From d205d5b139f9401f26446c6b43cf56cc5449a9d8 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Thu, 16 Feb 2023 17:09:29 +0800
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---
 .../CameraControlButton/CameraState/CameraSetting.tsx          | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/UI/Components/CameraControlButton/CameraState/CameraSetting.tsx b/src/UI/Components/CameraControlButton/CameraState/CameraSetting.tsx
index bc51f3609..06cb241f5 100644
--- a/src/UI/Components/CameraControlButton/CameraState/CameraSetting.tsx
+++ b/src/UI/Components/CameraControlButton/CameraState/CameraSetting.tsx
@@ -14,7 +14,10 @@ export default class CameraSetting extends Component
     AlterCameraVision = (deg: number): void =>
     {
         this.CameraSettingStore.cameraFov = deg;
+        let a1 = (Math.tan(MathUtils.degToRad(app.Viewer.CameraControl.Fov) / 2));
         app.Viewer.CameraControl.Fov = deg;
+        let a2 = (Math.tan(MathUtils.degToRad(app.Viewer.CameraControl.Fov) / 2));
+        app.Viewer.CameraControl.ViewHeight *= a2 / a1;
         app.Editor.UpdateScreen();
     };
     render()