diff --git a/ui/zenoedit/viewport/displaywidget.cpp b/ui/zenoedit/viewport/displaywidget.cpp
index 5a01efa4ef..46fcc826e1 100644
--- a/ui/zenoedit/viewport/displaywidget.cpp
+++ b/ui/zenoedit/viewport/displaywidget.cpp
@@ -1383,12 +1383,10 @@ void DisplayWidget::onNodeSelected(const QModelIndex &subgIdx, const QModelIndex
                 Zenovis *pZenovis = m_glView->getZenoVis();
                 ZASSERT_EXIT(pZenovis && pZenovis->getSession());
                 auto scene = pZenovis->getSession()->get_scene();
-                auto _near = scene->camera->m_near;
-                auto _far = scene->camera->m_far;
                 auto fov = scene->camera->m_fov;
                 auto cz = glm::length(scene->camera->m_lodcenter);
                 if (depth != 0) {
-                    cz = scene->camera->m_near / depth;
+                    cz = scene->camera->inf_z_near / depth;
                 }
                 auto w = scene->camera->m_nx;
                 auto h = scene->camera->m_ny;
diff --git a/zenovis/include/zenovis/Camera.h b/zenovis/include/zenovis/Camera.h
index 00126d5de2..c6b1983006 100644
--- a/zenovis/include/zenovis/Camera.h
+++ b/zenovis/include/zenovis/Camera.h
@@ -20,6 +20,7 @@ struct ZOptixCameraSettingInfo {
 };
 
 struct Camera {
+    float inf_z_near = 0.001f;
     int m_nx{512}, m_ny{512};
     glm::mat4x4 m_view{1}, m_proj{1};
 
diff --git a/zenovis/src/Camera.cpp b/zenovis/src/Camera.cpp
index 56a0354de5..232d820946 100644
--- a/zenovis/src/Camera.cpp
+++ b/zenovis/src/Camera.cpp
@@ -82,7 +82,7 @@ void Camera::placeCamera(glm::vec3 pos, glm::vec3 front, glm::vec3 up) {
         m_proj = glm::orthoZO(-radius * getAspect(), radius * getAspect(), -radius,
                 radius, m_far, m_near);
     } else {
-        m_proj = MakeInfReversedZProjRH(glm::radians(m_fov), getAspect(), 0.001);
+        m_proj = MakeInfReversedZProjRH(glm::radians(m_fov), getAspect(), inf_z_near);
     }
 }
 
@@ -107,7 +107,7 @@ void Camera::updateMatrix() {
 void Camera::setResolution(int nx, int ny) {
     m_nx = nx;
     m_ny = ny;
-    m_proj = MakeInfReversedZProjRH(glm::radians(m_fov), getAspect(), m_near);
+    m_proj = MakeInfReversedZProjRH(glm::radians(m_fov), getAspect(), inf_z_near);
 }
 void Camera::setResolutionInfo(bool block, int nx, int ny)
 {