diff --git a/frontend/src/components/kubernetes/NamespaceManagementPage.tsx b/frontend/src/components/kubernetes/NamespaceManagementPage.tsx
index 1e8869a..18a212a 100644
--- a/frontend/src/components/kubernetes/NamespaceManagementPage.tsx
+++ b/frontend/src/components/kubernetes/NamespaceManagementPage.tsx
@@ -121,7 +121,7 @@ export default function NamespaceManagementPage() {
     <PageShell
       variant="list"
       title={i18n.t('k8s.nsMgmt.title')}
-      subtitle={`${clusterCode} · 资源配额与生命周期管理`}
+      subtitle={i18n.t('k8s.nsMgmt.quotaSubtitle', { code: clusterCode })}
       icon={<Boxes className="h-5 w-5" />}
       metrics={!loading ? (
         <StatStrip
diff --git a/frontend/src/components/kubernetes/NamespaceOverviewPage.tsx b/frontend/src/components/kubernetes/NamespaceOverviewPage.tsx
index 21c062e..1ba85ba 100644
--- a/frontend/src/components/kubernetes/NamespaceOverviewPage.tsx
+++ b/frontend/src/components/kubernetes/NamespaceOverviewPage.tsx
@@ -68,7 +68,7 @@ export default function NamespaceOverviewPage() {
     <PageShell
       variant="default"
       title={namespace || i18n.t('kubernetes.namespace.title')}
-      subtitle={`${clusterCode} · 命名空间概览`}
+      subtitle={i18n.t('k8s.nsOverview.subtitle', { code: clusterCode })}
       icon={<Cloud className="h-5 w-5" />}
       loading={loading}
       loadingLabel={i18n.t('k8s.nsOverview.loadingStats')}
diff --git a/frontend/src/components/kubernetes/deployment-detail/CreateHPADialog.tsx b/frontend/src/components/kubernetes/deployment-detail/CreateHPADialog.tsx
index 35ea342..ee4d5d0 100644
--- a/frontend/src/components/kubernetes/deployment-detail/CreateHPADialog.tsx
+++ b/frontend/src/components/kubernetes/deployment-detail/CreateHPADialog.tsx
@@ -72,8 +72,8 @@ export function CreateHPADialog({ clusterCode, namespace, deploymentName, onCrea
               </div>
               <div>
                 <Label className="dg-text-secondary text-sm">{i18n.t("common.target")}</Label>
-                <p className="text-[var(--dg-text-secondary)] text-sm mt-1 bg-[var(--dg-bg-tertiary)] rounded px-3 py-2 truncate" title={`Deployment: ${deploymentName} · 命名空间: ${namespace}`}>
-                  Deployment: {deploymentName} · 命名空间: {namespace}
+                <p className="text-[var(--dg-text-secondary)] text-sm mt-1 bg-[var(--dg-bg-tertiary)] rounded px-3 py-2 truncate" title={i18n.t('k8s.hpa.targetInfo', { deploy: deploymentName, ns: namespace })}>
+                  {i18n.t('k8s.hpa.targetInfo', { deploy: deploymentName, ns: namespace })}
                 </p>
               </div>
               <div className="grid grid-cols-2 gap-3">
diff --git a/frontend/src/components/monitor/log-center/LogFieldSidebar.tsx b/frontend/src/components/monitor/log-center/LogFieldSidebar.tsx
index 8a1f5bd..f17d65e 100644
--- a/frontend/src/components/monitor/log-center/LogFieldSidebar.tsx
+++ b/frontend/src/components/monitor/log-center/LogFieldSidebar.tsx
@@ -92,7 +92,7 @@ export function LogFieldSidebar({
                 className="flex items-center gap-1.5 py-1 px-1.5 rounded cursor-pointer hover:opacity-80 transition-colors"
                 style={{ background: selectedFields.includes(f.name) ? 'var(--dg-bg-tertiary)' : 'transparent' }}
                 onClick={() => onFieldClick?.(f.name)}
-                title={`${f.name} (${f.type || 'text'})${f.count ? ` · ${f.count} 个值` : ''}`}
+                title={`${f.name} (${f.type || 'text'})${f.count ? ` · ${i18n.t('common.fieldValues', { count: f.count })}` : ''}`}
               >
                 <input
                   type="checkbox"
diff --git a/frontend/src/components/system/LiveMonitorDialog.tsx b/frontend/src/components/system/LiveMonitorDialog.tsx
index c74c227..ef820e7 100644
--- a/frontend/src/components/system/LiveMonitorDialog.tsx
+++ b/frontend/src/components/system/LiveMonitorDialog.tsx
@@ -232,7 +232,7 @@ export function LiveMonitorDialog({ open, onOpenChange, sessionId, sessionInfo }
               type="button"
               onClick={() => setFullscreen(!fullscreen)}
               className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]"
-              title={fullscreen ? '退出全屏' : '全屏'}
+              title={fullscreen ? t('common.exitFullscreen') : t('common.fullscreen')}
             >
               {fullscreen ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
             </button>
diff --git a/frontend/src/components/system/SystemSettingsTab.tsx b/frontend/src/components/system/SystemSettingsTab.tsx
index 7859802..bda69ea 100644
--- a/frontend/src/components/system/SystemSettingsTab.tsx
