add IME

configuration.nix

@@ -126,6 +126,21 @@
     };
   };
 
+  i18n = {
+    defaultLocale = "C.UTF-8";
+    extraLocaleSettings = {
+      LC_MESSAGES = "en_US.UTF-8";
+      LC_TIME = "C.UTF-8";
+      LC_CTYPE = "zh_CN.UTF-8";
+    };
+    inputMethod = {
+      enabled = "fcitx5";
+      fcitx5.addons = with pkgs; [
+        fcitx5-rime
+        fcitx5-nord
+      ];
+    };
+  };
 
   #programs.hyprland.enable = true;
   services.xserver = {