diff --git a/src/components/layout/StatusBar.tsx b/src/components/layout/StatusBar.tsx
index 5457f3e..6576cf3 100644
--- a/src/components/layout/StatusBar.tsx
+++ b/src/components/layout/StatusBar.tsx
@@ -23,14 +23,14 @@ export function StatusBar(): React.JSX.Element {
       component="footer"
       sx={{
         flexShrink: 0, display: 'flex', alignItems: 'center',
-        px: 1.5, height: 32, bgcolor: 'background.paper',
+        px: 2, height: 36, bgcolor: 'background.paper',
         borderTop: 1, borderColor: 'divider', userSelect: 'none',
       }}
     >
       {/* 左侧：状态信息表格 */}
       <Table size="small" sx={{
         flex: 1, width: 'auto',
-        '& .MuiTableCell-root': { border: 0, py: 0, px: 1, fontSize: 10, whiteSpace: 'nowrap' },
+        '& .MuiTableCell-root': { border: 0, py: 0, px: 1, fontSize: 11, whiteSpace: 'nowrap' },
       }}>
         <TableBody>
           <TableRow>
@@ -38,18 +38,18 @@ export function StatusBar(): React.JSX.Element {
               <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.75 }}>
                 <Box
                   sx={{
-                    width: 7, height: 7, borderRadius: '50%', flexShrink: 0,
+                    width: 8, height: 8, borderRadius: '50%', flexShrink: 0,
                     bgcolor: AGENT_STATUS_COLORS[agentStatus],
                     animation: (agentStatus === 'thinking' || agentStatus === 'executing') ? 'pulse 2s infinite' : 'none',
                   }}
                 />
-                <Typography variant="caption" sx={{ color: 'text.secondary', fontSize: 10, lineHeight: 1 }}>
+                <Typography variant="caption" sx={{ color: 'text.secondary', fontSize: 11, lineHeight: 1 }}>
                   {AGENT_STATUS_LABELS[agentStatus]}
                 </Typography>
               </Box>
             </TableCell>
             <TableCell sx={{ color: 'divider', width: 1, p: 0 }}>|</TableCell>
-            <TableCell sx={{ color: 'text.secondary', fontSize: 10 }}>
+            <TableCell sx={{ color: 'text.secondary', fontSize: 11 }}>
               {PROVIDER_LABELS[provider] ?? provider} {model}
             </TableCell>
             {tokenUsage.totalTokens > 0 && (
@@ -66,10 +66,10 @@ export function StatusBar(): React.JSX.Element {
 
       {/* 右侧：版本 + 设置 */}
       <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5, flexShrink: 0 }}>
-        <Typography variant="caption" sx={{ color: 'text.disabled', fontSize: 9 }}>v0.1.0</Typography>
+        <Typography variant="caption" sx={{ color: 'text.disabled', fontSize: 10 }}>v0.1.0</Typography>
         <Tooltip title="设置 (Ctrl+,)">
-          <IconButton size="small" onClick={openSettings} sx={{ color: 'text.secondary', width: 24, height: 24 }}>
-            <Settings size={12} />
+          <IconButton size="small" onClick={openSettings} sx={{ color: 'text.secondary', width: 28, height: 28 }}>
+            <Settings size={14} />
           </IconButton>
         </Tooltip>
       </Box>
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index a6cdaed..f7a32a3 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -8,7 +8,7 @@
 
 export const LAYOUT = {
   HEADER_HEIGHT: 0, // 已移除顶部栏
-  STATUS_BAR_HEIGHT: 32,
+  STATUS_BAR_HEIGHT: 36,
   SIDEBAR_WIDTH: 260,
   DETAIL_WIDTH: 320,
   CHAT_MAX_WIDTH: 768,