+++ b/frontend/src/components/system/SystemSettingsTab.tsx
@@ -57,6 +57,7 @@ export interface SystemSettingsTabProps {
   ldapSaving: boolean;
   ldapTesting: boolean;
   ldapTestResult: string | null;
+  ldapTestSuccess: boolean;
   handleLdapSave: () => void;
   handleLdapTest: () => void;
   // LDAP management - pass-through to LdapManagementSection
diff --git a/frontend/src/components/system/system-settings/LdapSettingsTab.tsx b/frontend/src/components/system/system-settings/LdapSettingsTab.tsx
index de4b2dc..00b245e 100644
--- a/frontend/src/components/system/system-settings/LdapSettingsTab.tsx
+++ b/frontend/src/components/system/system-settings/LdapSettingsTab.tsx
@@ -17,6 +17,7 @@ type LdapSettingsTabProps = Pick<
   | "ldapSaving"
   | "ldapTesting"
   | "ldapTestResult"
+  | "ldapTestSuccess"
   | "handleLdapSave"
   | "handleLdapTest"
 > &
@@ -75,6 +76,7 @@ export function LdapSettingsTab(props: LdapSettingsTabProps) {
     ldapSaving,
     ldapTesting,
     ldapTestResult,
+    ldapTestSuccess,
     handleLdapSave,
     handleLdapTest,
   } = props;
@@ -204,7 +206,7 @@ export function LdapSettingsTab(props: LdapSettingsTabProps) {
           <div className="flex items-center gap-3 mt-4 pt-4 border-t border-[var(--dg-border)]">
             {ldapTestResult && (
               <span
-                className={`text-xs ${ldapTestResult.includes("成功") ? "dg-text-green" : "dg-text-red"}`}
+                className={`text-xs ${ldapTestSuccess ? "dg-text-green" : "dg-text-red"}`}
               >
                 {ldapTestResult}
               </span>
diff --git a/frontend/src/components/system/useLdapManagement.ts b/frontend/src/components/system/useLdapManagement.ts
index fd47b09..3ab71be 100644
--- a/frontend/src/components/system/useLdapManagement.ts
+++ b/frontend/src/components/system/useLdapManagement.ts
@@ -38,6 +38,7 @@ export function useLdapManagement(onUsersChanged: () => Promise<void> | void) {
   const [ldapSaving, setLdapSaving] = useState(false);
   const [ldapTesting, setLdapTesting] = useState(false);
   const [ldapTestResult, setLdapTestResult] = useState<string | null>(null);
+  const [ldapTestSuccess, setLdapTestSuccess] = useState(false);
   const [ldapMgmtOpen, setLdapMgmtOpen] = useState(false);
   const [importFeedback, setImportFeedback] = useState<string | null>(null);
   const [importResultOpen, setImportResultOpen] = useState(false);
@@ -101,11 +102,14 @@ export function useLdapManagement(onUsersChanged: () => Promise<void> | void) {
   const handleLdapTest = async () => {
     setLdapTesting(true);
     setLdapTestResult(null);
+    setLdapTestSuccess(false);
     try {
       await ldapApi.updateConfig(ldapForm);
       const res = await ldapApi.testConnection();
+      setLdapTestSuccess(!!res?.success);
       setLdapTestResult(res?.message || (res?.success ? i18n.t('aiops.llmTestSuccess') : i18n.t('aiops.llmTestFailed')));
     } catch (error) {
+      setLdapTestSuccess(false);
       setLdapTestResult(error?.message || i18n.t('aiops.llmTestFailed'));
     } finally {
       setLdapTesting(false);
@@ -293,6 +297,7 @@ export function useLdapManagement(onUsersChanged: () => Promise<void> | void) {
     ldapSaving,
     ldapTesting,
     ldapTestResult,
+    ldapTestSuccess,
     handleLdapSave,
     handleLdapTest,
     ldapMgmtOpen,
diff --git a/frontend/src/components/task/ExecutionHistoryDialog.tsx b/frontend/src/components/task/ExecutionHistoryDialog.tsx
index 36cc015..d3d92b3 100644
--- a/frontend/src/components/task/ExecutionHistoryDialog.tsx
+++ b/frontend/src/components/task/ExecutionHistoryDialog.tsx
@@ -182,7 +182,7 @@ export function ExecutionHistoryDialog({
                               ? 'linear-gradient(to top, #ef4444 0%, #22c55e 100%)'
                               : item.total > 0 ? '#22c55e' : 'var(--dg-border)',
                           }}
-                          title={`${item.label}: 成功 ${item.success} / 失败 ${item.failed}`}
+                          title={t('task.execHistory.successFail', { label: item.label, success: item.success, failed: item.failed })}
                         />
                       </div>
                       <span className="text-[10px] dg-text-muted">{item.label}</span>
diff --git a/frontend/src/locales/en-US.json b/frontend/src/locales/en-US.json
index eac7a28..2fd2a64 100644
--- a/frontend/src/locales/en-US.json
+++ b/frontend/src/locales/en-US.json
@@ -621,7 +621,9 @@
     "currentValue": "current value",
     "memberCount": "{{count}} members",
     "fillIfMultiContainer": "(required for multi-container)",
-    "confirmDeleteType": "Delete {{type}} \"{{name}}\"?"
