diff --git a/event-binding.js b/event-binding.js
index 50e4edd..8bb3ed9 100644
--- a/event-binding.js
+++ b/event-binding.js
@@ -506,6 +506,12 @@ export function onMessageReceivedController(
   messageId = null,
   _type = "",
 ) {
+  const enqueueMicrotask =
+    typeof runtime.queueMicrotask === "function"
+      ? runtime.queueMicrotask.bind(runtime)
+      : typeof globalThis.queueMicrotask === "function"
+        ? globalThis.queueMicrotask.bind(globalThis)
+        : (task) => Promise.resolve().then(task);
   const persistenceState = runtime.getGraphPersistenceState?.() || {};
   const loadState = persistenceState.loadState || "";
   const dbReady =
@@ -552,7 +558,7 @@ export function onMessageReceivedController(
     : lastMessage;
 
   if (runtime.isAssistantChatMessage(targetMessage)) {
-    runtime.queueMicrotask(() => {
+    enqueueMicrotask(() => {
       void runtime.runExtraction().catch((error) => {
         runtime.console.error("[ST-BME] 异步自动提取失败:", error);
         runtime.notifyExtractionIssue(
diff --git a/tests/p0-regressions.mjs b/tests/p0-regressions.mjs
index b713efb..9e1e49a 100644
--- a/tests/p0-regressions.mjs
+++ b/tests/p0-regressions.mjs
@@ -10,6 +10,7 @@ import {
   onChatChangedController,
   onGenerationAfterCommandsController,
   onGenerationStartedController,
+  onMessageReceivedController,
   onMessageSwipedController,
   registerCoreEventHooksController,
 } from "../event-binding.js";
@@ -2946,6 +2947,48 @@ async function testSwipeRoutesToRerollWithoutHistoryRecoveryFallback() {
   assert.equal(result.recoveryPath, "reverse-journal");
 }
 
+async function testMessageReceivedQueuesExtractionWithoutRuntimeQueueMicrotask() {
+  let runExtractionCalls = 0;
+  let refreshCalls = 0;
+
+  onMessageReceivedController(
+    {
+      getGraphPersistenceState: () => ({ loadState: "loaded", dbReady: true }),
+      getCurrentGraph: () => null,
+      getPendingRecallSendIntent: () => ({ text: "", at: 0 }),
+      isFreshRecallInputRecord: () => true,
+      createRecallInputRecord: () => ({ text: "", at: 0 }),
+      setPendingRecallSendIntent() {},
+      getContext: () => ({
+        chat: [
+          { is_user: true, mes: "u1" },
+          { is_user: false, mes: "a1" },
+        ],
+      }),
+      isAssistantChatMessage(message) {
+        return Boolean(message) && !message.is_user && !message.is_system;
+      },
+      runExtraction: async () => {
+        runExtractionCalls += 1;
+      },
+      console: {
+        error() {},
+      },
+      notifyExtractionIssue() {},
+      refreshPersistedRecallMessageUi() {
+        refreshCalls += 1;
+      },
+    },
+    1,
+    "assistant",
+  );
+
+  await waitForTick();
+
+  assert.equal(runExtractionCalls, 1);
+  assert.equal(refreshCalls, 1);
+}
+
 async function testAutoExtractionDefersWhenGraphNotReady() {
   const deferredReasons = [];
   const statuses = [];
@@ -4218,6 +4261,7 @@ await testGenerationRecallSentMessageClearsStaleTransactionForSameKey();
 await testRegisterCoreEventHooksIsIdempotent();
 await testChatChangedDoesNotClearCoreEventBindings();
 await testSwipeRoutesToRerollWithoutHistoryRecoveryFallback();
+await testMessageReceivedQueuesExtractionWithoutRuntimeQueueMicrotask();
 await testAutoExtractionDefersWhenGraphNotReady();
 await testAutoExtractionDefersWhenAlreadyExtracting();
 await testAutoExtractionDefersWhenHistoryRecoveryBusy();