diff --git a/apps/jingrow/frontend/src/core/features/form_builder/globals.js b/apps/jingrow/frontend/src/core/features/form_builder/globals.js
index df90736..61a70e7 100644
--- a/apps/jingrow/frontend/src/core/features/form_builder/globals.js
+++ b/apps/jingrow/frontend/src/core/features/form_builder/globals.js
@@ -14,45 +14,53 @@ import TextControl from "./components/controls/TextControl.vue";
 import TextEditorControl from "./components/controls/TextEditorControl.vue";
 
 export function registerGlobalComponents(app) {
-  app.component("AttachControl", AttachControl)
-    .component("AttachImageControl", AttachControl)
-    .component("AutocompleteControl", DataControl)
-    .component("BarcodeControl", DataControl)
-    .component("ButtonControl", ButtonControl)
-    .component("CheckControl", CheckControl)
-    .component("CodeControl", CodeControl)
-    .component("ColorControl", DataControl)
-    .component("CurrencyControl", DataControl)
-    .component("DataControl", DataControl)
-    .component("DateControl", DataControl)
-    .component("DatetimeControl", DataControl)
-    .component("DurationControl", DataControl)
-    .component("DynamicLinkControl", DataControl)
-    .component("FloatControl", DataControl)
-    .component("GeolocationControl", GeolocationControl)
-    .component("HeadingControl", ButtonControl)
-    .component("HTMLControl", DataControl)
-    .component("HTMLEditorControl", CodeControl)
-    .component("IconControl", DataControl)
-    .component("ImageControl", ImageControl)
-    .component("IntControl", DataControl)
-    .component("JSONControl", CodeControl)
-    .component("LinkControl", LinkControl)
-    .component("LongTextControl", TextControl)
-    .component("MarkdownEditorControl", CodeControl)
-    .component("PasswordControl", DataControl)
-    .component("PercentControl", DataControl)
-    .component("PhoneControl", DataControl)
-    .component("ReadOnlyControl", DataControl)
-    .component("RatingControl", RatingControl)
-    .component("SelectControl", SelectControl)
-    .component("SignatureControl", SignatureControl)
-    .component("SmallTextControl", TextControl)
-    .component("TableControl", TableControl)
-    .component("TableMultiSelectControl", DataControl)
-    .component("TextControl", TextControl)
-    .component("TextEditorControl", TextEditorControl)
-    .component("TimeControl", DataControl);
+  // Helper function to safely register component
+  const safeRegister = (name, component) => {
+    if (!app.component(name)) {
+      app.component(name, component);
+    }
+    return app;
+  };
+
+  safeRegister("AttachControl", AttachControl);
+  safeRegister("AttachImageControl", AttachControl);
+  safeRegister("AutocompleteControl", DataControl);
+  safeRegister("BarcodeControl", DataControl);
+  safeRegister("ButtonControl", ButtonControl);
+  safeRegister("CheckControl", CheckControl);
+  safeRegister("CodeControl", CodeControl);
+  safeRegister("ColorControl", DataControl);
+  safeRegister("CurrencyControl", DataControl);
+  safeRegister("DataControl", DataControl);
+  safeRegister("DateControl", DataControl);
+  safeRegister("DatetimeControl", DataControl);
+  safeRegister("DurationControl", DataControl);
+  safeRegister("DynamicLinkControl", DataControl);
+  safeRegister("FloatControl", DataControl);
+  safeRegister("GeolocationControl", GeolocationControl);
+  safeRegister("HeadingControl", ButtonControl);
+  safeRegister("HTMLControl", DataControl);
+  safeRegister("HTMLEditorControl", CodeControl);
+  safeRegister("IconControl", DataControl);
+  safeRegister("ImageControl", ImageControl);
+  safeRegister("IntControl", DataControl);
+  safeRegister("JSONControl", CodeControl);
+  safeRegister("LinkControl", LinkControl);
+  safeRegister("LongTextControl", TextControl);
+  safeRegister("MarkdownEditorControl", CodeControl);
+  safeRegister("PasswordControl", DataControl);
+  safeRegister("PercentControl", DataControl);
+  safeRegister("PhoneControl", DataControl);
+  safeRegister("ReadOnlyControl", DataControl);
+  safeRegister("RatingControl", RatingControl);
+  safeRegister("SelectControl", SelectControl);
+  safeRegister("SignatureControl", SignatureControl);
+  safeRegister("SmallTextControl", TextControl);
+  safeRegister("TableControl", TableControl);
+  safeRegister("TableMultiSelectControl", DataControl);
+  safeRegister("TextControl", TextControl);
+  safeRegister("TextEditorControl", TextEditorControl);
+  safeRegister("TimeControl", DataControl);
 }
 
 export const controls = {
diff --git a/apps/jingrow/frontend/src/core/pagetype/default.vue b/apps/jingrow/frontend/src/core/pagetype/default.vue
index 75d66dd..f77d058 100644
--- a/apps/jingrow/frontend/src/core/pagetype/default.vue
+++ b/apps/jingrow/frontend/src/core/pagetype/default.vue
@@ -986,6 +986,12 @@ async function loadDetail() {
 