+    "confirmDeleteType": "Delete {{type}} \"{{name}}\"?",
+    "unitCount": "",
+    "fieldValues": "{{count}} values"
   },
   "menu": {
     "aiAgentCli": "Agent CLI",
@@ -3031,7 +3033,8 @@
       "maxReplicas": "Max Replicas",
       "cpuTarget": "CPU Target (%)",
       "memTarget": "Memory Target (%)",
-      "targetCPU": "Target CPU Utilization"
+      "targetCPU": "Target CPU Utilization",
+      "targetInfo": "Deployment: {{deploy}} · Namespace: {{ns}}"
     },
     "hpaCronHpa": {
       "currentReplicas": "Current replicas:",
@@ -3148,7 +3151,8 @@
       "searchPlaceholder": "Search namespaces...",
       "title": "Namespace Management",
       "quotaLimit": "Quota Limits",
-      "nameExample": "e.g. my-app"
+      "nameExample": "e.g. my-app",
+      "quotaSubtitle": "{{code}} · Resource Quotas & Lifecycle"
     },
     "nsOverview": {
       "workloadReplicas": "Workload replica management",
@@ -3159,7 +3163,8 @@
       "configMaps": "Configuration maps",
       "secrets": "Secrets & credentials",
       "hpaStrategy": "Horizontal autoscaling strategy",
-      "loadingStats": "Loading resource statistics..."
+      "loadingStats": "Loading resource statistics...",
+      "subtitle": "{{code}} · Namespace Overview"
     },
     "nsResource": {
       "deployDesc": "Deployment workload status",
@@ -4370,7 +4375,9 @@
       "siteRequestTimeout": "Request Timeout",
       "siteConnFailed": "Connection Failed",
       "noProbeHint": "No health probes. Click \"{{action}}\" to create one.",
-      "searchFields": "Search fields"
+      "searchFields": "Search fields",
+      "receiveSend": "RX {{rx}} · TX {{tx}}",
+      "currentFDUsage": "Current {{pct}}%"
     },
     "logAlertBell": {
       "linked": "Alert Policy Linked",
@@ -5329,7 +5336,8 @@
       "copied": "Copied to clipboard",
       "recentTrend": "Last 7 days trends and execution logs (latest 100)",
       "noRecords": "No execution records",
-      "last7days": "Last 7 days"
+      "last7days": "Last 7 days",
+      "successFail": "{{label}}: Success {{success}} / Failed {{failed}}"
     },
     "remoteExec": {
       "subtitle": "Batch execute commands / upload files via native SSH",
@@ -7663,7 +7671,11 @@
     "userTitle": "Title",
     "userTitleField": "User Information",
     "users": "Users",
-    "validUntil": "Valid Until"
+    "validUntil": "Valid Until",
+    "liveMonitor": {
+      "exitFullscreen": "Exit Fullscreen",
+      "fullscreen": "Fullscreen"
+    }
   },
   "aiops": {
     "activeCount": "{{count}} active",
@@ -8541,5 +8553,8 @@
     "oneDarkDesc": "Atom warm gray IDE, purple-green syntax",
     "system": "Follow System",
     "tokyoNightDesc": "Tokyo neon deep blue-purple, VS Code popular"
+  },
+  "monitor.hostMonitorPanel": {
+    "unitCount": ""
   }
 }
diff --git a/frontend/src/locales/zh-CN.json b/frontend/src/locales/zh-CN.json
index c1022f9..ac6b68e 100644
--- a/frontend/src/locales/zh-CN.json
+++ b/frontend/src/locales/zh-CN.json
@@ -621,7 +621,9 @@
     "currentValue": "当前值",
     "memberCount": "{{count}} 位成员",
     "fillIfMultiContainer": "(多容器时填写)",
-    "confirmDeleteType": "确认删除 {{type}} \"{{name}}\"？"
+    "confirmDeleteType": "确认删除 {{type}} \"{{name}}\"？",
+    "unitCount": "个",
