diff --git a/src/components/workflow/Step07Publish.vue b/src/components/workflow/Step07Publish.vue
index 8afb078..8710e15 100644
--- a/src/components/workflow/Step07Publish.vue
+++ b/src/components/workflow/Step07Publish.vue
@@ -20,6 +20,7 @@ const scheduleDialogVisible = ref(false);
 const scheduleDate = ref(null);
 const accountDialogVisible = ref(false);
 const activePlatformKey = ref("douyin");
+const checkingAccountId = ref(null);
 
 const hasVideo = computed(
   () => Boolean(processedVideoPath.value || generatedVideoPath.value),
@@ -125,6 +126,13 @@ async function onAddAccount(platform) {
   await onLogin(platform, null);
 }
 
+async function onTestAccount(platform, account) {
+  checkingAccountId.value = account.id;
+  const result = await workflow.checkPublishLoginStatus(platform.key, account.id, true);
+  checkingAccountId.value = null;
+  showFeedback(result);
+}
+
 function onDeleteAccount(platform, account) {
   platform.accounts = (platform.accounts || []).filter((a) => a.id !== account.id);
   if (platform.accountId === account.id) {
@@ -320,6 +328,15 @@ function formatUpdateTime(account) {
                 :loading="publishLoggingIn === activePlatform.key"
                 @click="onLoginAccount(activePlatform, account)"
               />
+              <Button
+                v-if="account.hasCookies"
+                label="测试"
+                size="small"
+                severity="secondary"
+                outlined
+                :loading="checkingAccountId === account.id"
+                @click="onTestAccount(activePlatform, account)"
+              />
               <Button
                 label="删除"
                 size="small"
diff --git a/src/services/videoPublish.js b/src/services/videoPublish.js
index 9ed2bca..19d2404 100644
--- a/src/services/videoPublish.js
+++ b/src/services/videoPublish.js
@@ -90,6 +90,42 @@ export async function loginPublishPlatform(store, platformKey, accountId = undef
   }
 }
 
+/**
+ * @param {ReturnType<typeof import('../stores/workflow.js').useWorkflowStore>} store
+ * @param {string} platformKey
+ * @param {number | null} accountId
+ */
+export async function checkPublishLoginStatus(
+  store,
+  platformKey,
+  accountId = null,
+  checkBrowser = true,
+) {
+  try {
+    const result = await invoke("publish_check_login", {
+      params: {
+        platform: platformKey,
+        accountId,
+        checkBrowser,
+      },
+    });
+    if (!result?.success) {
+      return {
+        ok: false,
+        message: String(result?.error || result?.message || "登录状态检测失败"),
+      };
+    }
+    if (result?.isLoggedIn) {
+      await refreshPublishAccounts(store);
+      return { ok: true, message: "登录状态有效" };
+    }
+    return { ok: false, message: "登录状态已失效，请重新登录" };
+  } catch (err) {
+    const msg = err instanceof Error ? err.message : String(err);
+    return { ok: false, message: `登录状态检测失败：${msg}` };
+  }
+}
+
 /**
  * @param {ReturnType<typeof import('../stores/workflow.js').useWorkflowStore>} store
  */
diff --git a/src/stores/workflow.js b/src/stores/workflow.js
index b183ca5..56b2352 100644
--- a/src/stores/workflow.js
+++ b/src/stores/workflow.js
@@ -49,6 +49,7 @@ import {
 import {
   createDefaultPublishPlatforms,
   executePublishVideo,
+  checkPublishLoginStatus,
   loginPublishPlatform,
   refreshPublishAccounts,
 } from "../services/videoPublish.js";
@@ -689,6 +690,10 @@ export const useWorkflowStore = defineStore("workflow", {
       return loginPublishPlatform(this, platformKey, accountId);
     },
 
+    async checkPublishLoginStatus(platformKey, accountId = null, checkBrowser = true) {
+      return checkPublishLoginStatus(this, platformKey, accountId, checkBrowser);
+    },
+
     async publishVideo(options) {
       return executePublishVideo(this, options);
     },