diff --git a/frontend/src/components/shared/ListTable/ListTable.tsx b/frontend/src/components/shared/ListTable/ListTable.tsx
index 75524ee..135a5c6 100644
--- a/frontend/src/components/shared/ListTable/ListTable.tsx
+++ b/frontend/src/components/shared/ListTable/ListTable.tsx
@@ -39,7 +39,7 @@ function ListTable<T extends Record<string, any>>({
     showSizeChanger: { showSearch: false },
     showQuickJumper: true,
   },
-  scroll = { x: "max-content" },
+  scroll = { x: "max(100%, 960px)" },
   onRowClick,
   selectedRow,
   loading = false,
@@ -49,7 +49,7 @@ function ListTable<T extends Record<string, any>>({
 }: ListTableProps<T>) {
   const mergedScroll = React.useMemo(() => {
     return {
-      x: "max-content",
+      x: "max(100%, 960px)",
       ...scroll,
     };
   }, [scroll]);
diff --git a/frontend/src/components/shared/LongTextPreview.css b/frontend/src/components/shared/LongTextPreview.css
new file mode 100644
index 0000000..9c7ecef
--- /dev/null
+++ b/frontend/src/components/shared/LongTextPreview.css
@@ -0,0 +1,28 @@
+.long-text-preview {
+  display: block;
+  max-width: 100%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  cursor: default;
+}
+
+.long-text-preview-popover {
+  max-width: min(720px, 70vw);
+}
+
+.long-text-preview-popover__content {
+  max-width: min(680px, 66vw);
+  max-height: 360px;
+  margin: 0 !important;
+  overflow: auto;
+  white-space: pre-wrap;
+  word-break: break-word;
+  user-select: text;
+  line-height: 1.6;
+}
+
+.long-text-preview-popover__content--code {
+  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
+  font-size: 12px;
+}
diff --git a/frontend/src/components/shared/LongTextPreview.tsx b/frontend/src/components/shared/LongTextPreview.tsx
new file mode 100644
index 0000000..d7c81c7
--- /dev/null
+++ b/frontend/src/components/shared/LongTextPreview.tsx
@@ -0,0 +1,47 @@
+import { Popover, Typography } from "antd";
+import type { TextProps } from "antd/es/typography/Text";
+import "./LongTextPreview.css";
+
+const { Paragraph, Text } = Typography;
+
+type LongTextPreviewProps = {
+  value?: string | number | null;
+  emptyText?: string;
+  code?: boolean;
+  copyable?: boolean;
+  className?: string;
+  textType?: TextProps["type"];
+  strong?: boolean;
+};
+
+export default function LongTextPreview({
+  value,
+  emptyText = "-",
+  code = false,
+  copyable = true,
+  className,
+  textType,
+  strong,
+}: LongTextPreviewProps) {
+  const text = value === undefined || value === null || value === "" ? emptyText : String(value);
+  const contentClassName = [
+    "long-text-preview-popover__content",
+    code ? "long-text-preview-popover__content--code" : undefined,
+  ].filter(Boolean).join(" ");
+
+  return (
+    <Popover
+      overlayClassName="long-text-preview-popover"
+      placement="topLeft"
+      content={
+        <Paragraph className={contentClassName} copyable={copyable ? { text } : false}>
+          {text}
+        </Paragraph>
+      }
+    >
+      <Text code={code} type={textType} strong={strong} className={["long-text-preview", className].filter(Boolean).join(" ")}>
+        {text}
+      </Text>
+    </Popover>
+  );
+}
diff --git a/frontend/src/pages/access/permissions/index.less b/frontend/src/pages/access/permissions/index.less
index deb91c5..de1d354 100644
--- a/frontend/src/pages/access/permissions/index.less
+++ b/frontend/src/pages/access/permissions/index.less
@@ -88,3 +88,26 @@
     }
   }
 }
+
+.permissions-route-text {
+  font-size: 12px;
+}
+
+.permissions-route-text--component {
+  font-size: 11px;
+}
+
+.permissions-name-cell {
+  display: flex;
+  width: 100%;
+  min-width: 0;
+}
+
