diff --git a/knotfiles/constraints.nu b/knotfiles/constraints.nu
index e3ba879..0740db3 100644
--- a/knotfiles/constraints.nu
+++ b/knotfiles/constraints.nu
@@ -21,15 +21,23 @@ module os {
     }
 }
 
+export use os
+
 # 图形界面约束
 export def gui [] {
     use pkg.nu
 
-    pkg check_install? libxrandr
+    if (os linux) {
+        # Linux 暂时只考虑 X11
+        pkg check_install? libxrandr
+    } else if (os darwin) {
+        # MacOS 都是图形界面
+        true
+    } else {
+        false
+    }
 }
 
-export use os
-
 # 获得默认的约束
 export def default_constraints [] {
     {