diff --git a/lua/custom/lspconfig.lua b/lua/custom/lspconfig.lua
index c59a7ce..68834b5 100644
--- a/lua/custom/lspconfig.lua
+++ b/lua/custom/lspconfig.lua
@@ -78,6 +78,7 @@ local on_attach = function(_, bufnr)
     keymap.set("n", "<a-cr>", "<cmd>Lspsaga code_action<CR>", opts)
     -- keymap.set("n", "<leader>d", "<cmd>Telescope diagnostics<CR>", opts)
     keymap.set("n", "<leader>da", "<cmd>Lspsaga show_workspace_diagnostics ++float<CR>", opts)
+    keymap.set("n", "<leader>db", "<cmd>Lspsaga show_buf_diagnostics ++float<CR>", opts)
     keymap.set("n", "<leader>dn", "<cmd>Lspsaga diagnostic_jump_next<CR>")
     keymap.set("n", "<leader>dp", "<cmd>Lspsaga diagnostic_jump_prev<CR>")