diff --git a/Wiki/MarkdownRenderer.cs b/Wiki/MarkdownRenderer.cs
index 06814fb..6b20aa0 100644
--- a/Wiki/MarkdownRenderer.cs
+++ b/Wiki/MarkdownRenderer.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Avalonia.Controls;
 using Avalonia.Media;
@@ -12,118 +13,128 @@ public static class MarkdownRenderer
 {
     public static Control Render(string markdown)
     {
-        var panel = new StackPanel { Spacing = 6 };
-        if (string.IsNullOrWhiteSpace(markdown)) return panel;
-
-        var doc = Markdown.Parse(markdown);
-
-        foreach (var block in doc)
+        try
         {
-            switch (block)
+            var panel = new StackPanel { Spacing = 6 };
+            if (string.IsNullOrWhiteSpace(markdown)) return panel;
+    
+            var doc = Markdown.Parse(markdown);
+    
+            foreach (var block in doc)
             {
-                case HeadingBlock hb:
+                switch (block)
                 {
-                    var text = GetInlineText(hb.Inline);
-                    var tb = new TextBlock
+                    case HeadingBlock hb:
                     {
-                        Text = text,
-                        FontWeight = FontWeight.Bold,
-                        Margin = new Avalonia.Thickness(0, hb.Level == 1 ? 6 : 2, 0, 2)
-                    };
-                    tb.FontSize = hb.Level switch { 1 => 22, 2 => 18, 3 => 16, _ => 14 };
-                    panel.Children.Add(tb);
-                    break;
-                }
-
-                case ParagraphBlock pb:
-                {
-                    var text = GetInlineText(pb.Inline);
-                    var tb = new TextBlock { Text = text, TextWrapping = Avalonia.Media.TextWrapping.Wrap };
-                    panel.Children.Add(tb);
-                    break;
-                }
-
-                case FencedCodeBlock cb:
-                {
-                    var sb = new StringBuilder();
-                    foreach (var line in cb.Lines.Lines)
-                    {
-                        sb.Append(line.ToString());
-                    }
-                    var codeBox = new TextBox
-                    {
-                        Text = sb.ToString(),
-                        FontFamily = "Consolas, monospace",
-                        IsReadOnly = true,
-                        AcceptsReturn = true
-                    };
-                    panel.Children.Add(codeBox);
-                    break;
-                }
-
-                case ListBlock lb:
-                {
-                    var sp = new StackPanel { Spacing = 2 };
-                    var number = 1;
-                    foreach (var item in lb)
-                    {
-                        if (item is ListItemBlock lib)
+                        var text = GetInlineText(hb.Inline);
+                        var tb = new TextBlock
                         {
-                            var itemText = new StringBuilder();
-                            foreach (var sub in lib)
-                            {
-                                if (sub is ParagraphBlock pp)
-                                    itemText.Append(GetInlineText(pp.Inline));
-                            }
-                            var tb = new TextBlock { Text = (lb.IsOrdered ? (number++ + ". ") : "• ") + itemText.ToString() };
-                            sp.Children.Add(tb);
-                        }
+                            Text = text,
+                            FontWeight = FontWeight.Bold,
+                            Margin = new Avalonia.Thickness(0, hb.Level == 1 ? 6 : 2, 0, 2)
+                        };
+                        tb.FontSize = hb.Level switch { 1 => 22, 2 => 18, 3 => 16, _ => 14 };
+                        panel.Children.Add(tb);
+                        break;
+                    }
+    
+                    case ParagraphBlock pb:
+                    {
+                        var text = GetInlineText(pb.Inline);
+                        var tb = new TextBlock { Text = text, TextWrapping = Avalonia.Media.TextWrapping.Wrap };
+                        panel.Children.Add(tb);
+                        break;
+                    }
+    
+                    case FencedCodeBlock cb:
+                    {
+                        var sb = new StringBuilder();
+                        foreach (var line in cb.Lines.Lines)
+                        {
+                            sb.Append(line.ToString());
+                        }
+                        var codeBox = new TextBox
+                        {
+                            Text = sb.ToString(),
+                            FontFamily = "Consolas, monospace",
+                            IsReadOnly = true,
+                            AcceptsReturn = true
+                        };
+                        panel.Children.Add(codeBox);
+                        break;
+                    }
+    
+                    case ListBlock lb:
+                    {
+                        var sp = new StackPanel { Spacing = 2 };
+                        var number = 1;
+                        foreach (var item in lb)
+                        {
+                            if (item is ListItemBlock lib)
+                            {
+                                var itemText = new StringBuilder();
+                                foreach (var sub in lib)
+                                {
+                                    if (sub is ParagraphBlock pp)
+                                        itemText.Append(GetInlineText(pp.Inline));
+                                }
+                                var tb = new TextBlock { Text = (lb.IsOrdered ? (number++ + ". ") : "• ") + itemText.ToString() };
+                                sp.Children.Add(tb);
+                            }
+                        }
+                        panel.Children.Add(sp);
+                        break;
+                    }
+    
+                    default:
+                    {
+                        // fallback: raw text
+                        panel.Children.Add(new TextBlock { Text = block.ToString() });
+                        break;
                     }
-                    panel.Children.Add(sp);
-                    break;
-                }
-
-                default:
-                {
-                    // fallback: raw text
-                    panel.Children.Add(new TextBlock { Text = block.ToString() });
-                    break;
                 }
             }
-        }
+    
+            return panel;
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
 
-        return panel;
+        return new Panel();
     }
 
     private static string GetInlineText(ContainerInline? container)
     {
-        if (container == null) return string.Empty;
-        var sb = new StringBuilder();
-        foreach (var inline in container)
+        try
         {
-            switch (inline)
+            if (container == null) return string.Empty;
+            var sb = new StringBuilder();
+            foreach (var inline in container)
             {
-                case LiteralInline li:
-                    sb.Append(li.Content.ToString());
-                    break;
-                case EmphasisInline ei:
-                    sb.Append(GetInlineText(ei));
-                    break;
-                case CodeInline ci:
-                    sb.Append(ci.Content);
-                    break;
-                case LinkInline li:
-                    sb.Append(GetInlineText(li));
-                    break;
-                case LineBreakInline:
-                    sb.Append("\n");
-                    break;
-                default:
-                    sb.Append(inline.ToString());
-                    break;
+                switch (inline)
+                {
+                    case LiteralInline li:
+                        sb.Append(li.Content.ToString());
+                        break;
+                    case EmphasisInline ei:
+                        sb.Append(GetInlineText(ei));
+                        break;
+                    case CodeInline ci:
+                        sb.Append(ci.Content);
+                        break;
+                    case LinkInline li:
+                        sb.Append(GetInlineText(li));
+                        break;
+                    case LineBreakInline:
+                        sb.Append("\n");
+                        break;
+                    default:
+                        sb.Append(inline.ToString());
+                        break;
+                }
             }
-        }
 
-        return sb.ToString();
+            return sb.ToString();
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+
+        return null;
     }
 }