布工作空间智能体。 */
-const putApplicationPublish = (applicationId: string) => {
-  return put<Record<string, never>, ApplicationDetail>(`${getPrefix()}/${applicationId}/publish`, {})
+const putApplicationPublish = (applicationId: string, publishName: string, publishDesc?: string) => {
+  return put<Record<string, unknown>, ApplicationDetail>(`${getPrefix()}/${applicationId}/publish`, {
+    publish_name: publishName,
+    publish_desc: publishDesc,
+  })
 }
 
 /** 使用指定模型流式生成或优化系统提示词。 */
diff --git a/ui/src/api/types/workflow-version.ts b/ui/src/api/types/workflow-version.ts
index 97d02405ccc..ac162e41c00 100644
--- a/ui/src/api/types/workflow-version.ts
+++ b/ui/src/api/types/workflow-version.ts
@@ -5,7 +5,7 @@ export interface WorkflowVersion {
   id: string
   name: string
   /** 更新说明；旧版本接口可能不返回。 */
-  description?: string | null
+  publish_desc?: string | null
   work_flow: LogicFlow.GraphConfigData
   publish_user_name: string
   create_time: string
@@ -15,5 +15,5 @@ export interface WorkflowVersion {
 /** 发布历史的标题和更新说明编辑内容。 */
 export interface WorkflowVersionPayload {
   name: string
-  description: string
+  publish_desc: string
 }
diff --git a/ui/src/views/workflow/application/ApplicationWorkflowView.vue b/ui/src/views/workflow/application/ApplicationWorkflowView.vue
index 0fc31a8c925..fd2c8623c85 100644
--- a/ui/src/views/workflow/application/ApplicationWorkflowView.vue
+++ b/ui/src/views/workflow/application/ApplicationWorkflowView.vue
@@ -16,6 +16,7 @@ import WorkflowViewLayout from '../components/WorkflowViewLayout.vue'
 import ButtonPublishHistory from './ButtonPublishHistory.vue'
 import TemplateStoreDialog from '@/views/application/template-store/TemplateStoreDialog.vue'
 import DebugPanel from './debug/DebugPanel.vue'
+import ApplicationPublishDialog from './components/ApplicationPublishDialog.vue'
 import { getResourceScope } from '@/utils/resource-context.ts'
 import { goBack } from './navigation'
 
@@ -211,23 +212,21 @@ function handleSaveDefaultModelSetting(settings: DefaultModelSettingPayload) {
   return handleSave()
 }
 
-/* 发布工作流 */
+/* 发布工作流：先校验画布，再由弹窗收集发布标题与更新说明 */
+const publishDialogRef = useTemplateRef<InstanceType<typeof ApplicationPublishDialog>>('publishDialogRef')
+
 function handlePublish() {
   workflowRef.value?.validate().then(() => {
-    publishing.value = true
-    return saveApplication(undefined, false)
-      .then(() => ApplicationApi.putApplicationPublish(applicationId))
-      .then((application) => {
-        applicationDetail.value = application
-        saveTime.value = application.update_time || saveTime.value
-        MsgSuccess('发布成功')
-      })
-      .finally(() => {
-        publishing.value = false
-      })
+    publishDialogRef.value?.open()
   })
 }
 
