diff --git a/mobile-oa-h5/src/market/protocol-save-ref.test.js b/mobile-oa-h5/src/market/protocol-save-ref.test.js
new file mode 100644
index 00000000..2f53093a
--- /dev/null
+++ b/mobile-oa-h5/src/market/protocol-save-ref.test.js
@@ -0,0 +1,110 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import vm from 'node:vm'
+import * as Vue from 'vue'
+import { compile } from '@vue/compiler-dom'
+import { projectValidation } from './project-assignment.js'
+
+const source = readFileSync(new URL('../views/market/MarketModuleForm.vue', import.meta.url), 'utf8')
+// Render the real loop/slot/ref structure; native host nodes need no browser or service.
+const template = source.slice(source.indexOf('<template v-for="section in leadingSections"'), source.indexOf('\n\n      <section'))
+const render = new Function('Vue', compile(template, { prefixIdentifiers: true }).code)(Vue)
+const submitSource = source.slice(source.indexOf('async function submit()'), source.indexOf('\nasync function confirmLeave()'))
+const renderer = Vue.createRenderer({
+  createElement: () => ({}), createText: () => ({}), createComment: () => ({}),
+  insert(node, parent, anchor = null) {
+    parent.children ||= []
+    node.parent = parent
+    const index = parent.children.indexOf(anchor)
+    parent.children.splice(index < 0 ? parent.children.length : index, 0, node)
+  },
+  remove(node) {
+    const siblings = node.parent?.children || []
+    const index = siblings.indexOf(node)
+    if (index >= 0) siblings.splice(index, 1)
+  },
+  setText() {}, setElementText() {}, patchProp() {},
+  parentNode: (node) => node.parent,
+  nextSibling: (node) => {
+    const siblings = node.parent?.children || []
+    return siblings[siblings.indexOf(node) + 1] || null
+  }
+})
+
+async function mountForm({ role, mode = 'create', projectId = 'project-1', loading = false, error = '' }) {
+  const projectAssignment = Vue.ref(null)
+  const formData = Vue.ref({ source: 'research_donation', projectId })
+  const messages = [], requests = []
+  let validations = 0
+  const ProjectAssignmentField = {
+    setup(_, { expose }) {
+      expose({ validate() {
+        validations++
+        return projectValidation({ editing: mode === 'edit', required: true, projectId, loading, error })
+      } })
+      return () => Vue.h('div')
+    }
+  }
+  const Section = { setup: (_, { slots }) => () => slots.insert?.() }
+  const context = Vue.ref({ module: 'protocol', marketRole: role })
+  const app = renderer.createApp({
+    components: { MarketFormSection: Section, ProjectAssignmentField },
+    setup: () => ({
+      projectAssignment, context, formData, mode,
+      leadingSections: [{ key: 'customer' }, { key: 'protocol' }],
+      formOptions: {}, fieldsLocked: false, dirty: false,
+      sectionValue: () => ({}), searchProtocolCustomers() {}, setSectionValue() {},
+      uploadField() {}, handleFieldChange() {}, handleCustomerSelect() {}
+    }), render
+  })
+  app.mount({})
+  await Vue.nextTick()
+  const scope = {
+    projectAssignment, context, formData, mode: Vue.ref(mode),
+    submitting: Vue.ref(false), uploadPending: Vue.ref(0), isProtocolV2: Vue.ref(false),
+    isProtocolV1: Vue.ref(false), id: Vue.ref(mode === 'edit' ? 'record-1' : ''),
+    action: Vue.ref(mode), visibleSections: Vue.ref([]), dirty: Vue.ref(true),
+    showToast: (text) => messages.push(text), showSuccessToast: (text) => messages.push(text),
+    validateRequiredFields: () => '', buildMarketActionPayload: (_module, _action, data) => data,
+    sanitizeMarketPayload: (data) => data, buildPayload: () => formData.value,
+    AbortController, submitController: null, allowLeave: false,
+    saveMarketRecord: async (...args) => { requests.push(args); return { id: 'saved' } },
+    mountGuard: { isCurrent: () => true }, mountToken: 1,
+    resolveMarketSavedDetailId: () => 'saved', router: { replace: async () => {} },
+    route: { query: {} }, marketRecordNavigationQuery: () => ({}),
+    marketErrorMessage: (cause) => cause.message
+  }
+  const submit = vm.runInNewContext(`${submitSource}\nsubmit`, scope)
+  return { submit, messages, requests, app, validations: () => validations }
+}
+
+for (const role of ['specialist', 'manager']) {
+  for (const mode of ['create', 'edit']) {
+    test(`${role} ${mode}: a valid project reaches the save request`, async () => {
+      const form = await mountForm({ role, mode })
+      try {
+        await form.submit()
+        assert.equal(form.validations(), 1)
+        assert.equal(form.requests.length, 1)
+        assert.equal(form.requests[0][0].marketRole, role)
+        assert.deepEqual(form.messages, ['保存成功'])
+      } finally { form.app.unmount() }
+    })
+  }
+  for (const [state, message] of [
+    [{ projectId: '' }, '请选择所属项目'],
+    [{ loading: true }, '项目选项加载中，请稍后保存'],
+    [{ error: 'network' }, '项目选项加载失败，请重试后保存']
+  ]) {
+    test(`${role}: ${message}`, async () => {
+      const form = await mountForm({ role, ...state })
+      try {
+        await form.submit()
+        assert.equal(form.validations(), 1)
+        assert.equal(form.requests.length, 0)
+        assert.deepEqual(form.messages, [message])
+      } finally { form.app.unmount() }
+    })
+  }
+}
diff --git a/mobile-oa-h5/src/views/market/MarketModuleForm.vue b/mobile-oa-h5/src/views/market/MarketModuleForm.vue
index 37b4c36d..f351af2d 100644
--- a/mobile-oa-h5/src/views/market/MarketModuleForm.vue
+++ b/mobile-oa-h5/src/views/market/MarketModuleForm.vue
@@ -46,7 +46,7 @@
         >
           <template #insert>
             <ProjectAssignmentField
-              ref="projectAssignment"
+              :ref="(instance) => (projectAssignment = instance)"
               embedded
               v-model="formData.projectId"
               :biz-type="formData.source"