diff --git a/fish/config.fish b/fish/config.fish
index 5b311f3..31396bc 100644
--- a/fish/config.fish
+++ b/fish/config.fish
@@ -199,3 +199,6 @@ end
 # Added by OrbStack: command-line tools and integration
 # This won't be added again if you remove it.
 source ~/.orbstack/shell/init2.fish 2>/dev/null || :
+
+# mise (formerly rtx)
+mise activate fish | source
diff --git a/script/mise-install.sh b/script/mise-install.sh
new file mode 100755
index 0000000..2cac49a
--- /dev/null
+++ b/script/mise-install.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+
+# 设置颜色
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# 检查是否已安装 mise
+if ! command -v mise &> /dev/null
+then
+    echo -e "${YELLOW}mise 未安装. 正在安装 mise...${NC}"
+    # 安装 mise（官方安装脚本会自动配置 shell）
+    curl https://mise.run | sh
+    
+    # 重新加载当前 shell 环境
+    export PATH="$HOME/.local/bin:$PATH"
+    
+    # 如果安装脚本没有自动配置，手动配置 fish shell（如果存在）
+    if [ -f ~/.config/fish/config.fish ]; then
+        if ! grep -q "mise activate" ~/.config/fish/config.fish; then
+            echo -e "${YELLOW}正在为 fish shell 配置 mise...${NC}"
+            echo '' >> ~/.config/fish/config.fish
+            echo '# mise (formerly rtx)' >> ~/.config/fish/config.fish
+            echo 'mise activate fish | source' >> ~/.config/fish/config.fish
+            echo -e "${GREEN}已将 mise 添加到 ~/.config/fish/config.fish${NC}"
+        fi
+    fi
+    
+    echo -e "${GREEN}mise 安装完成${NC}"
+else
+    echo -e "${GREEN}mise 已安装${NC}"
+    mise --version
+fi
+
+# 验证安装
+if command -v mise &> /dev/null
+then
+    echo -e "${GREEN}mise 安装成功!${NC}"
+    echo -e "${YELLOW}提示: 如果 mise 命令不可用，请重新打开终端或运行:${NC}"
+    echo -e "${GREEN}export PATH=\"\$HOME/.local/bin:\$PATH\"${NC}"
+    echo -e "${YELLOW}或者重新加载 shell 配置文件${NC}"
+else
+    echo -e "${RED}mise 安装失败，请检查错误信息${NC}"
+    exit 1
+fi
+