diff --git a/sync/bme-db.js b/sync/bme-db.js
index e8c8d20..5eb99a2 100644
--- a/sync/bme-db.js
+++ b/sync/bme-db.js
@@ -2224,6 +2224,31 @@ async function loadDexieFromNodeFallback() {
   throw new Error("Dexie 不可用（Node 环境缺少 dexie 依赖）");
 }
 
+async function loadDexieByModuleImport() {
+  const moduleUrl = new URL(DEXIE_SCRIPT_SOURCE, import.meta.url).toString();
+  try {
+    const imported = await import(moduleUrl);
+    const DexieCtor =
+      imported?.default ||
+      imported?.Dexie ||
+      globalThis.Dexie ||
+      null;
+    if (typeof DexieCtor === "function") {
+      globalThis.Dexie = DexieCtor;
+      return DexieCtor;
+    }
+    if (typeof globalThis.Dexie === "function") {
+      return globalThis.Dexie;
+    }
+  } catch (error) {
+    throw new Error(
+      `Dexie 模块导入失败: ${error?.message || String(error) || moduleUrl}`,
+    );
+  }
+
+  throw new Error("Dexie 模块已加载但未导出可用构造函数");
+}
+
 async function loadDexieByScriptInjection() {
   const scriptUrl = new URL(DEXIE_SCRIPT_SOURCE, import.meta.url).toString();
   const doc = globalThis.document;
@@ -2291,6 +2316,12 @@ export async function ensureDexieLoaded() {
         return await loadDexieFromNodeFallback();
       }
 
+      try {
+        return await loadDexieByModuleImport();
+      } catch (moduleError) {
+        console.warn("[ST-BME] Dexie 模块导入失败，回退脚本注入:", moduleError);
+      }
+
       return await loadDexieByScriptInjection();
     })()
       .then((DexieCtor) => {
diff --git a/tests/dexie-loader.mjs b/tests/dexie-loader.mjs
new file mode 100644
index 0000000..6ac93a6
--- /dev/null
+++ b/tests/dexie-loader.mjs
@@ -0,0 +1,37 @@
+import assert from "node:assert/strict";
+
+import { ensureDexieLoaded } from "../sync/bme-db.js";
+
+const previousDocument = globalThis.document;
+const previousDexie = globalThis.Dexie;
+const previousLoadPromise = globalThis.__stBmeDexieLoadPromise;
+
+try {
+  globalThis.document = {};
+  delete globalThis.Dexie;
+  delete globalThis.__stBmeDexieLoadPromise;
+
+  const DexieCtor = await ensureDexieLoaded();
+  assert.equal(typeof DexieCtor, "function");
+  assert.equal(globalThis.Dexie, DexieCtor);
+} finally {
+  if (previousDocument === undefined) {
+    delete globalThis.document;
+  } else {
+    globalThis.document = previousDocument;
+  }
+
+  if (previousDexie === undefined) {
+    delete globalThis.Dexie;
+  } else {
+    globalThis.Dexie = previousDexie;
+  }
+
+  if (previousLoadPromise === undefined) {
+    delete globalThis.__stBmeDexieLoadPromise;
+  } else {
+    globalThis.__stBmeDexieLoadPromise = previousLoadPromise;
+  }
+}
+
+console.log("dexie-loader tests passed");
diff --git a/ui/panel.js b/ui/panel.js
index 98e3cea..a319d03 100644
--- a/ui/panel.js
+++ b/ui/panel.js
@@ -11759,10 +11759,13 @@ function _refreshPersistenceRepairUi(
   }
 
   if (loadInfo?.pendingPersist === true) {
-    help.textContent =
+    const baseMessage =
       isLuker
         ? "最近一批提取已经完成，但 Luker manifest 还没确认。先试“重试持久化”，如果仍未确认，再试“修复主 Sidecar”或“重建本地缓存”。"
         : "最近一批提取已经完成，但正式写回还没确认。先试“重试持久化”，如果状态没变化，再试“重新探测图谱”。";
+    help.textContent = loadInfo?.indexedDbLastError
+      ? `${baseMessage}\n本地错误：${loadInfo.indexedDbLastError}`
+      : baseMessage;
     return;
   }