diff --git a/coc-settings.json b/coc-settings.json
index 42bc8ef..0265b84 100644
--- a/coc-settings.json
+++ b/coc-settings.json
@@ -4,5 +4,6 @@
   "explorer.toggle": true,
   "markdown-preview-enhanced.previewTheme":"github-dark.css",
   "markdown-preview-enhanced.latexEngine": "pdflatex",
-  "leetcode.language": "cpp"
+  "leetcode.language": "cpp",
+  "outline.togglePreviewKey": "<c-q>"
 }
diff --git a/lua/Plugin/coc.lua b/lua/Plugin/coc.lua
index 391cce6..0a04591 100644
--- a/lua/Plugin/coc.lua
+++ b/lua/Plugin/coc.lua
@@ -1,11 +1,11 @@
 vim.g['coc_global_extensions'] = {
+  "coc-clangd",
   "coc-python",
   "coc-json",
   "coc-lua",
   "coc-markdown-preview-enhanced",
   "coc-webview",
 
-  "coc-leetcode",
   "coc-translator",
   "coc-yank",
   "coc-pairs",