+.permissions-name-cell .ant-space-item:last-child {
+  flex: 1;
+  min-width: 0;
+}
+
+.permissions-name-cell .long-text-preview {
+  min-width: 0;
+}
diff --git a/frontend/src/pages/access/permissions/index.tsx b/frontend/src/pages/access/permissions/index.tsx
index 0e62e3f..25ee4a3 100644
--- a/frontend/src/pages/access/permissions/index.tsx
+++ b/frontend/src/pages/access/permissions/index.tsx
@@ -35,6 +35,7 @@ import { usePermission } from "@/hooks/usePermission";
 import PageContainer from "@/components/shared/PageContainer";
 import DataListPanel from "@/components/shared/DataListPanel";
 import SectionCard from "@/components/shared/SectionCard";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import type { SysPermission } from "@/types";
 import "./index.less";
 
@@ -453,18 +454,22 @@ export default function Permissions() {
       title: t("permissions.permName"),
       dataIndex: "name",
       key: "name",
+      width: 360,
+      ellipsis: { showTitle: false },
       render: (text: string, record: TreePermission) => {
         let icon = <CheckSquareOutlined style={{ color: "#52c41a" }} aria-hidden="true" />;
         if (record.permType === "directory") icon = <FolderOutlined style={{ color: "#faad14" }} aria-hidden="true" />;
         if (record.permType === "menu") icon = <MenuOutlined style={{ color: "#1890ff" }} aria-hidden="true" />;
-        return <Space>{icon}<Text strong={record.level === 1}>{text}</Text></Space>;
+        return <Space className="permissions-name-cell">{icon}<LongTextPreview value={text} strong={record.level === 1} copyable={false} /></Space>;
       }
     },
     {
       title: t("permissions.permCode"),
       dataIndex: "code",
       key: "code",
-      render: (text: string) => text ? <Tag color="blue" className="tabular-nums">{text}</Tag> : "-"
+      width: 220,
+      ellipsis: { showTitle: false },
+      render: (text: string) => text ? <LongTextPreview value={text} code className="tabular-nums" /> : "-"
     },
     {
       title: t("permissions.permType"),
@@ -478,15 +483,16 @@ export default function Permissions() {
         return <Tag color={color}>{item ? item.itemLabel : type}</Tag>;
       }
     },
-    { title: t("permissions.sort"), dataIndex: "sortOrder", width: 80, className: "tabular-nums" },
+    { title: t("permissions.sort"), dataIndex: "sortOrder", width: 72, className: "tabular-nums" },
     {
       title: t("permissions.route"),
       key: "route",
-      ellipsis: true,
+      width: 220,
+      ellipsis: { showTitle: false },
       render: (_: unknown, record: TreePermission) => (
         <div className="flex flex-col">
-          {record.path && <Text type="secondary" style={{ fontSize: "12px" }} className="tabular-nums">{record.path}</Text>}
-          {record.component && <Text type="secondary" style={{ fontSize: "11px" }}>{record.component}</Text>}
+          {record.path && <LongTextPreview value={record.path} textType="secondary" className="tabular-nums permissions-route-text" />}
+          {record.component && <LongTextPreview value={record.component} textType="secondary" className="permissions-route-text permissions-route-text--component" />}
         </div>
       )
     },
@@ -510,7 +516,7 @@ export default function Permissions() {
     },
     {
       title: t("common.action"),
-      width: 150,
+      width: 132,
       fixed: "right" as const,
       render: (_: unknown, record: TreePermission) => (
         <Space>
@@ -583,7 +589,8 @@ export default function Permissions() {
             columns={columns}
             pagination={false}
             size="middle"
-            scroll={{ x: 'max-content', y: '100%' }}
