diff --git a/src/api/vehicle/customer-archive.js b/src/api/vehicle/customer-archive.js
index 98e9f4c..f6266db 100644
--- a/src/api/vehicle/customer-archive.js
+++ b/src/api/vehicle/customer-archive.js
@@ -62,6 +62,17 @@ export const getPublicChangeRecordList = (customerId, current, size) => {
   });
 };
 
+export const postPublicProcessMessage = data => {
+  return request({
+    url: '/blade-transport/customer-archive/public/process-message',
+    method: 'post',
+    meta: {
+      isToken: false,
+    },
+    data,
+  });
+};
+
 export const submit = row => {
   return request({
     url: '/blade-transport/customer-archive/submit',
diff --git a/src/views/vehicle/customer-archive-public-view.vue b/src/views/vehicle/customer-archive-public-view.vue
index 8fb5734..a1cf726 100644
--- a/src/views/vehicle/customer-archive-public-view.vue
+++ b/src/views/vehicle/customer-archive-public-view.vue
@@ -1,11 +1,12 @@
 <template>
   <div ref="page" class="customer-archive-public-view">
-    <customer-archive />
+    <customer-archive ref="archive" />
   </div>
 </template>
 
 <script>
 import CustomerArchive from './customer-archive.vue';
+import { postPublicProcessMessage } from '@/api/vehicle/customer-archive';
 
