diff --git a/apps/desktop-client/src/renderer/views/PublishManagementView.vue b/apps/desktop-client/src/renderer/views/PublishManagementView.vue
index 27d68a8..bf2c373 100644
--- a/apps/desktop-client/src/renderer/views/PublishManagementView.vue
+++ b/apps/desktop-client/src/renderer/views/PublishManagementView.vue
@@ -9,6 +9,7 @@ import {
   SendOutlined,
 } from "@ant-design/icons-vue";
 import type { DesktopPublishTaskListResponse, DesktopTaskInfo, JsonValue } from "@geo/shared-types";
+import { notification } from "ant-design-vue";
 import { computed, onMounted, onUnmounted, ref, watch } from "vue";
 
 import StatusBadge from "../components/StatusBadge.vue";
@@ -18,6 +19,8 @@ import { desktopPublishMediaCatalog } from "../lib/media-catalog";
 import { normalizePublisherErrorMessage } from "../../shared/publisher-errors";
 
 const PAGE_SIZE = 10;
+const INLINE_ERROR_HEAD_CHARS = 48;
+const INLINE_ERROR_TAIL_CHARS = 10;
 
 const publishPlatformIndex: Record<string, (typeof desktopPublishMediaCatalog)[number]> = Object.fromEntries(
   desktopPublishMediaCatalog.map((item) => [item.id, item]),
@@ -131,6 +134,15 @@ function normalizeTaskErrorMessage(message: string | null): string | null {
   return normalizePublisherErrorMessage(normalized) ?? normalized;
 }
 
+function inlineErrorPreview(message: string): string {
+  const compact = message.replace(/\s+/g, " ").trim();
+  const maxLength = INLINE_ERROR_HEAD_CHARS + INLINE_ERROR_TAIL_CHARS + 3;
+  if (compact.length <= maxLength) {
+    return compact;
+  }
+  return `${compact.slice(0, INLINE_ERROR_HEAD_CHARS)}...${compact.slice(-INLINE_ERROR_TAIL_CHARS)}`;
+}
+
 function summaryForTask(status: DesktopTaskInfo["status"]): string {
   switch (status) {
     case "queued":
@@ -164,11 +176,26 @@ const searchTitle = ref("");
 const appliedTitle = ref("");
 const loading = ref(false);
 const error = ref<string | null>(null);
-const actionError = ref<string | null>(null);
 const actionPendingTaskId = ref<string | null>(null);
 const consolePendingTaskId = ref<string | null>(null);
 const copiedErrorTaskId = ref<string | null>(null);
-const actionMessage = ref<string | null>(null);
+
+function notifySuccess(message: string) {
+  notification.success({
+    message,
+    placement: "topRight",
+    duration: 2.4,
+  });
+}
+
+function notifyActionError(description: string) {
+  notification.error({
+    message: "操作失败",
+    description,
+    placement: "topRight",
+    duration: 4,
+  });
+}
 
 async function refreshTasks(page = currentPage.value) {
   loading.value = true;
@@ -199,15 +226,13 @@ async function refreshTasks(page = currentPage.value) {
 
 async function retryTask(taskId: string) {
   actionPendingTaskId.value = taskId;
-  actionError.value = null;
-  actionMessage.value = null;
 
   try {
     await window.desktopBridge.app.retryPublishTask(taskId);
-    actionMessage.value = "已重新加入发布队列。";
+    notifySuccess("已重新加入发布队列");
     await refreshTasks();
   } catch (err) {
-    actionError.value = err instanceof Error ? err.message : "重新发送失败";
+    notifyActionError(err instanceof Error ? err.message : "重新发送失败");
   } finally {
     actionPendingTaskId.value = null;
   }
@@ -217,19 +242,17 @@ async function openExternalUrl(url: string | null) {
   if (!url) {
     return;
   }
-  actionError.value = null;
 
   try {
     await window.desktopBridge.app.openExternalUrl(url);
   } catch (err) {
-    actionError.value = err instanceof Error ? err.message : "打开外链失败";
+    notifyActionError(err instanceof Error ? err.message : "打开外链失败");
   }
 }
 
 async function openAccountWorkbench(record: PublishTaskItem) {
   const account = accountMap.value.get(record.accountId) ?? null;
   consolePendingTaskId.value = record.id;
-  actionError.value = null;
 
   try {
     await window.desktopBridge.app.openPublishAccountConsole({
@@ -239,7 +262,7 @@ async function openAccountWorkbench(record: PublishTaskItem) {
       displayName: account?.displayName ?? record.accountName,
     });
   } catch (err) {
-    actionError.value = err instanceof Error ? err.message : "打开账号工作台失败";
+    notifyActionError(err instanceof Error ? err.message : "打开账号工作台失败");
   } finally {
     consolePendingTaskId.value = null;
   }
@@ -267,18 +290,17 @@ async function copyErrorMessage(record: PublishTaskItem) {
     return;
   }
 
