当因为算子参数输入不合理，或者执行异常，要在状态栏显示

XplorePlane/Services/Pipeline/PipelineExecutionService.cs

@@ -37,11 +37,10 @@ namespace XplorePlane.Services
             if (enabledNodes.Count == 0)
                 return source;
 
-            // 大图像预览缩放
             var current = ScaleForPreview(source);
 
-            int total = enabledNodes.Count;
-            for (int step = 0; step < total; step++)
+            var total = enabledNodes.Count;
+            for (var step = 0; step < total; step++)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
@@ -53,15 +52,14 @@ namespace XplorePlane.Services
 
                 if (invalidParameters.Count > 0)
                 {
+                    var invalidParameterText = string.Join("、", invalidParameters);
                     throw new PipelineExecutionException(
-                        $"算子 '{node.DisplayName}' 存在无效参数：{string.Join("、", invalidParameters)}",
+                        $"算子 '{node.DisplayName}' 存在无效参数：{invalidParameterText}",
                         node.Order,
                         node.OperatorKey);
                 }
 
-                var parameters = node.Parameters
-                    .Where(p => p.IsValueValid)
-                    .ToDictionary(p => p.Name, p => p.Value);
+                var parameters = node.Parameters.ToDictionary(p => p.Name, p => p.Value);
 
                 try
                 {
@@ -69,9 +67,12 @@ namespace XplorePlane.Services
                         current, node.OperatorKey, parameters, null, cancellationToken);
 
                     if (current == null)
+                    {
                         throw new PipelineExecutionException(
-                            $"算子 '{node.OperatorKey}' 返回了空图像",
-                            node.Order, node.OperatorKey);
+                            $"算子 '{node.DisplayName}' 返回了空图像",
+                            node.Order,
+                            node.OperatorKey);
+                    }
                 }
                 catch (OperationCanceledException)
                 {
@@ -85,7 +86,9 @@ namespace XplorePlane.Services
                 {
                     throw new PipelineExecutionException(
                         $"算子 '{node.DisplayName}' 执行失败：{ex.Message}",
-                        node.Order, node.OperatorKey, ex);
+                        node.Order,
+                        node.OperatorKey,
+                        ex);
                 }
 
                 progress?.Report(new PipelineProgress(step + 1, total, node.DisplayName));
@@ -102,7 +105,7 @@ namespace XplorePlane.Services
             if (source.PixelWidth <= UhdThreshold && source.PixelHeight <= UhdThreshold)
                 return source;
 
-            double scale = (double)PreviewMaxHeight / source.PixelHeight;
+            var scale = (double)PreviewMaxHeight / source.PixelHeight;
             if (source.PixelWidth * scale > UhdThreshold)
                 scale = (double)UhdThreshold / source.PixelWidth;