 export default {
   name: 'CustomerArchivePublicView',
@@ -14,7 +15,9 @@ export default {
   },
   created() {
     this.handleIframeHeight = () => this.sendIframeHeight();
+    this.handleProcessMessage = event => this.onProcessMessage(event);
     document.addEventListener('DOMContentLoaded', this.handleIframeHeight, false);
+    window.addEventListener('message', this.handleProcessMessage);
   },
   mounted() {
     document.documentElement.classList.add('mk-iframe-page');
@@ -36,6 +39,7 @@ export default {
   beforeUnmount() {
     document.removeEventListener('DOMContentLoaded', this.handleIframeHeight, false);
     window.removeEventListener('load', this.handleIframeHeight);
+    window.removeEventListener('message', this.handleProcessMessage);
     (this.mkHeightTimers || []).forEach(timer => clearTimeout(timer));
     if (this.mkHeightObserver) {
       this.mkHeightObserver.disconnect();
@@ -55,6 +59,82 @@ export default {
         window.parent.postMessage({ height: height }, '*');
       });
     },
+    onProcessMessage(event) {
+      const data = event && event.data;
+      if (!data || typeof data !== 'object') return;
+      if (data.height && !data.status && !data.type) return;
+      if (data.type === 'formValues' || data.type === 'afterSubmit') return;
+      console.log('客商公开页收到流程消息：', data);
+      const formValues = data.formValues;
+      if (data.status === 'submit') {
+        this.submitData(formValues);
+      } else if (data.status === 'save') {
+        this.saveData(formValues);
+      }
+      if (data.type === 'getFormValues') {
+        window.parent.postMessage({ type: 'formValues', formData: this.buildFormData() }, '*');
+      }
+    },
+    submitData(lbpmFormValues) {
+      const formData = this.buildFormData();
+      this.postFormData('submit', lbpmFormValues, formData);
+      if (!lbpmFormValues) return;
+      const parameters = Object.assign({}, lbpmFormValues, {
+        loginName: this.getLoginName(lbpmFormValues),
+        formInstanceId: this.getFormId(),
+        subject: formData.subject,
+      });
+      window.parent.postMessage(
+        {
+          type: 'afterSubmit',
+          success: true,
+          parameters,
+        },
+        '*'
+      );
+    },
+    saveData(lbpmFormValues) {
+      this.postFormData('save', lbpmFormValues, this.buildFormData());
+    },
+    postFormData(status, formValues, formData) {
+      const payload = {
+        status,
+        formValues: formValues || {},
+        formData,
+      };
+      console.log('客商公开页提交流程数据：', payload);
+      postPublicProcessMessage(payload).catch(error => {
+        console.error('客商公开页提交流程数据失败：', error);
+      });
+    },
+    buildFormData() {
+      const archive = this.getArchiveForm();
+      return {
+        ...archive,
+        subject: archive.fullName || archive.shortName || '',
+        formInstanceId: this.getFormId(),
+      };
+    },
+    getArchiveForm() {
+      const archive = this.$refs.archive && this.$refs.archive.archiveForm;
+      if (!archive) return {};
+      try {
+        return JSON.parse(JSON.stringify(archive));
+      } catch (error) {
+        return { ...archive };
+      }
+    },
+    getFormId() {
+      return this.$route.query.id || this.getArchiveForm().id || '';
+    },
+    getLoginName(formValues = {}) {
+      return (
+        formValues.loginName ||
+        this.$route.query.loginName ||
+        this.$route.query.submitIdentity ||
+        ''
+      );
+    },
   },
 };
 </script>
diff --git a/src/views/vehicle/customer-archive.vue b/src/views/vehicle/customer-archive.vue
index 967f2c9..fcf3d08 100644
--- a/src/views/vehicle/customer-archive.vue
+++ b/src/views/vehicle/customer-archive.vue
@@ -2001,7 +2001,6 @@ export default {
         return;
       }
       this.openArchive({ id }, true);
-      this.bindMkParentHeight();
       return;
     }
     this.initDeptTree();
@@ -2012,10 +2011,6 @@ export default {
       const readonly = this.$route.query.view === '1' || this.$route.query.view === 'true';
       this.openArchive(this.$route.query.id ? { id: this.$route.query.id } : null, readonly);
     }
-    this.bindMkParentHeight();
-  },
-  mounted() {
-    this.notifyMkParentHeight();
   },
   computed: {
     ...mapGetters(['permission', 'userInfo']),
@@ -2036,12 +2031,6 @@ export default {
     isPublicViewPage() {
       return this.$route.path === '/vehicle/customer-archive/public-view';
     },
-    isMkEmbed() {
-      const isMk = this.$route.query.isMk;
-      return (
-        this.isPublicViewPage || isMk === '1' || isMk === 1 || isMk === 'true'
-      );
-    },
     archiveContainer() {
       return 'div';
     },
@@ -2220,28 +2209,6 @@ export default {
     hasPermission(code) {
       return this.isAdmin || this.validData(this.permission[code], false);
     },
-    bindMkParentHeight() {
-      if (!this.isMkEmbed) return;
-      document.addEventListener(
-        'DOMContentLoaded',
-        function () {
-          var tbody = document.body;
-          var height = tbody.clientHeight;
-          // 如需动态改变表单高度，可以直接发送此postMessage
-          window.parent.postMessage({ height: height }, '*');
-        },
-        false
-      );
-    },
-    notifyMkParentHeight() {
-      if (!this.isMkEmbed) return;
-      this.$nextTick(() => {
-        var tbody = document.body;
-        var height = tbody.clientHeight;
-        // 如需动态改变表单高度，可以直接发送此postMessage
-        window.parent.postMessage({ height: height }, '*');
-      });
-    },
     mergeSelectOptions(target, values) {
       const list = Array.isArray(values) ? values : values ? [values] : [];
       list.forEach(value => {
@@ -3983,6 +3950,8 @@ export default {
     },
     closeArchive() {
       if (this.isPublicViewPage) return;
+      this.archiveBox = false;
+      this.$router.$avueRouter?.closeTag?.();
       this.$router.push('/vehicle/customer-archive');
     },
     openArchive(row, readonly = false) {
@@ -4009,7 +3978,6 @@ export default {
           this.selectedQualificationFiles = [];
           if (this.isPublicViewPage) this.ensurePublicViewOptions(this.archiveForm);
           this.archiveBox = true;
-          this.notifyMkParentHeight();
           this.loadChangeRecords();
         })
           .catch(() => {
@@ -4025,7 +3993,6 @@ export default {
       this.ocrQualificationUploadFiles = [];
       this.selectedQualificationFiles = [];
       this.archiveBox = true;
-      this.notifyMkParentHeight();
     },
     resetArchive() {
       this.readonly = false;
@@ -4185,16 +4152,20 @@ export default {
             archive.fullName ||
             this.archiveForm.fullName ||
             '';
-          this.submitMkApprovalFlow(id, fullName)
-            .then(() => submitApproval(id))
-            .then(() => {
-              this.closeArchive();
-              this.onLoad(this.page);
-              this.$message({ type: 'success', message: '提交成功!' });
-            });
+          this.submitCustomerApproval(id, fullName).then(() => {
+            this.closeArchive();
+            this.onLoad(this.page);
+            this.$message({ type: 'success', message: '提交成功!' });
+          });
         });
       });
     },
+    /**
+     * 列表 / 新增 / 编辑提交共用：提交 MK 审核流并更新客商审批状态
+     */
+    submitCustomerApproval(id, fullName = '') {
+      return this.submitMkApprovalFlow(id, fullName).then(() => submitApproval(id));
+    },
     /**
      * 提交 MK 审核流：templateCode 取业务字典 mk_template 中「提交审核流」的键值
      * 提交人手机号由后端从用户表读取真实值（前端接口会脱敏）
@@ -4811,8 +4782,7 @@ export default {
           cancelButtonText: '取消',
           type: 'warning',
         })
-          .then(() => this.submitMkApprovalFlow(row.id, archive.fullName || row.fullName))
-          .then(() => submitApproval(row.id))
+          .then(() => this.submitCustomerApproval(row.id, archive.fullName || row.fullName))
           .then(() => {
             this.onLoad(this.page);
             this.$message({ type: 'success', message: '提交成功!' });