-  actionError.value = null;
   try {
     await copyTextToClipboard(record.errorMessage);
     copiedErrorTaskId.value = record.id;
-    actionMessage.value = "错误详情已复制。";
+    notifySuccess("错误详情已复制");
     window.setTimeout(() => {
       if (copiedErrorTaskId.value === record.id) {
         copiedErrorTaskId.value = null;
       }
     }, 1_500);
   } catch (err) {
-    actionError.value = err instanceof Error ? err.message : "复制错误详情失败";
+    notifyActionError(err instanceof Error ? err.message : "复制错误详情失败");
   }
 }
 
@@ -368,12 +390,12 @@ const historyTotal = computed(() => taskPage.value?.history_total ?? 0);
 const totalCount = computed(() => taskPage.value?.total ?? 0);
 
 const tableColumns = [
-  { title: "文章标题", key: "title", dataIndex: "title" },
-  { title: "账号 / 平台", key: "account", dataIndex: "account" },
+  { title: "文章标题", key: "title", dataIndex: "title", width: 280 },
+  { title: "账号 / 平台", key: "account", dataIndex: "account", width: 180 },
   { title: "状态", key: "status", dataIndex: "status", width: 130 },
-  { title: "任务信息", key: "meta", dataIndex: "meta" },
-  { title: "时间", key: "time", dataIndex: "time", width: 220 },
-  { title: "操作", key: "actions", align: "right" as const, width: 120 },
+  { title: "任务信息", key: "meta", dataIndex: "meta", width: 360 },
+  { title: "时间", key: "time", dataIndex: "time", width: 210 },
+  { title: "操作", key: "actions", align: "right" as const, width: 112 },
 ];
 </script>
 
@@ -412,9 +434,7 @@ const tableColumns = [
     </section>
 
     <!-- Feedback Banners -->
-    <div v-if="actionMessage" class="feedback-banner success"><div class="success-text">{{ actionMessage }}</div></div>
     <div v-if="error" class="feedback-banner error"><div class="error-text">{{ error }}</div></div>
-    <div v-if="actionError" class="feedback-banner error"><div class="error-text">{{ actionError }}</div></div>
 
     <!-- Table Details Section -->
     <section class="content-section">
@@ -504,22 +524,24 @@ const tableColumns = [
                 <div class="info-stack">
                   <span class="subtitle strong-text">{{ record.summary }}</span>
                   <span v-if="record.errorMessage" class="error-message-row">
-                    <a-tooltip placement="topLeft" overlay-class-name="publish-error-tooltip">
-                      <template #title>
-                        <pre class="error-tooltip-content">{{ record.errorMessage }}</pre>
+                    <a-popover placement="topLeft" overlay-class-name="publish-error-popover" trigger="hover">
+                      <template #content>
+                        <div class="error-popover-panel" @click.stop>
+                          <div class="error-popover-header">发布错误</div>
+                          <pre class="error-popover-content">{{ record.errorMessage }}</pre>
+                          <button
+                            class="popover-copy-btn"
+                            type="button"
+                            :aria-label="copiedErrorTaskId === record.id ? '错误详情已复制' : '复制错误详情'"
+                            @click.stop="copyErrorMessage(record)"
+                          >
+                            <CopyOutlined />
+                            <span>{{ copiedErrorTaskId === record.id ? "已复制" : "复制错误详情" }}</span>
+                          </button>
+                        </div>
                       </template>
-                      <span class="error-text error-text--truncate">{{ record.errorMessage }}</span>
-                    </a-tooltip>
-                    <a-tooltip :title="copiedErrorTaskId === record.id ? '已复制' : '复制错误详情'" placement="top">
-                      <button
-                        class="copy-error-btn"
-                        type="button"
-                        :aria-label="copiedErrorTaskId === record.id ? '错误详情已复制' : '复制错误详情'"
-                        @click.stop="copyErrorMessage(record)"
-                      >
-                        <CopyOutlined />
-                      </button>
-                    </a-tooltip>
+                      <span class="error-text error-text--truncate">{{ inlineErrorPreview(record.errorMessage) }}</span>
+                    </a-popover>
                   </span>
                   <span class="subtitle mono-detail">
                     尝试 {{ record.attempts }} 次
@@ -727,6 +749,19 @@ const tableColumns = [
   padding: 0 32px;
 }
 
