diff --git a/software/web/src/pages/devices/index.tsx b/software/web/src/pages/devices/index.tsx
index 4e728a2..6a34c98 100644
--- a/software/web/src/pages/devices/index.tsx
+++ b/software/web/src/pages/devices/index.tsx
@@ -317,7 +317,7 @@ export default function Devices() {
   ];
 
   return (
-    <div style={{ display: 'flex', gap: 16, height: '100%', overflow: 'hidden' }}>
+    <div style={{ display: 'flex', gap: 16, height: '100%', width: '100%', overflow: 'hidden' }}>
       {/* 左列：组织架构树 */}
       <div style={{ width: 300, flexShrink: 0, background: 'var(--color-bg-2)', borderRadius: 8, padding: 16, overflow: 'auto' }}>
         <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 12 }}>