diff --git a/dot_config/fish/config.fish b/dot_config/fish/config.fish
index e7cdf22..5836fee 100644
--- a/dot_config/fish/config.fish
+++ b/dot_config/fish/config.fish
@@ -11,13 +11,14 @@ if status is-interactive
         abbr la exa -a
     end
 
-    # cat/cap：优先 bat，Debian/Ubuntu 等可能仅提供 batcat
+    # cat/cap：优先 bat；仅 batcat 时补 bat 缩写（与其它环境一致）
     if type -q bat
         abbr cat bat
         abbr cap bat -p
     else if type -q batcat
         abbr cat batcat
         abbr cap batcat -p
+        abbr bat batcat
     end
     # find：优先 fd；仅存在 fdfind 时（如 Debian/Ubuntu）用其并补 fd 缩写
     if type -q fd