+            scroll={{ x: 'max(100%, 1080px)', y: '100%' }}
+            tableLayout="fixed"
             expandable={{
               defaultExpandAllRows: false,
               rowExpandable: (record) => record.permType !== "button" && !!record.children?.length,
diff --git a/frontend/src/pages/business/AiModels.tsx b/frontend/src/pages/business/AiModels.tsx
index d90e2d2..e54f280 100644
--- a/frontend/src/pages/business/AiModels.tsx
+++ b/frontend/src/pages/business/AiModels.tsx
@@ -590,7 +590,7 @@ const AiModels: React.FC = () => {
               columns={resolvedTableColumns}
               dataSource={data}
               loading={loading}
-              scroll={{ x: "max-content", y: "100%" }}
+              scroll={{ x: "max(100%, 960px)", y: "100%" }}
               pagination={false}
             />
           </DataListPanel>
diff --git a/frontend/src/pages/business/ClientManagement.tsx b/frontend/src/pages/business/ClientManagement.tsx
index 24b3ec5..9cb6c79 100644
--- a/frontend/src/pages/business/ClientManagement.tsx
+++ b/frontend/src/pages/business/ClientManagement.tsx
@@ -473,7 +473,7 @@ export default function ClientManagement() {
             columns={columns}
             dataSource={pagedRecords}
             loading={loading || groupLoading || platformLoading}
-            scroll={{ x: "max-content", y: "100%" }}
+            scroll={{ x: "max(100%, 960px)", y: "100%" }}
             pagination={false}
           />
         </DataListPanel>
diff --git a/frontend/src/pages/business/ExternalAppManagement.tsx b/frontend/src/pages/business/ExternalAppManagement.tsx
index f95d1e6..77068e4 100644
--- a/frontend/src/pages/business/ExternalAppManagement.tsx
+++ b/frontend/src/pages/business/ExternalAppManagement.tsx
@@ -358,7 +358,7 @@ export default function ExternalAppManagement() {
             columns={columns}
             dataSource={pagedRecords}
             loading={loading}
-            scroll={{ x: "max-content", y: "100%" }}
+            scroll={{ x: "max(100%, 1000px)", y: "100%" }}
             pagination={false}
           />
         </DataListPanel>
diff --git a/frontend/src/pages/business/HotWords.tsx b/frontend/src/pages/business/HotWords.tsx
index aeb170a..f2537f5 100644
--- a/frontend/src/pages/business/HotWords.tsx
+++ b/frontend/src/pages/business/HotWords.tsx
@@ -559,7 +559,7 @@ const HotWords: React.FC = () => {
               dataSource={data}
               rowKey="id"
               loading={loading}
-              scroll={{ x: "max-content", y: "100%" }}
+              scroll={{ x: "max(100%, 1000px)", y: "100%" }}
               pagination={false}
             />
           </DataListPanel>
diff --git a/frontend/src/pages/business/LicenseManagement.tsx b/frontend/src/pages/business/LicenseManagement.tsx
index 5119fcb..84593f8 100644
--- a/frontend/src/pages/business/LicenseManagement.tsx
+++ b/frontend/src/pages/business/LicenseManagement.tsx
@@ -8,6 +8,7 @@ import DataListPanel from "@/components/shared/DataListPanel";
 import ListTable from "@/components/shared/ListTable/ListTable";
 import SectionCard from "@/components/shared/SectionCard";
 import SummaryStatCards from "@/components/shared/SummaryStatCards";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import { listLicenses, type LicenseVO } from "@/api/business/license";
 import "./LicenseManagement.css";
 
@@ -105,9 +106,10 @@ export default function LicenseManagement() {
       title: "授权标识",
       key: "license",
       width: 320,
+      ellipsis: { showTitle: false },
       render: (_, record) => (
-        <Space direction="vertical" size={0}>
-          <Text strong className="tabular-nums">{record.licenseSerial}</Text>