 // 保存
 async function handleSave() {
+  // 触发自定义事件，通知所有 FormBuilder 同步 fields
+  window.dispatchEvent(new CustomEvent('sync-form-builder-fields'))
+  
+  // 等待一帧，确保 fields 已同步
+  await new Promise(resolve => requestAnimationFrame(resolve))
+  
   // 脏检查：无改动则不保存
   try {
     if (JSON.stringify(record.value) === JSON.stringify(originalRecord.value)) {
@@ -1026,7 +1032,17 @@ async function handleSave() {
         }, 1500)
       }
     } else {
-      const res = await updateRecord(entity.value, id.value, record.value)
+      // 准备发送的数据：如果 fields 是字符串，解析为数组（Jingrow API 要求）
+      const dataToSend = { ...record.value }
+      if (typeof dataToSend.fields === 'string') {
+        try {
+          dataToSend.fields = JSON.parse(dataToSend.fields)
+        } catch (e) {
+          console.error('Failed to parse fields:', e)
+        }
+      }
+      
+      const res = await updateRecord(entity.value, id.value, dataToSend)
       if (res.success) {
         message.success(t('Saved successfully'))
         // 保存成功更新快照
diff --git a/apps/jingrow/frontend/src/core/pagetype/form/controls/HTML.vue b/apps/jingrow/frontend/src/core/pagetype/form/controls/HTML.vue
index cca946a..0f4478b 100644
--- a/apps/jingrow/frontend/src/core/pagetype/form/controls/HTML.vue
+++ b/apps/jingrow/frontend/src/core/pagetype/form/controls/HTML.vue
@@ -1,11 +1,14 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, ref, onMounted, onUnmounted } from 'vue'
 import FormBuilderComponent from '@/core/features/form_builder/FormBuilder.vue'
 import { useMessage } from 'naive-ui'
 
 const props = defineProps<{ df: any; record: Record<string, any>; canEdit: boolean; ctx: any }>()
 const message = useMessage()
 
+// FormBuilder ref
+const formBuilderRef = ref<InstanceType<typeof FormBuilderComponent> | null>(null)
+
 // Label布局：上下结构(vertical) 或 左右结构(horizontal)
 const labelLayout = computed(() => props.df.label_layout || 'vertical')
 
@@ -30,6 +33,42 @@ const fields = computed(() => {
   }
 })
 
+// 获取最新的 fields（供父组件调用）
+function getLatestFields() {
+  if (formBuilderRef.value) {
+    return formBuilderRef.value.getFields()
+  }
+  return null
+}
+
+// 同步 fields 到 record（在保存前调用）
+function syncFieldsToRecord() {
+  if (!isFormBuilder.value || !props.canEdit) return
+  
+  const latestFields = getLatestFields()
+  if (latestFields && props.record) {
+    try {
+      props.record.fields = JSON.stringify(latestFields)
+      console.log('[HTML.vue] Synced latest fields to record before save')
+    } catch (e) {
+      console.error('[HTML.vue] Failed to sync fields:', e)
+    }
+  }
+}
+
+// 监听全局保存事件
+function handleSyncEvent() {
+  syncFieldsToRecord()
+}
+
+onMounted(() => {
+  window.addEventListener('sync-form-builder-fields', handleSyncEvent)
+})
+
+onUnmounted(() => {
+  window.removeEventListener('sync-form-builder-fields', handleSyncEvent)
+})
+
 // Handle field updates from form builder
 function handleFieldsUpdate(newFields: any[]) {
   if (props.canEdit && isFormBuilder.value) {
@@ -55,14 +94,21 @@ function handleSave(newFields: any[]) {
 
 // Handle dirty state change
 function handleDirtyChange(isDirty: boolean) {
-  // Form builder dirty state changed
+  // 不在这里同步 fields，避免触发组件重新渲染导致输入失焦
+  // fields 只在保存时同步
 }
+
+// Expose methods to parent
+defineExpose({
+  getLatestFields
+})
 </script>
 
 <template>
   <!-- 如果是form_builder字段，渲染Form Builder组件 -->
   <div v-if="isFormBuilder" class="form-builder-field">
     <FormBuilderComponent
+      ref="formBuilderRef"
       :fields="fields"
       :pagetype="pagetypeName"
       :pagetype-record="record"