+:deep(.modern-table .ant-table),
+:deep(.modern-table .ant-table-container),
+:deep(.modern-table .ant-table-content) {
+  width: 100%;
+  max-width: 100%;
+  overflow: hidden;
+}
+
+:deep(.modern-table .ant-table table) {
+  width: 100% !important;
+  table-layout: fixed !important;
+}
+
 :deep(.modern-table .ant-table-thead > tr > th) {
   background-color: transparent !important;
   color: #64748b;
@@ -759,11 +794,15 @@ const tableColumns = [
 .cell-primary-secondary {
   display: flex;
   flex-direction: column;
+  min-width: 0;
+  max-width: 100%;
 }
 .info-stack {
   display: flex;
   flex-direction: column;
   gap: 2px;
+  min-width: 0;
+  max-width: 100%;
 }
 .info-stack .title {
   font-weight: 600;
@@ -835,16 +874,39 @@ const tableColumns = [
   font-weight: 500;
 }
 
+.meta-cell {
+  width: 100%;
+  min-width: 0;
+}
+
+.error-message-row {
+  display: block;
+  width: 100%;
+  min-width: 0;
+  max-width: 100%;
+  margin-top: 4px;
+  overflow: hidden;
+}
+
 .error-text {
   color: #ef4444;
   font-size: 13px;
-  margin-top: 4px;
   font-weight: 500;
 }
-.success-text {
-  color: #10b981;
-  font-size: 13px;
-  font-weight: 500;
+
+.error-text--truncate {
+  display: block;
+  min-width: 0;
+  max-width: 100%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.error-message-row :deep(.ant-popover-open) {
+  min-width: 0;
+  display: block;
+  max-width: 100%;
 }
 
 /* Action Buttons */
@@ -906,16 +968,97 @@ const tableColumns = [
   border-color: #fca5a5;
   background: #fef2f2;
 }
-.feedback-banner.success {
-  border-color: #6ee7b7;
-  background: #ecfdf5;
-}
 
 :global(.external-url-tooltip .ant-tooltip-inner) {
   max-width: min(520px, 80vw);
   overflow-wrap: anywhere;
 }
 
+:global(.publish-error-popover .ant-popover-inner) {
+  max-width: min(720px, 82vw);
+  border: 1px solid #fecaca;
+  border-radius: 8px;
+  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.16);
+}
+
+:global(.publish-error-popover .ant-popover-inner-content) {
+  padding: 12px;
+}
+
+:global(.publish-error-popover .ant-popover-arrow::before) {
+  background: #fff;
+  border-color: #fecaca;
+}
+
+:global(.publish-error-popover .error-popover-panel) {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+  min-width: min(520px, 76vw);
+  max-width: min(720px, 82vw);
+}
+
+:global(.publish-error-popover .error-popover-header) {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  color: #dc2626;
+  font-size: 13px;
+  font-weight: 700;
+  line-height: 1.4;
+}
+
+:global(.publish-error-popover .error-popover-header::before) {
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: #ef4444;
+  content: "";
+}
+
+:global(.publish-error-popover .error-popover-content) {
+  max-height: 360px;
+  margin: 0;
+  overflow: auto;
+  padding: 10px;
+  border: 1px solid #fee2e2;
+  border-radius: 6px;
+  background: #fff7f7;
+  color: #991b1b;
+  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+  font-size: 12px;
+  line-height: 1.55;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
+  word-break: break-word;
+}
+
+:global(.publish-error-popover .popover-copy-btn) {
+  display: inline-flex;
+  align-self: flex-end;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  height: 28px;
+  padding: 0 10px;
+  border: 1px solid #fecaca;
+  border-radius: 6px;
+  background: #fff;
+  color: #dc2626;
+  cursor: pointer;
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1;
+  transition: background-color 0.2s ease, border-color 0.2s ease;
+}
+
+:global(.publish-error-popover .popover-copy-btn:hover),
+:global(.publish-error-popover .popover-copy-btn:focus-visible) {
+  background: #fef2f2;
+  border-color: #f87171;
+  outline: none;
+}
+
 /* Responsiveness */
 @media (max-width: 1024px) {
   .hero-header {