+        <Space direction="vertical" size={0} style={{ width: "100%" }}>
+          <LongTextPreview value={record.licenseSerial} strong className="tabular-nums" />
           {/*<Text type="secondary" className="tabular-nums">{record.licenseCode}</Text>*/}
         </Space>
       ),
@@ -131,7 +133,8 @@ export default function LicenseManagement() {
       dataIndex: "deviceCode",
       key: "deviceCode",
       width: 240,
-      render: (value) => <Text className="tabular-nums">{value || "-"}</Text>,
+      ellipsis: { showTitle: false },
+      render: (value) => <LongTextPreview value={value} className="tabular-nums" />,
     },
     {
       title: "过期时间",
@@ -184,7 +187,7 @@ export default function LicenseManagement() {
             dataSource={pagedRecords}
             loading={loading}
             pagination={false}
-            scroll={{ x: "max-content", y: "100%" }}
+            scroll={{ x: "max(100%, 960px)", y: "100%" }}
           />
         </DataListPanel>
       </SectionCard>
diff --git a/frontend/src/pages/business/MeetingPointsManagement.tsx b/frontend/src/pages/business/MeetingPointsManagement.tsx
index 1e2a22d..50310bd 100644
--- a/frontend/src/pages/business/MeetingPointsManagement.tsx
+++ b/frontend/src/pages/business/MeetingPointsManagement.tsx
@@ -456,7 +456,7 @@ export default function MeetingPointsManagement() {
               columns={overviewColumns}
               dataSource={overviewRows}
               loading={false}
-              scroll={{ x: "max-content", y: "100%" }}
+              scroll={{ x: "max(100%, 760px)", y: "100%" }}
               pagination={false}
             />
           ) : activeTabKey === "personal" ? (
@@ -466,7 +466,7 @@ export default function MeetingPointsManagement() {
               columns={personalAccountColumns}
               dataSource={pagedPersonalAccounts}
               loading={false}
-              scroll={{ x: "max-content", y: "100%" }}
+              scroll={{ x: "max(100%, 760px)", y: "100%" }}
               pagination={false}
             />
           ) : (
@@ -476,7 +476,7 @@ export default function MeetingPointsManagement() {
               columns={ledgerColumns}
               dataSource={records}
               loading={loading}
-              scroll={{ x: "max-content", y: "100%" }}
+              scroll={{ x: "max(100%, 960px)", y: "100%" }}
               pagination={false}
             />
           )}
diff --git a/frontend/src/pages/business/Meetings.tsx b/frontend/src/pages/business/Meetings.tsx
index c800ffa..ce0171d 100644
--- a/frontend/src/pages/business/Meetings.tsx
+++ b/frontend/src/pages/business/Meetings.tsx
@@ -923,7 +923,7 @@ const Meetings: React.FC = () => {
               rowKey="id"
               loading={loading}
               pagination={false}
-              scroll={{ x: "max-content", y: "calc(100vh - 430px)" }}
+              scroll={{ x: "max(100%, 1180px)", y: "calc(100vh - 430px)" }}
               onRow={(record) => ({ onClick: () => handleOpenMeeting(record) })}
               locale={{ emptyText: <Empty image={Empty.PRESENTED_IMAGE_SIMPLE} description="开启您的第一场会议分析" /> }}
             />
diff --git a/frontend/src/pages/business/PromptTemplates.tsx b/frontend/src/pages/business/PromptTemplates.tsx
index b980067..8873aa0 100644
--- a/frontend/src/pages/business/PromptTemplates.tsx
+++ b/frontend/src/pages/business/PromptTemplates.tsx
@@ -457,7 +457,7 @@ const PromptTemplates: React.FC = () => {
             rowKey="id"
             loading={loading}
             pagination={false}
-            scroll={{ x: "max-content", y: "100%" }}
+            scroll={{ x: "max(100%, 1400px)", y: "100%" }}
