diff --git a/src/pages/editor.tsx b/src/pages/editor.tsx
index 3840e75..aa34606 100644
--- a/src/pages/editor.tsx
+++ b/src/pages/editor.tsx
@@ -16,7 +16,7 @@ import {
 } from "@/lib/db";
 import { FolderOpen, Settings } from "lucide-react";
 import { useTranslationInlineEdit } from "@/hooks/biz/use-translation-inline-edit";
-import { buildStructureFromObject, flattenEntries, flattenValues, type FlatEntry, insertEntrySibling, removeEntryAtPath, renameEntryAtPath, moveEntryByOffset } from "@/lib/i18n-structure";
+import { buildStructureFromObject, flattenEntries, flattenValues, unflattenValues, type FlatEntry, insertEntrySibling, removeEntryAtPath, renameEntryAtPath, moveEntryByOffset } from "@/lib/i18n-structure";
 import { ImportLanguageModal } from "@/components/biz/import-language-modal";
 import { ExportLanguageModal } from "@/components/biz/export-language-modal";
 import { EntryNameModal } from "@/components/biz/entry-name-modal";
@@ -215,18 +215,74 @@ export default function Editor({ projectId }: EditorProps) {
     }
   }, [projectId, setSourcesMeta]);
 
+  const updateStructureFromDefaultLanguage = useCallback(
+    async (opts?: { silent?: boolean }) => {
+      if (!projectId) return false;
+      
+      // 获取默认语言
+      const defaultLang = sourcesState.defaultLanguage;
+      if (!defaultLang) {
+        if (!opts?.silent) {
+          toast.error("未配置默认语言，无法更新翻译结构");
+        }
+        return false;
+      }
+      
+      // 获取默认语言的翻译内容
+      const translations = valuesByLang[defaultLang];
+      if (!translations || Object.keys(translations).length === 0) {
+        if (!opts?.silent) {
+          toast.error(`默认语言 ${defaultLang} 的翻译内容为空`);
+        }
+        return false;
+      }
+      
+      try {
+        // 从扁平结构转换为嵌套对象
+        const nestedObj = unflattenValues(translations);
+        // 从嵌套对象构建结构树
+        const root = buildStructureFromObject(nestedObj);
+        // 保存到数据库
+        await upsertStructure({ projectId, root });
+        setStructure({ projectId, root });
+        
+        if (!opts?.silent) {
+          toast.success("翻译结构已更新");
+        }
+        return true;
+      } catch (err) {
+        const message = (err as Error)?.message ?? "更新结构失败";
+        if (!opts?.silent) {
+          toast.error(message);
+        }
+        console.error("更新结构失败", err);
+        return false;
+      }
+    },
+    [projectId, sourcesState.defaultLanguage, valuesByLang]
+  );
+
   const syncExternalSources = useCallback(
-    async (opts?: { silent?: boolean; reloadConfig?: boolean }) => {
+    async (opts?: { silent?: boolean; reloadConfig?: boolean; updateStructure?: boolean }) => {
       let preloaded: LoadedProjectSources | null = null;
       if (opts?.reloadConfig) {
         preloaded = await bootstrapSources();
       }
+      let syncResult: boolean;
       if (preloaded) {
-        return applyLoadedSources(preloaded, opts);
+        syncResult = await applyLoadedSources(preloaded, opts);
+      } else {
+        syncResult = await syncFromAdapter(opts);
       }
-      return syncFromAdapter(opts);
+      
+      // 如果同步成功且需要更新结构，则从默认语言更新结构
+      if (syncResult && opts?.updateStructure) {
+        await updateStructureFromDefaultLanguage({ silent: opts.silent });
+      }
+      
+      return syncResult;
     },
-    [applyLoadedSources, bootstrapSources, syncFromAdapter]
+    [applyLoadedSources, bootstrapSources, syncFromAdapter, updateStructureFromDefaultLanguage]
   );
 
   const refresh = useCallback(
@@ -482,7 +538,7 @@ export default function Editor({ projectId }: EditorProps) {
         void syncExternalSources({ silent: false });
         break;
       case "read-all":
-        void syncExternalSources({ silent: false, reloadConfig: true });
+        void syncExternalSources({ silent: false, reloadConfig: true, updateStructure: true });
         break;
       case "save":
         void handleSaveAllConnected();