diff --git a/src/components/layout/AgentMonitor.tsx b/src/components/layout/AgentMonitor.tsx
index d228ca8..e2b3e1a 100644
--- a/src/components/layout/AgentMonitor.tsx
+++ b/src/components/layout/AgentMonitor.tsx
@@ -1,9 +1,11 @@
 /**
  * AgentMonitor — Agent 状态指示器
+ *
+ * 完全使用 MUI 组件，Table 布局标签-值对。
  */
 
-import { Box, Typography, Stack } from '@mui/material';
-import { Activity, Cpu, Clock } from 'lucide-react';
+import { Box, Typography, Stack, Table, TableBody, TableRow, TableCell, Chip } from '@mui/material';
+import { Activity, Cpu } from 'lucide-react';
 import { useEffect } from 'react';
 import { useAgentStore, type AgentStatus } from '@renderer/stores/agent-store';
 import { AGENT_STATUS_COLORS, AGENT_STATUS_LABELS, PROVIDER_LABELS } from '@renderer/lib/constants';
@@ -20,7 +22,6 @@ export function AgentMonitor(): React.JSX.Element {
   const traceSteps = useAgentStore((s) => s.traceSteps);
   const setMaxIterations = useAgentStore((s) => s.setMaxIterations);
 
-  // 启动时从数据库读取 maxIterations
   useEffect(() => {
     if (window.metona?.config?.get) {
       window.metona.config.get('agent.maxIterations').then((v) => {
@@ -29,47 +30,68 @@ export function AgentMonitor(): React.JSX.Element {
     }
   }, [setMaxIterations]);
 
-  // 监听配置变更
-  useEffect(() => {
-    const interval = setInterval(() => {
-      if (window.metona?.config?.get) {
-        window.metona.config.get('agent.maxIterations').then((v) => {
-          if (typeof v === 'number' && v > 0) setMaxIterations(v);
-        }).catch(() => {});
-      }
-    }, 3000);
-    return () => clearInterval(interval);
-  }, [setMaxIterations]);
   const StatusIcon = STATUS_ICONS[agentStatus];
   const statusColor = AGENT_STATUS_COLORS[agentStatus];
   const statusLabel = AGENT_STATUS_LABELS[agentStatus];
   const totalDuration = traceSteps.reduce((sum, s) => sum + (s.completedAt ? s.completedAt - s.startedAt : 0), 0);
 
-  const InfoRow = ({ icon: Icon, label, value }: { icon: typeof Activity; label: string; value: string }) => (
-    <Stack direction="row" alignItems="center" sx={{ gap: 1 }}>
-      <Stack direction="row" spacing={0.75} alignItems="center" sx={{ color: 'text.secondary', flexShrink: 0, minWidth: 60 }}>
-        <Icon size={10} /><Typography variant="caption">{label}</Typography>
-      </Stack>
-      <Typography variant="caption" sx={{ fontFamily: 'monospace', color: 'text.primary', flex: 1, textAlign: 'right', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{value}</Typography>
-    </Stack>
-  );
-
   return (
     <Box sx={{ mt: 2, pt: 2, borderTop: 1, borderColor: 'divider', flexShrink: 0 }}>
       <Stack direction="row" spacing={1} alignItems="center" sx={{ mb: 1.5 }}>
         <Cpu size={14} style={{ color: '#818cf8' }} />
-        <Typography variant="caption" sx={{ fontWeight: 600, textTransform: 'uppercase', letterSpacing: 1, color: 'text.secondary' }}>Agent 状态</Typography>
-      </Stack>
-      <Stack direction="row" spacing={1} alignItems="center" sx={{ px: 1.5, py: 1, borderRadius: 1.5, mb: 1, bgcolor: 'background.default' }}>
-        <StatusIcon size={14} style={{ color: statusColor, animation: (agentStatus === 'thinking' || agentStatus === 'executing') ? 'pulse 2s infinite' : 'none' }} />
-        <Typography variant="caption" sx={{ fontWeight: 500, color: statusColor }}>{statusLabel}</Typography>
-      </Stack>
-      <Stack spacing={0.75}>
-        <InfoRow icon={Activity} label="Provider" value={PROVIDER_LABELS[provider] ?? provider} />
-        <InfoRow icon={Cpu} label="模型" value={model} />
-        <InfoRow icon={Activity} label="迭代" value={`${currentIteration} / ${maxIterations}`} />
-        {totalDuration > 0 && <InfoRow icon={Clock} label="总耗时" value={formatDuration(totalDuration)} />}
+        <Typography variant="caption" sx={{ fontWeight: 600, textTransform: 'uppercase', letterSpacing: 1, color: 'text.secondary' }}>
+          Agent 状态
+        </Typography>
       </Stack>
+
+      {/* 状态指示 */}
+      <Box sx={{ px: 1.5, py: 1, borderRadius: 1.5, mb: 1.5, bgcolor: 'background.default', border: '1px solid', borderColor: 'divider' }}>
+        <Stack direction="row" spacing={1} alignItems="center">
+          <StatusIcon
+            size={14}
+            style={{
+              color: statusColor,
+              animation: (agentStatus === 'thinking' || agentStatus === 'executing') ? 'pulse 2s infinite' : 'none',
+            }}
+          />
+          <Typography variant="caption" sx={{ fontWeight: 500, color: statusColor }}>{statusLabel}</Typography>
+          {(agentStatus === 'thinking' || agentStatus === 'executing') && (
+            <Box sx={{ width: 6, height: 6, borderRadius: '50%', bgcolor: statusColor, animation: 'pulse 1.5s infinite', ml: 'auto' }} />
+          )}
+        </Stack>
+      </Box>
+
+      {/* 详情表格 */}
+      <Table size="small" sx={{ '& .MuiTableCell-root': { border: 0, py: 0.5, px: 0.5 } }}>
+        <TableBody>
+          <TableRow>
+            <TableCell sx={{ color: 'text.secondary', fontSize: 11, width: '40%' }}>Provider</TableCell>
+            <TableCell sx={{ fontFamily: 'monospace', fontSize: 11, color: 'text.primary', textAlign: 'right', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', maxWidth: 0 }}>
+              {PROVIDER_LABELS[provider] ?? provider}
+            </TableCell>
+          </TableRow>
+          <TableRow>
+            <TableCell sx={{ color: 'text.secondary', fontSize: 11 }}>模型</TableCell>
+            <TableCell sx={{ fontFamily: 'monospace', fontSize: 11, color: 'text.primary', textAlign: 'right', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', maxWidth: 0 }}>
+              {model}
+            </TableCell>
+          </TableRow>
+          <TableRow>
+            <TableCell sx={{ color: 'text.secondary', fontSize: 11 }}>迭代</TableCell>
+            <TableCell sx={{ fontFamily: 'monospace', fontSize: 11, color: 'text.secondary', textAlign: 'right' }}>
+              {currentIteration} / {maxIterations}
+            </TableCell>
+          </TableRow>
+          {totalDuration > 0 && (
+            <TableRow>
+              <TableCell sx={{ color: 'text.secondary', fontSize: 11 }}>总耗时</TableCell>
+              <TableCell sx={{ fontFamily: 'monospace', fontSize: 11, color: 'text.secondary', textAlign: 'right' }}>
+                {formatDuration(totalDuration)}
+              </TableCell>
+            </TableRow>
+          )}
+        </TableBody>
+      </Table>
     </Box>
   );
 }