             onRow={(record) => ({ onClick: () => showDetail(record) })}
             locale={{ emptyText: <Empty image={Empty.PRESENTED_IMAGE_SIMPLE} description="暂无可用模板" /> }}
           />
diff --git a/frontend/src/pages/business/ScreenSaverManagement.tsx b/frontend/src/pages/business/ScreenSaverManagement.tsx
index fb2f150..15496d8 100644
--- a/frontend/src/pages/business/ScreenSaverManagement.tsx
+++ b/frontend/src/pages/business/ScreenSaverManagement.tsx
@@ -798,7 +798,7 @@ export default function ScreenSaverManagement() {
             locale={{
               emptyText: <Empty description="暂无屏保素材" />,
             }}
-            scroll={{ x: "max-content", y: "100%" }}
+            scroll={{ x: "max(100%, 1080px)", y: "100%" }}
           />
         </DataListPanel>
       </SectionCard>
diff --git a/frontend/src/pages/business/SpeakerReg.tsx b/frontend/src/pages/business/SpeakerReg.tsx
index bbc918b..e702ccf 100644
--- a/frontend/src/pages/business/SpeakerReg.tsx
+++ b/frontend/src/pages/business/SpeakerReg.tsx
@@ -708,7 +708,7 @@ const SpeakerReg: React.FC = () => {
           columns={columns}
           dataSource={filteredSpeakers}
           loading={listLoading}
-          scroll={{ x: "max-content", y: "100%" }}
+          scroll={{ x: "max(100%, 960px)", y: "100%" }}
           pagination={false}
         />
 
diff --git a/frontend/src/pages/business/TenantMeetingPointsSettings.tsx b/frontend/src/pages/business/TenantMeetingPointsSettings.tsx
index b5da739..c54417e 100644
--- a/frontend/src/pages/business/TenantMeetingPointsSettings.tsx
+++ b/frontend/src/pages/business/TenantMeetingPointsSettings.tsx
@@ -393,7 +393,7 @@ export default function TenantMeetingPointsSettings() {
               dataSource={records}
               loading={loading}
               totalCount={total}
-              scroll={{x: "max-content", y: "100%"}}
+              scroll={{x: "max(100%, 1280px)", y: "100%"}}
               pagination={false}
             />
           </DataListPanel>
diff --git a/frontend/src/pages/organization/orgs/index.tsx b/frontend/src/pages/organization/orgs/index.tsx
index 95ff53b..861968d 100644
--- a/frontend/src/pages/organization/orgs/index.tsx
+++ b/frontend/src/pages/organization/orgs/index.tsx
@@ -7,6 +7,7 @@ import { useDict } from "@/hooks/useDict";
 import { usePermission } from "@/hooks/usePermission";
 import PageContainer from "@/components/shared/PageContainer";
 import SectionCard from "@/components/shared/SectionCard";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import type { OrgNode, SysOrg, SysTenant } from "@/types";
 import "./index.less";
 
@@ -130,8 +131,8 @@ export default function Orgs() {
   };
 
   const columns = [
-    { title: t("orgs.orgName"), dataIndex: "orgName", key: "orgName", render: (text: string) => <Text strong>{text}</Text> },
-    { title: t("orgs.orgCode"), dataIndex: "orgCode", key: "orgCode", width: 150, render: (text: string) => <Tag className="tabular-nums">{text || "-"}</Tag> },
+    { title: t("orgs.orgName"), dataIndex: "orgName", key: "orgName", width: 320, ellipsis: { showTitle: false }, render: (text: string) => <LongTextPreview value={text} strong /> },
+    { title: t("orgs.orgCode"), dataIndex: "orgCode", key: "orgCode", width: 180, ellipsis: { showTitle: false }, render: (text: string) => <LongTextPreview value={text} code className="tabular-nums" /> },
     { title: t("orgs.sort"), dataIndex: "sortOrder", width: 100, className: "tabular-nums" },
     {
       title: t("common.status"),
@@ -188,7 +189,7 @@ export default function Orgs() {
         </div>
         <div className="orgs-table-shell">