+/* 发布成功：更新详情与保存时间，保持与保存流程一致 */
+function handlePublished(application: ApplicationDetail) {
+  applicationDetail.value = application
+  saveTime.value = application.update_time || saveTime.value
+}
+
 /* 退出工作流 */
 function handleBack() {
   if (loading.value || saving.value || confirmingExit.value) return
@@ -382,5 +381,7 @@ onBeforeUnmount(() => stopAutoSave())
     <DebugPanel ref="debugPanelRef" />
     <!-- 模版中心 -->
     <TemplateStoreDialog ref="templateStoreDialogRef" source="work_flow" :applying="saving" @use="handleUseTemplate" />
+    <!-- 发布弹窗 -->
+    <ApplicationPublishDialog ref="publishDialogRef" :resource-id="applicationId" @published="handlePublished" />
   </WorkflowViewLayout>
 </template>
diff --git a/ui/src/views/workflow/application/components/ApplicationPublishDialog.vue b/ui/src/views/workflow/application/components/ApplicationPublishDialog.vue
new file mode 100644
index 00000000000..b3e9a45a71b
--- /dev/null
+++ b/ui/src/views/workflow/application/components/ApplicationPublishDialog.vue
@@ -0,0 +1,102 @@
+<script setup lang="ts">
+import { reactive, ref, useTemplateRef } from 'vue'
+import type { FormInstance, FormRules } from 'element-plus'
+import type { ApplicationDetail } from '@/api/types'
+import ApplicationApi from '@/api/admin/workspace/application/application.ts'
+import { MsgSuccess } from '@/utils/message'
+
+defineOptions({ name: 'ApplicationPublishDialog' })
+
+const props = defineProps<{ resourceId: string }>()
+const emit = defineEmits<{ published: [application: ApplicationDetail] }>()
+
+const visible = ref(false)
+const saving = ref(false)
+const publishForm = reactive<{ publish_name: string; publish_desc: string }>({ publish_name: '', publish_desc: '' })
+const formRef = useTemplateRef<FormInstance>('formRef')
+const rules: FormRules = {
+  publish_name: [
+    { required: true, whitespace: true, message: '请输入发布标题', trigger: 'blur' },
+    { max: 64, message: '发布标题最多 64 个字符', trigger: 'blur' },
+  ],
+  publish_desc: [{ max: 1000, message: '更新说明最多 1000 个字符', trigger: 'blur' }],
+}
+
+function open() {
+  visible.value = true
+}
+
+function handleSubmit() {
+  if (saving.value) return
+  formRef.value?.validate((valid) => {
+    if (!valid) return
+    saving.value = true
+    return ApplicationApi.putApplicationPublish(props.resourceId, publishForm.publish_name.trim(), publishForm.publish_desc)
+      .then((application) => {
+        emit('published', application)
+        visible.value = false
+        MsgSuccess('发布成功')
+      })
+      .finally(() => {
+        saving.value = false
+      })
+  })
+}
+
+function handleClose(done: () => void) {
+  if (!saving.value) done()
+}
+
+function resetForm() {
+  publishForm.publish_name = ''
+  publishForm.publish_desc = ''
+  formRef.value?.clearValidate()
+}
+
+defineExpose({ open })
+</script>
+
+<template>
+  <MkDialog
+    v-model="visible"
+    class="application-publish-dialog"
+    title="发布"
+    width="600"
+    align-center
+    :before-close="handleClose"
+    :show-close="!saving"
+    @closed="resetForm"
+  >
+    <el-form ref="formRef" :model="publishForm" :rules="rules" label-position="top" require-asterisk-position="right" @submit.prevent="handleSubmit">
+      <el-form-item label="发布标题" prop="publish_name">
+        <el-input v-model="publishForm.publish_name" placeholder="请输入发布标题" :maxlength="64" show-word-limit :disabled="saving" />
+      </el-form-item>
+      <el-form-item label="更新说明" prop="publish_desc" class="mb-0!">
+        <el-input
+          v-model="publishForm.publish_desc"
+          type="textarea"
+          placeholder="请输入更新说明（选填）"
+          :rows="4"
+          :maxlength="1000"
+          show-word-limit
+          resize="none"
+          :disabled="saving"
+        />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <!-- 取消发布 -->
+      <el-button :disabled="saving" @click="visible = false">取消</el-button>
+      <!-- 提交发布 -->
+      <el-button type="primary" :loading="saving" @click="handleSubmit">发布</el-button>
+    </template>
+  </MkDialog>
+</template>
+
+<style scoped>
+/* 内容较短时按表单高度展示，避免滚动容器继承视口高度。 */
+:global(.application-publish-dialog .el-dialog__body > .el-scrollbar),
+:global(.application-publish-dialog .el-dialog__body > .el-scrollbar > .el-scrollbar__wrap) {
+  height: auto;
+}
+</style>
diff --git a/ui/src/views/workflow/components/publish-history/EditPublishVersionDialog.vue b/ui/src/views/workflow/components/publish-history/EditPublishVersionDialog.vue
index a8a995c488c..b65a9a6f871 100644
--- a/ui/src/views/workflow/components/publish-history/EditPublishVersionDialog.vue
+++ b/ui/src/views/workflow/components/publish-history/EditPublishVersionDialog.vue
@@ -9,16 +9,17 @@ defineOptions({ name: 'EditPublishVersionDialog' })
 const props = defineProps<{ saving?: boolean }>()
 const emit = defineEmits<{ submit: [payload: WorkflowVersionPayload] }>()
 const visible = ref(false)
-const versionForm = reactive<WorkflowVersionPayload>({ name: '', description: '' })
+/** 表单内部使用 description 命名，提交时映射为后端字段 publish_desc。 */
+const versionForm = reactive<{ name: string; description: string }>({ name: '', description: '' })
 const formRef = useTemplateRef<FormInstance>('formRef')
-const rules: FormRules<WorkflowVersionPayload> = {
+const rules: FormRules<{ name: string; description: string }> = {
   name: [{ required: true, message: '请输入标题', trigger: 'blur' }],
 }
 
 /* 编辑副本并校验，接口提交和成功关闭由业务组件处理。 */
 function open(version: WorkflowVersion) {
   versionForm.name = version.name || datetimeFormat(version.create_time)
-  versionForm.description = version.description ?? ''
+  versionForm.description = version.publish_desc ?? ''
   visible.value = true
 }
 
@@ -26,7 +27,7 @@ function handleSubmit() {
   if (props.saving) return
   formRef.value?.validate((valid) => {
     if (!valid || props.saving) return
-    emit('submit', { name: versionForm.name.trim(), description: versionForm.description })
+    emit('submit', { name: versionForm.name.trim(), publish_desc: versionForm.description })
   })
 }
 
diff --git a/ui/src/views/workflow/components/publish-history/PublishHistoryDrawer.vue b/ui/src/views/workflow/components/publish-history/PublishHistoryDrawer.vue
index a36b63b9e40..380bce78ff9 100644
--- a/ui/src/views/workflow/components/publish-history/PublishHistoryDrawer.vue
+++ b/ui/src/views/workflow/components/publish-history/PublishHistoryDrawer.vue
@@ -36,7 +36,7 @@ function handleSubmit(payload: WorkflowVersionPayload) {
 }
 
 function handleShowDescription(version: WorkflowVersion) {
-  descriptionDialogRef.value?.open(version.description ?? '')
+  descriptionDialogRef.value?.open(version.publish_desc ?? '')
 }
 
 function closeEdit() {