diff --git a/zenovis/src/optx/RenderEngineOptx.cpp b/zenovis/src/optx/RenderEngineOptx.cpp
index b6ba4c66c2..e6287db440 100644
--- a/zenovis/src/optx/RenderEngineOptx.cpp
+++ b/zenovis/src/optx/RenderEngineOptx.cpp
@@ -1152,6 +1152,15 @@ struct RenderEngineOptx : RenderEngine, zeno::disable_copy {
                         }
                     }
                 }
+                // add light map
+                for(auto const &[_, ld]: xinxinoptix::get_lightdats()) {
+                    if (ld.profileKey.size()) {
+                        realNeedTexPaths.emplace_back(ld.profileKey);
+                    }
+                    if (ld.textureKey.size()) {
+                        realNeedTexPaths.emplace_back(ld.textureKey);
+                    }
+                }
                 std::vector<std::string> needToRemoveTexPaths;
                 for(auto const &[tex, _]: OptixUtil::g_tex) {
                     if (std::find(realNeedTexPaths.begin(), realNeedTexPaths.end(), tex) != realNeedTexPaths.end()) {
diff --git a/zenovis/xinxinoptix/optixPathTracer.cpp b/zenovis/xinxinoptix/optixPathTracer.cpp
index 4f4ba44181..41f83e5399 100644
--- a/zenovis/xinxinoptix/optixPathTracer.cpp
+++ b/zenovis/xinxinoptix/optixPathTracer.cpp
@@ -2099,6 +2099,11 @@ static std::map<std::string, LightDat> lightdats;
 static std::vector<float2>  triangleLightCoords;
 static std::vector<float3>  triangleLightNormals;
 
+
+std::map<std::string, LightDat> &get_lightdats() {
+    return lightdats;
+}
+
 void unload_light(){
 
     lightdats.clear();
diff --git a/zenovis/xinxinoptix/xinxinoptixapi.h b/zenovis/xinxinoptix/xinxinoptixapi.h
index 826145e270..fd40f09ebd 100644
--- a/zenovis/xinxinoptix/xinxinoptixapi.h
+++ b/zenovis/xinxinoptix/xinxinoptixapi.h
@@ -104,4 +104,5 @@ void using_hdr_sky(bool enable);
 void show_background(bool enable);
 // void optixUpdateUniforms(std::vector<float4> & inConstants);
 void optixUpdateUniforms(void *inConstants, std::size_t size);
+std::map<std::string, LightDat> &get_lightdats();
 }