           {selectedTenantId !== undefined ? (
-            <Table rowKey="id" columns={columns} dataSource={treeData} loading={loading} pagination={false} size="middle" scroll={{ y: "100%" }} expandable={{ defaultExpandAllRows: true }} />
+            <Table rowKey="id" columns={columns} dataSource={treeData} loading={loading} pagination={false} size="middle" scroll={{ x: "max(100%, 920px)", y: "100%" }} tableLayout="fixed" expandable={{ defaultExpandAllRows: true }} />
           ) : (
             <div className="app-page__empty-state"><Empty description={t("orgs.selectTenant")} /></div>
           )}
diff --git a/frontend/src/pages/system/dictionaries/index.tsx b/frontend/src/pages/system/dictionaries/index.tsx
index 48ebfcf..464a0f7 100644
--- a/frontend/src/pages/system/dictionaries/index.tsx
+++ b/frontend/src/pages/system/dictionaries/index.tsx
@@ -7,6 +7,7 @@ import { useDict } from "@/hooks/useDict";
 import { usePermission } from "@/hooks/usePermission";
 import PageContainer from "@/components/shared/PageContainer";
 import SectionCard from "@/components/shared/SectionCard";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import { getStandardPagination } from "@/utils/pagination";
 import type { SysDictItem, SysDictType } from "@/types";
 import "./index.less";
@@ -243,10 +244,11 @@ export default function Dictionaries() {
                   dataSource={items}
                   pagination={false}
                   size="middle"
-                  scroll={{ y: "calc(100vh - 320px)" }}
+                  scroll={{ x: "max(100%, 760px)", y: "calc(100vh - 320px)" }}
+                  tableLayout="fixed"
                   columns={[
-                    { title: t("dicts.itemLabel"), dataIndex: "itemLabel", render: (text: string) => <Text strong>{text}</Text> },
-                    { title: t("dicts.itemValue"), dataIndex: "itemValue", className: "tabular-nums" },
+                    { title: t("dicts.itemLabel"), dataIndex: "itemLabel", width: 220, ellipsis: { showTitle: false }, render: (text: string) => <LongTextPreview value={text} strong /> },
+                    { title: t("dicts.itemValue"), dataIndex: "itemValue", width: 220, ellipsis: { showTitle: false }, render: (text: string) => <LongTextPreview value={text} code className="tabular-nums" /> },
                     { title: t("dicts.sort"), dataIndex: "sortOrder", width: 80, className: "tabular-nums" },
                     {
                       title: t("common.status"),
diff --git a/frontend/src/pages/system/logs/index.tsx b/frontend/src/pages/system/logs/index.tsx
index 7e6d31f..bbe31f2 100644
--- a/frontend/src/pages/system/logs/index.tsx
+++ b/frontend/src/pages/system/logs/index.tsx
@@ -9,6 +9,7 @@ import DataListPanel from "@/components/shared/DataListPanel";
 import ListTable from "@/components/shared/ListTable/ListTable";
 import AppPagination from "@/components/shared/AppPagination";
 import SectionCard from "@/components/shared/SectionCard";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import { getDefaultPageSize } from "@/utils/pagination";
 import type { SysLog, SysTenant, UserProfile } from "@/types";
 import "./index.less";
@@ -19,7 +20,7 @@ const DEFAULT_TABLE_PAGE_SIZE = getDefaultPageSize("table");
 
 export default function Logs() {
   const { t } = useTranslation();
-  const [activeTab, setActiveTab] = useState("OPERATION");
+  const [activeTab, setActiveTab] = useState("");
   const [loading, setLoading] = useState(false);
   const [data, setData] = useState<SysLog[]>([]);
   const [total, setTotal] = useState(0);
@@ -42,7 +43,7 @@ export default function Logs() {
     sortField: "createdAt",
