diff --git a/iterm2/com.googlecode.iterm2.plist b/iterm2/com.googlecode.iterm2.plist
index 8f8d12d..f77ccff 100644
--- a/iterm2/com.googlecode.iterm2.plist
+++ b/iterm2/com.googlecode.iterm2.plist
@@ -18,7 +18,7 @@
 			<key>ASCII Anti Aliased</key>
 			<true/>
 			<key>ASCII Ligatures</key>
-			<false/>
+			<true/>
 			<key>Ambiguous Double Width</key>
 			<false/>
 			<key>Ansi 0 Color</key>
@@ -1265,11 +1265,11 @@
 			<key>Name</key>
 			<string>Default</string>
 			<key>Non Ascii Font</key>
-			<string>FiraCodeNFM-Reg 22</string>
+			<string>Sarasa-Fixed-SC-Nerd-Font-Regular 16</string>
 			<key>Non-ASCII Anti Aliased</key>
 			<true/>
 			<key>Normal Font</key>
-			<string>FiraCode-Regular 16</string>
+			<string>FiraCode-Regular 15</string>
 			<key>Option Key Sends</key>
 			<integer>0</integer>
 			<key>Prompt Before Closing 2</key>
diff --git a/script/firacode-install.py b/script/firacode-install.py
index 1710bbd..54acec1 100644
--- a/script/firacode-install.py
+++ b/script/firacode-install.py
@@ -76,7 +76,7 @@ def refresh_font_cache() -> None:
 
 def main() -> None:
     fonts: Dict[str, str] = {
-        "FiraCodeNerd": "https://github.com/ryanoasis/nerd-fonts/releases/download/v3.2.1/FiraCode.zip",
+        "SarasaNerd":"https://github.com/jonz94/Sarasa-Gothic-Nerd-Fonts/releases/download/v1.0.23-0/sarasa-fixed-sc-nerd-font.zip",
         "FiraCode": "https://github.com/tonsky/FiraCode/releases/download/6.2/Fira_Code_v6.2.zip"   
     }
 
@@ -94,7 +94,7 @@ def main() -> None:
         download_file(fonts[font], zip_path)
         unzip_file(zip_path, font)
         install_font(font, font_dir)
-        # os.remove(zip_path)
+        os.remove(zip_path)
 
     refresh_font_cache()
     print("安装完成。请重启您的终端或应用程序以使用新字体。")