diff --git a/software/web/src/pages/devices/index.tsx b/software/web/src/pages/devices/index.tsx
index 6a34c98..4a22265 100644
--- a/software/web/src/pages/devices/index.tsx
+++ b/software/web/src/pages/devices/index.tsx
@@ -341,8 +341,8 @@ export default function Devices() {
       </div>
 
       {/* 右列：柜子列表 */}
-      <div style={{ flex: 1, minWidth: 0, overflow: 'hidden' }}>
-        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 16 }}>
+      <div style={{ flex: 1, minWidth: 0, display: 'flex', flexDirection: 'column', overflow: 'hidden' }}>
+        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 16, flexShrink: 0 }}>
           <Typography.Title heading={5} style={{ margin: 0 }}>
             设备列表 ({cabinets.length})
           </Typography.Title>
@@ -350,7 +350,7 @@ export default function Devices() {
             添加柜子
           </Button>
         </div>
-        <div style={{ overflow: 'auto', height: 'calc(100% - 50px)' }}>
+        <div style={{ flex: 1, overflow: 'auto' }}>
           <CabinetGrid cabinets={cabinets} loading={loading} />
         </div>
       </div>