+    "fieldValues": "{{count}} 个值"
   },
   "menu": {
     "aiAgentCli": "Agent CLI",
@@ -3031,7 +3033,8 @@
       "maxReplicas": "最大副本数",
       "cpuTarget": "CPU 目标 (%)",
       "memTarget": "内存目标 (%)",
-      "targetCPU": "目标 CPU 使用率"
+      "targetCPU": "目标 CPU 使用率",
+      "targetInfo": "Deployment: {{deploy}} · 命名空间: {{ns}}"
     },
     "hpaCronHpa": {
       "currentReplicas": "当前副本:",
@@ -3148,7 +3151,8 @@
       "searchPlaceholder": "搜索命名空间...",
       "title": "命名空间管理",
       "quotaLimit": "配额限制",
-      "nameExample": "例如: my-app"
+      "nameExample": "例如: my-app",
+      "quotaSubtitle": "{{code}} · 资源配额与生命周期管理"
     },
     "nsOverview": {
       "workloadReplicas": "工作负载副本管理",
@@ -3159,7 +3163,8 @@
       "configMaps": "配置字典",
       "secrets": "密钥与凭证",
       "hpaStrategy": "水平自动伸缩策略",
-      "loadingStats": "加载资源统计..."
+      "loadingStats": "加载资源统计...",
+      "subtitle": "{{code}} · 命名空间概览"
     },
     "nsResource": {
       "deployDesc": "Deployment 工作负载运行状态",
@@ -4370,7 +4375,9 @@
       "siteRequestTimeout": "请求超时",
       "siteConnFailed": "连接失败",
       "noProbeHint": "暂无健康探针，点击「{{action}}」创建",
-      "searchFields": "搜索字段"
+      "searchFields": "搜索字段",
+      "receiveSend": "接收 {{rx}} · 发送 {{tx}}",
+      "currentFDUsage": "当前 {{pct}}%"
     },
     "logAlertBell": {
       "linked": "已关联告警策略",
@@ -5329,7 +5336,8 @@
       "copied": "已复制到剪贴板",
       "recentTrend": "近 7 天趋势与执行日志（最近 100 条）",
       "noRecords": "暂无执行记录",
-      "last7days": "最近 7 天"
+      "last7days": "最近 7 天",
+      "successFail": "{{label}}: 成功 {{success}} / 失败 {{failed}}"
     },
     "remoteExec": {
       "subtitle": "关联主机后批量执行命令 / 上传文件（Go-native SSH）",
@@ -7663,7 +7671,11 @@
     "userTitle": "职位",
     "userTitleField": "用户信息",
     "users": "用户管理",
-    "validUntil": "有效至"
+    "validUntil": "有效至",
+    "liveMonitor": {
+      "exitFullscreen": "退出全屏",
+      "fullscreen": "全屏"
+    }
   },
   "aiops": {
     "activeCount": "{{count}} 个活跃",
@@ -8541,5 +8553,8 @@
     "oneDarkDesc": "Atom 暖灰 IDE，紫绿语法渐变",
     "system": "跟随系统",
     "tokyoNightDesc": "东京霓虹深蓝紫，VS Code 热门"
+  },
+  "monitor.hostMonitorPanel": {
+    "unitCount": "个"
   }
 }
diff --git a/frontend/src/pages/monitor/host-monitor/DualLineChart.tsx b/frontend/src/pages/monitor/host-monitor/DualLineChart.tsx
index ee9bf6a..f549cfd 100644
--- a/frontend/src/pages/monitor/host-monitor/DualLineChart.tsx
+++ b/frontend/src/pages/monitor/host-monitor/DualLineChart.tsx
@@ -68,7 +68,7 @@ export function DualLineChart({
           unit={unit}
           chartId={`dual-${title.replace(/\s/g, '')}`}
           title={title}
-          subtitle={`接收 ${currentRx} · 发送 ${currentTx}`}
+          subtitle={i18n.t('monitor.lbl.receiveSend', { rx: currentRx, tx: currentTx })}
           height={208}
           toolbarPlacement="header"
           onZoomedChange={setZoomed}
diff --git a/frontend/src/pages/monitor/host-monitor/tabs/FDUsageCard.tsx b/frontend/src/pages/monitor/host-monitor/tabs/FDUsageCard.tsx
index ae1efb4..eed2fcf 100644
--- a/frontend/src/pages/monitor/host-monitor/tabs/FDUsageCard.tsx
+++ b/frontend/src/pages/monitor/host-monitor/tabs/FDUsageCard.tsx
@@ -63,7 +63,7 @@ export function FDUsageCard({ fdInfo, fdMetrics, aggType, fdChartRef, fdChartZoo