     sortOrder: "descend" as any
   });
-  const { items: logTypeDict } = useDict("sys_log_type");
+  const { items: logTypeDict, loading: logTypeLoading } = useDict("sys_log_type");
   const { items: logStatusDict } = useDict("sys_log_status");
 
   const userProfile = useMemo(() => {
@@ -60,21 +61,36 @@ export default function Logs() {
     if (!isPlatformAdmin || !params.tenantId) return t("logsExt.allTenants");
     return tenants.find((tenant) => tenant.id === params.tenantId)?.tenantName || t("logsExt.tenantId", { id: params.tenantId });
   }, [isPlatformAdmin, params.tenantId, tenants, t]);
-  const activeLogTypeLabel = useMemo(() => {
-    const dictLabel = logTypeDict.find((item) => item.itemValue === activeTab)?.itemLabel;
-    if (dictLabel) return dictLabel;
-    return activeTab === "OPERATION" ? t("logs.opLog") : t("logs.loginLog");
-  }, [activeTab, logTypeDict, t]);
+  const tabItems = useMemo(() => {
+    if (logTypeDict.length > 0) {
+      return logTypeDict.map((item) => ({
+        key: item.itemValue,
+        label: item.itemLabel,
+      }));
+    }
 
-  const tabItems = logTypeDict.length > 0
-    ? logTypeDict.map((item) => ({
-      key: item.itemValue,
-      label: item.itemLabel,
-    }))
-    : [
+    if (logTypeLoading) {
+      return [];
+    }
+
+    return [
       { key: "OPERATION", label: t("logs.opLog") },
       { key: "LOGIN", label: t("logs.loginLog") },
     ];
+  }, [logTypeDict, logTypeLoading, t]);
+
+  const activeLogTypeLabel = useMemo(() => {
+    const activeItem = tabItems.find((item) => item.key === activeTab) || tabItems[0];
+    if (activeItem?.label) return activeItem.label;
+    return activeTab === "LOGIN" ? t("logs.loginLog") : t("logs.opLog");
+  }, [activeTab, tabItems, t]);
+
+  useEffect(() => {
+    if (!tabItems.length) return;
+    if (!activeTab || !tabItems.some((item) => item.key === activeTab)) {
+      setActiveTab(tabItems[0].key);
+    }
+  }, [activeTab, tabItems]);
 
   const cleanAction = (
     <Popconfirm
@@ -85,13 +101,14 @@ export default function Logs() {
       okButtonProps={{ danger: true, loading: cleaning }}
       onConfirm={() => void handleClean()}
     >
-      <Button danger className="logs-clean-action" icon={<DeleteOutlined aria-hidden="true" />} loading={cleaning}>
+      <Button danger className="logs-clean-action" icon={<DeleteOutlined aria-hidden="true" />} loading={cleaning} disabled={!activeTab}>
         {t("logsExt.cleanCurrent", { type: activeLogTypeLabel })}
       </Button>
     </Popconfirm>
   );
 
   const loadData = async (currentParams = params) => {
+    if (!activeTab) return;
     const requestSeq = requestSeqRef.current + 1;
     requestSeqRef.current = requestSeq;
     setLoading(true);
@@ -172,6 +189,7 @@ export default function Logs() {
   };
 
   const handleClean = async () => {
+    if (!activeTab) return;
     setCleaning(true);
     try {
       await cleanLogs(activeTab, isPlatformAdmin ? params.tenantId : undefined);
@@ -207,8 +225,9 @@ export default function Logs() {
       title: activeTab === "OPERATION" ? t("logsExt.actionLabel") : t("logs.opDetail"),
       dataIndex: activeTab === "OPERATION" ? "actionName" : "operation",
       key: activeTab === "OPERATION" ? "actionName" : "operation",
-      ellipsis: true,
-      render: (_: string, record: SysLog) => <Text type="secondary">{record.actionName || record.operation}</Text>
+      width: activeTab === "OPERATION" ? 360 : 300,
+      ellipsis: { showTitle: false },
+      render: (_: string, record: SysLog) => <LongTextPreview value={record.actionName || record.operation} textType="secondary" />
     },
     {
       title: t("logs.ip"),
