diff --git a/lua/lspsaga/finder/init.lua b/lua/lspsaga/finder/init.lua
index d12f6a666..d3edd740d 100644
--- a/lua/lspsaga/finder/init.lua
+++ b/lua/lspsaga/finder/init.lua
@@ -33,10 +33,6 @@ local ns = api.nvim_create_namespace('SagaFinder')
 function fd:init_layout()
   self.callerwinid = api.nvim_get_current_win()
   local win_width = api.nvim_win_get_width(0)
-  if config.finder.right_width > 0.6 then
-    vim.notify('[lspsaga] finder right width must be less than 0.7')
-    config.finder.right_width = 0.5
-  end
   if self.layout == 'dropdown' then
     self.lbufnr, self.lwinid, _, self.rwinid =
       ly:new(self.layout):dropdown(math.floor(vim.o.lines * config.finder.max_height)):done()
diff --git a/lua/lspsaga/init.lua b/lua/lspsaga/init.lua
index f56a14812..5c1f1531b 100644
--- a/lua/lspsaga/init.lua
+++ b/lua/lspsaga/init.lua
@@ -68,7 +68,7 @@ local default_config = {
   finder = {
     max_height = 0.5,
     left_width = 0.3,
-    right_width = 0.5,
+    right_width = 0.7,
     methods = {},
     default = 'ref+imp',
     layout = 'float',
diff --git a/lua/lspsaga/layout/float.lua b/lua/lspsaga/layout/float.lua
index edb4a694b..a978dff71 100644
--- a/lua/lspsaga/layout/float.lua
+++ b/lua/lspsaga/layout/float.lua
@@ -24,6 +24,11 @@ function M.left(height, width, bufnr, title)
     fn.winrestview({ topline = topline + (height + 4 - room) })
   end
 
+  local spaces = vim.o.columns - api.nvim_win_get_width(curwin)
+  if spaces > 0 then
+    float_opt.width = float_opt.width + math.floor(spaces * 0.4)
+  end
+
   return win
     :new_float(float_opt, true)
     :bufopt({
@@ -50,27 +55,37 @@ function M.right(left_winid, opt)
   opt = opt or {}
   local win_conf = api.nvim_win_get_config(left_winid)
   local original = vim.deepcopy(win_conf)
+  local row = win_conf.row[false]
+  local wincol = fn.win_screenpos(win_conf.win)[2]
+  local spaces = vim.o.columns - wincol - api.nvim_win_get_width(win_conf.win)
+  local percent = opt.width or 0.7
+
+  if spaces <= 0 then
+    win_conf.col = win_conf.col[false] - win_conf.width - 1
+    win_conf.width = math.floor((vim.o.columns - wincol) * percent)
+  else
+    win_conf.col = win_conf.col[false] + win_conf.width + 2
+    win_conf.width = math.floor(spaces * percent)
+  end
+
   if original.border then
     local map = border_map()
-    original.border[5] = map[ui.border][1]
-    original.border[3] = map[ui.border][2]
+    if spaces <= 0 then
+      original.border[1] = map[ui.border][2]
+      original.border[7] = map[ui.border][1]
+      win_conf.border[4] = ''
+    else
+      original.border[5] = map[ui.border][1]
+      original.border[3] = map[ui.border][2]
+      win_conf.border[8] = ''
+      win_conf.border[7] = ''
+    end
     api.nvim_win_set_config(left_winid, original)
   end
 
-  local col = win_conf.col[false] + win_conf.width + 2
-  local row = win_conf.row[false]
-  local spaces = vim.o.columns - fn.win_screenpos(win_conf.win)[2] - win_conf.width
-  local percent = opt.width or 0.5
-  win_conf.width = math.floor(spaces * percent)
-
   win_conf.row = row
-  win_conf.col = col
   win_conf.title = nil
   win_conf.title_pos = nil
-  if win_conf.border then
-    win_conf.border[8] = ''
-    win_conf.border[7] = ''
-  end
 
   if opt.title then
     win_conf.title = opt.title