diff --git a/src/UI/WPF/Views/AliasTreeControl.xaml.cs b/src/UI/WPF/Views/AliasTreeControl.xaml.cs
index 581cc55..54d7a29 100644
--- a/src/UI/WPF/Views/AliasTreeControl.xaml.cs
+++ b/src/UI/WPF/Views/AliasTreeControl.xaml.cs
@@ -145,7 +145,7 @@ namespace NavisworksTransport.UI.WPF.Views
                     _selectionHooked = true;
                 }
             }
-            catch { /* 文档未就绪，跳过 */ }
+            catch (Exception ex) { LogManager.Debug($"[别名树] HookSelection事件异常: {ex.Message}"); }
         }
 
         private void UnhookSelectionEvents()
@@ -158,7 +158,7 @@ namespace NavisworksTransport.UI.WPF.Views
                     doc.CurrentSelection.Changed -= OnNavisSelectionChanged;
                 }
             }
-            catch { }
+            catch (Exception ex) { LogManager.Debug($"[别名树] UnhookSelection异常: {ex.Message}"); }
             _selectionHooked = false;
         }
 
@@ -1042,7 +1042,7 @@ namespace NavisworksTransport.UI.WPF.Views
             {
                 Clipboard.SetText(node.OriginalName);
             }
-            catch { }
+            catch (Exception ex) { LogManager.Debug($"[别名树] Clipboard异常: {ex.Message}"); }
         }
 
         // ============================================================
@@ -1161,7 +1161,7 @@ namespace NavisworksTransport.UI.WPF.Views
                     current = VisualTreeHelper.GetParent(current);
                 }
             }
-            catch { }
+            catch (Exception ex) { LogManager.Warning($"[别名树] FindAncestor异常: {ex.GetType().Name}"); }
             return null;
         }