修改节点的宽度固定，并可以在projectsettings中进行设置

ProjectFish/Plugins/Dialogue/Source/Dialogue/Public/DialogueSettings.h

@@ -13,4 +13,8 @@ UCLASS(Config = Dialogue, DefaultConfig)
 class DIALOGUE_API UDialogueSettings : public UObject
 {
 	GENERATED_BODY()
+	
+public:
+	UPROPERTY(Config, EditAnywhere, Category = "Dialogue")
+	float DialogueWidth = 125.f;
 };

ProjectFish/Plugins/Dialogue/Source/DialogueEditor/Private/Widget/DialogueGraphNode.cpp

@@ -3,6 +3,8 @@
 
 #include "Widget/DialogueGraphNode.h"
 
+#include "DialogueSettings.h"
+
 
 void SDialogueGraphNode::Construct(const FArguments& InArgs, UDialogueGraphNode_Base* InNode)
 {
@@ -54,10 +56,13 @@ TSharedRef<SWidget> SDialogueGraphNode::CreateNodeContentArea()
 				// 	.Text(this, &SDialogueGraphNode::GetDialogueText)
 				// 	.WrapTextAt(250.0f)
 				// ]
+				
 				SAssignNew(DialogueText, STextBlock)
 					.AutoWrapText(true)
+					.MinDesiredWidth(GetDefault<UDialogueSettings>()->DialogueWidth)
+					.Justification(ETextJustify::Center)
 					.Text(this, &SDialogueGraphNode::GetDialogueText)
-					.WrapTextAt(250.0f)
+					.WrapTextAt(GetDefault<UDialogueSettings>()->DialogueWidth)
 			]
 			+SVerticalBox::Slot()
 			.FillHeight(1.0f)