diff --git a/src/DotRecast.Recast.Demo/RecastDemo.cs b/src/DotRecast.Recast.Demo/RecastDemo.cs
index 75fad26..c6e1f1a 100644
--- a/src/DotRecast.Recast.Demo/RecastDemo.cs
+++ b/src/DotRecast.Recast.Demo/RecastDemo.cs
@@ -362,7 +362,7 @@ public class RecastDemo
 
         dd.Init(camr);
 
-        ImGuiFontConfig imGuiFontConfig = new(Path.Combine("resources\\fonts", "DroidSans.ttf"), 24, null);
+        ImGuiFontConfig imGuiFontConfig = new(Path.Combine("resources\\fonts", "DroidSans.ttf"), 16, null);
         _imgui = new ImGuiController(_gl, window, _input, imGuiFontConfig);
 
         DemoInputGeomProvider geom = LoadInputMesh(Loader.ToBytes("nav_test.obj"));
diff --git a/src/DotRecast.Recast.Demo/UI/RcLogView.cs b/src/DotRecast.Recast.Demo/UI/RcLogView.cs
index 4b3409b..c66df0d 100644
--- a/src/DotRecast.Recast.Demo/UI/RcLogView.cs
+++ b/src/DotRecast.Recast.Demo/UI/RcLogView.cs
@@ -63,18 +63,23 @@ public class RcLogView : IRcView
 
     public void Draw(double dt)
     {
-        int otherWidth1 = 350;
-        int otherWidth2 = 620;
-        int height = 234;
-        var width = _canvas.Size.X - (otherWidth1 + otherWidth2);
-        //var posX = _canvas.Size.X - width;
-        ImGui.SetNextWindowPos(new Vector2(otherWidth1, _canvas.Size.Y - height));
-        ImGui.SetNextWindowSize(new Vector2(width, height));
-        if (!ImGui.Begin("Log", ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoResize))
+        if (!ImGui.Begin("Log"))
         {
             ImGui.End();
             return;
         }
+        
+        // size reset
+        var size = ImGui.GetItemRectSize();
+        if (32 >= size.X && 32 >= size.Y)
+        {
+            int otherWidth = 310;
+            int height = 234;
+            var width = _canvas.Size.X - (otherWidth * 2);
+            //var posX = _canvas.Size.X - width;
+            // ImGui.SetNextWindowPos(new Vector2(otherWidth1, _canvas.Size.Y - height));
+             ImGui.SetWindowSize(new Vector2(width, height));
+        }
 
 
         if (ImGui.BeginChild("scrolling", Vector2.Zero, false, ImGuiWindowFlags.HorizontalScrollbar))
diff --git a/src/DotRecast.Recast.Demo/UI/RcSettingsView.cs b/src/DotRecast.Recast.Demo/UI/RcSettingsView.cs
index 871390a..125781c 100644
--- a/src/DotRecast.Recast.Demo/UI/RcSettingsView.cs
+++ b/src/DotRecast.Recast.Demo/UI/RcSettingsView.cs
@@ -75,11 +75,17 @@ public class RcSettingsView : IRcView
     {
         var settings = _sample.GetSettings();
 
-        int width = 620;
-        var posX = _canvas.Size.X - width;
-        ImGui.SetNextWindowPos(new Vector2(posX, 0));
-        ImGui.SetNextWindowSize(new Vector2(width, _canvas.Size.Y));
-        ImGui.Begin("Properties", ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoResize);
+        ImGui.Begin("Properties");
+        
+        // size reset
+        var size = ImGui.GetItemRectSize();
+        if (32 >= size.X && 32 >= size.Y)
+        {
+            int width = 310;
+            var posX = _canvas.Size.X - width;
+            //ImGui.SetWindowPos(new Vector2(posX, 0));
+            ImGui.SetWindowSize(new Vector2(width, _canvas.Size.Y));
+        }
 
         _isHovered = ImGui.IsWindowHovered(ImGuiHoveredFlags.RectOnly | ImGuiHoveredFlags.RootAndChildWindows);
 
diff --git a/src/DotRecast.Recast.Demo/UI/RcToolsetView.cs b/src/DotRecast.Recast.Demo/UI/RcToolsetView.cs
index 12f14f4..a8b8341 100644
--- a/src/DotRecast.Recast.Demo/UI/RcToolsetView.cs
+++ b/src/DotRecast.Recast.Demo/UI/RcToolsetView.cs
@@ -55,10 +55,17 @@ public class RcToolsetView : IRcView
 
     public void Draw(double dt)
     {
-        int width = 350;
-        ImGui.SetNextWindowPos(new Vector2(0, 0));
-        ImGui.SetNextWindowSize(new Vector2(width, _canvas.Size.Y));
-        ImGui.Begin("Tools", ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoResize);
+        ImGui.Begin("Tools");
+        
+        // size reset
+        var size = ImGui.GetItemRectSize();
+        if (32 >= size.X && 32 >= size.Y)
+        {
+            int width = 310;
+            //ImGui.SetWindowPos(new Vector2(0, 0));
+            ImGui.SetWindowSize(new Vector2(width, _canvas.Size.Y));
+        }
+        
         _isHovered = ImGui.IsWindowHovered(ImGuiHoveredFlags.RectOnly | ImGuiHoveredFlags.RootAndChildWindows);
 
         for (int i = 0; i < tools.Length; ++i)