diff --git a/install.sh b/install.sh
index b9cff9c..6fc047d 100755
--- a/install.sh
+++ b/install.sh
@@ -10,8 +10,15 @@ if [ -d "tlbm-mcp" ]; then
     git pull
 else
     echo "📥 克隆仓库..."
-    git clone https://git.atomdancing.com/AtomDancing/tlbm-mcp.git
-    cd tlbm-mcp
+    # 先尝试公开克隆，失败则提示登录
+    if git clone https://git.atomdancing.com/AtomDancing/tlbm-mcp.git 2>/dev/null; then
+        cd tlbm-mcp
+    else
+        echo "⚠️  仓库需要登录，请输入 Gitea 用户名："
+        read -r username
+        git clone "https://${username}@git.atomdancing.com/AtomDancing/tlbm-mcp.git"
+        cd tlbm-mcp
+    fi
 fi
 
 echo "📦 安装依赖..."