@@ -393,7 +412,7 @@ export default function Logs() {
             loading={loading}
             onChange={handleTableChange}
             totalCount={total}
-            scroll={{ y: "100%" }}
+            scroll={{ x: "max(100%, 1080px)", y: "100%" }}
             pagination={false}
           />
         </DataListPanel>
diff --git a/frontend/src/pages/system/sys-params/index.tsx b/frontend/src/pages/system/sys-params/index.tsx
index 4ea8c6d..7f6be60 100644
--- a/frontend/src/pages/system/sys-params/index.tsx
+++ b/frontend/src/pages/system/sys-params/index.tsx
@@ -10,6 +10,7 @@ import DataListPanel from "@/components/shared/DataListPanel";
 import ListTable from "@/components/shared/ListTable/ListTable";
 import AppPagination from "@/components/shared/AppPagination";
 import SectionCard from "@/components/shared/SectionCard";
+import LongTextPreview from "@/components/shared/LongTextPreview";
 import type { SysParamQuery, SysParamVO } from "@/types";
 import "./index.less";
 
@@ -160,6 +161,7 @@ export default function SysParams() {
       title: t("sysParams.paramKey"),
       dataIndex: "paramKey",
       key: "paramKey",
+      width: 320,
       render: (text: string, record: SysParamVO) => (
         <Space direction="vertical" size={0}>
           <Text className="param-key-text">{text}</Text>
@@ -172,6 +174,7 @@ export default function SysParams() {
       dataIndex: "paramValue",
       key: "paramValue",
       width: 360,
+      ellipsis: { showTitle: false },
       render: (text: string, record: SysParamVO) => {
         const type = record.paramType;
         // Boolean: 彩色标签显示 是/否
@@ -181,40 +184,10 @@ export default function SysParams() {
         }
         // JSON: 等宽字体，以纯字符串显示
         if (isType(type, "JSON")) {
-          return (
-            <Tooltip title={text}>
-              <Text
-                code
-                style={{
-                  display: "block",
-                  maxWidth: "100%",
-                  overflow: "hidden",
-                  textOverflow: "ellipsis",
-                  whiteSpace: "nowrap"
-                }}
-              >
-                {text}
-              </Text>
-            </Tooltip>
-          );
+          return <LongTextPreview value={text} code />;
         }
-        // Number / String: 等宽代码文本 + Tooltip
-        return (
-          <Tooltip title={text}>
-            <Text
-              code
-              style={{
-                display: "block",
-                maxWidth: "100%",
-                overflow: "hidden",
-                textOverflow: "ellipsis",
-                whiteSpace: "nowrap"
-              }}
-            >
-              {text}
-            </Text>
-          </Tooltip>
-        );
+        // 数字和字符串：等宽代码文本，悬浮查看完整内容。
+        return <LongTextPreview value={text} code />;
       }
     },
     {
@@ -224,7 +197,7 @@ export default function SysParams() {
       width: 120,
       render: (type: string) => <Tag className="param-type-tag">{type || t("sysParamsExt.defaultType")}</Tag>
     },
-    { title: t("sysParams.description"), dataIndex: "description", key: "description", ellipsis: true },
+    { title: t("sysParams.description"), dataIndex: "description", key: "description", width: 360, ellipsis: true },
     {
       title: t("common.status"),
       dataIndex: "status",
@@ -298,7 +271,7 @@ export default function SysParams() {
             columns={columns}
             dataSource={data}
             loading={loading}
-            scroll={{ y: "100%" }}
+            scroll={{ x: "max(100%, 1350px)", y: "100%" }}
             pagination={false}
           />
         </DataListPanel>