                 unit="%"
                 chartId="fd-usage"
                 title={t('monitor.lbl.nicBandwidth')}
-                subtitle={fdInfo?.usage_pct != null ? `当前 ${fdInfo.usage_pct.toFixed(1)}%` : undefined}
+                subtitle={fdInfo?.usage_pct != null ? t('monitor.lbl.currentFDUsage', { pct: fdInfo.usage_pct.toFixed(1) }) : undefined}
                 height={160}
                 toolbarPlacement="header"
                 onZoomedChange={setFdChartZoomed}
diff --git a/frontend/src/pages/monitor/host-monitor/tabs/NetworkTab.tsx b/frontend/src/pages/monitor/host-monitor/tabs/NetworkTab.tsx
index 60c3d79..8019cb5 100644
--- a/frontend/src/pages/monitor/host-monitor/tabs/NetworkTab.tsx
+++ b/frontend/src/pages/monitor/host-monitor/tabs/NetworkTab.tsx
@@ -28,11 +28,11 @@ export function NetworkTab({ metrics, netInfo, currentVal, aggType }: NetworkTab
         <MetricChartCard title="TCP EST" value={currentVal('tcp')} icon={<Network />} iconTone="purple"
           data={metrics.tcpEst} color="#8b5cf6" unit={t('monitor.hostMonitorPanel.portUnit')} domain={[0, 'auto']} aggType={aggType} />
         <MetricChartCard title="TCP TIME_WAIT" value={currentVal('tw')} icon={<Clock />} iconTone="yellow"
-          data={metrics.tcpTW} color="#f59e0b" unit="个" domain={[0, 'auto']} aggType={aggType} />
+          data={metrics.tcpTW} color="#f59e0b" unit={t('common.unitCount')} domain={[0, 'auto']} aggType={aggType} />
         <MetricChartCard title="TCP CLOSE_WAIT" value={netInfo?.tcp_close_wait != null ? String(netInfo.tcp_close_wait) : '--'} icon={<Clock />} iconTone="red"
-          data={metrics.tcpCW} color="#ef4444" unit="个" domain={[0, 'auto']} aggType={aggType} />
+          data={metrics.tcpCW} color="#ef4444" unit={t('common.unitCount')} domain={[0, 'auto']} aggType={aggType} />
         <MetricChartCard title={t('monitor.lbl.memUsage')} value={connTotal} icon={<Network />} iconTone="cyan"
-          data={metrics.connTotal} color="#22d3ee" unit="个" domain={[0, 'auto']} aggType={aggType} />
+          data={metrics.connTotal} color="#22d3ee" unit={t('common.unitCount')} domain={[0, 'auto']} aggType={aggType} />
       </div>
       <DualLineChart
         title={t('monitor.lbl.hostMonitor')}
@@ -43,9 +43,9 @@ export function NetworkTab({ metrics, netInfo, currentVal, aggType }: NetworkTab
       />
       <div className="grid grid-cols-1 md:grid-cols-2 gap-3 mt-3">
         <MetricChartCard title={t('monitor.lbl.nicRxErrors')} value={netInfo?.net_rx_errors != null ? String(netInfo.net_rx_errors) : '--'} icon={<XCircle />} iconTone="red"
-          data={metrics.rxErr} color="#ef4444" unit="个" domain={[0, 'auto']} aggType={aggType} />
+          data={metrics.rxErr} color="#ef4444" unit={t('common.unitCount')} domain={[0, 'auto']} aggType={aggType} />
         <MetricChartCard title={t('monitor.lbl.nicTxErrors')} value={netInfo?.net_tx_errors != null ? String(netInfo.net_tx_errors) : '--'} icon={<XCircle />} iconTone="orange"
-          data={metrics.txErr} color="#f97316" unit="个" domain={[0, 'auto']} aggType={aggType} />
+          data={metrics.txErr} color="#f97316" unit={t('common.unitCount')} domain={[0, 'auto']} aggType={aggType} />
       </div>
     </div>
   );