diff --git a/README.md b/README.md
index 44f0a1d..bcd2ef5 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@
 
 ![java-deps](https://javahello.github.io/dev/nvim-lean/images/java-deps.png)
 
-## 使用说明
+## 安装
+
+[English](https://github.com/JavaHello/java-deps.nvim/issues/2)
 
 - lazy.nvim
 
@@ -20,6 +22,57 @@
     end,
   }
 
--- jdtls lsp attach
-require("java-deps").attach(client, buffer, root_dir)
+```
+
+- 手动编译 `vscode-java-dependency`
+
+```sh
+git clone https://github.com/microsoft/vscode-java-dependency.git
+cd vscode-java-dependency
+npm install
+npm run build-server
+```
+
+- 将 `vscode-java-dependency` 编译后的 `jar` 添加到 jdtls_config["init_options"].bundles 中
+
+```lua
+local jdtls_config = {}
+local bundles = {}
+-- ...
+local java_dependency_bundle = vim.split(
+  vim.fn.glob(
+    "/path?/vscode-java-dependency/jdtls.ext/com.microsoft.jdtls.ext.core/target/com.microsoft.jdtls.ext.core-*.jar"
+  ),
+  "\n"
+)
+
+if java_dependency_bundle[1] ~= "" then
+  vim.list_extend(bundles, java_dependency_bundle)
+end
+
+jdtls_config["init_options"] = {
+  bundles = bundles,
+  extendedClientCapabilities = extendedClientCapabilities,
+}
+```
+
+- 添加 attach
+
+```lua
+jdtls_config["on_attach"] = function(client, buffer)
+  require("java-deps").attach(client, buffer)
+  -- 添加命令
+  local create_command = vim.api.nvim_buf_create_user_command
+  create_command(buffer, "JavaProjects", require("java-deps").toggle_outline, {
+    nargs = 0,
+  })
+end
+```
+
+- Usage
+
+```vim
+:lua require('java-deps').toggle_outline()
+:lua require('java-deps').open_outline()
+:lua require('java-deps').close_outline()
 ```