diff --git a/src/panels/ICHelperPanel.ts b/src/panels/ICHelperPanel.ts
index 0a45b08..8d36194 100644
--- a/src/panels/ICHelperPanel.ts
+++ b/src/panels/ICHelperPanel.ts
@@ -175,12 +175,10 @@ export async function showICHelperPanel(
           vscode.window.showInformationMessage(message.text);
           break;
         case "openWaveformViewer":
-          // 打开波形查看器
+          // 打开波形查看器 - 使用 vscode.open 触发自定义编辑器
           if (message.vcdFilePath) {
-            VCDViewerPanel.createOrShow(
-              context.extensionUri,
-              message.vcdFilePath
-            );
+            const vcdUri = vscode.Uri.file(message.vcdFilePath);
+            vscode.commands.executeCommand('vscode.open', vcdUri);
           }
           break;
         case "getVCDInfo":