diff --git a/zenovis/xinxinoptix/DeflMatShader.cu b/zenovis/xinxinoptix/DeflMatShader.cu
index abe384de7..4fcabf34a 100644
--- a/zenovis/xinxinoptix/DeflMatShader.cu
+++ b/zenovis/xinxinoptix/DeflMatShader.cu
@@ -658,8 +658,6 @@ extern "C" __global__ void __closesthit__radiance()
         }
         prd->attenuation2 = prd->attenuation;
         prd->passed = true;
-        prd->adepth++;
-        //prd->samplePdf = 0.0f;
         //you shall pass!
         prd->radiance = make_float3(0.0f);
         prd->_tmin_ = optixGetRayTmax();
diff --git a/zenovis/xinxinoptix/Light.cu b/zenovis/xinxinoptix/Light.cu
index bc53d54cc..c908ca096 100644
--- a/zenovis/xinxinoptix/Light.cu
+++ b/zenovis/xinxinoptix/Light.cu
@@ -282,6 +282,8 @@ extern "C" __global__ void __closesthit__radiance()
         // if (scatterPDF > __FLT_DENORM_MIN__) {
         //     prd->radiance /= scatterPDF;
         // }
+        auto tmp = float3{1, 1, 1};
+        prd->updateAttenuation(tmp);
     }
     return;
 }
diff --git a/zenovis/xinxinoptix/PTKernel.cu b/zenovis/xinxinoptix/PTKernel.cu
index 4ee331326..71fdb8054 100644
--- a/zenovis/xinxinoptix/PTKernel.cu
+++ b/zenovis/xinxinoptix/PTKernel.cu
@@ -244,7 +244,7 @@ extern "C" __global__ void __raygen__rg()
 
         RadiancePRD prd;
         prd.pixel_area   = cam.height/(float)(h)/(cam.focal_length);
-        prd.adepth       = 0;
+
         prd.emission     = make_float3(0.f);
         prd.radiance     = make_float3(0.f);
         prd.attenuation  = make_float3(1.f);
@@ -344,11 +344,11 @@ extern "C" __global__ void __raygen__rg()
                 prd.done = true;
             }
 
-            if( prd.done || params.simpleRender==true || prd.adepth>64){
+            if( prd.done || prd.depth>prd.max_depth){
                 break;
             }
 
-            if(prd.depth > prd.max_depth){
+            if(prd.depth > 1){
                 float RRprob = max(max(prd.attenuation.x, prd.attenuation.y), prd.attenuation.z);
                 RRprob = min(RRprob, 0.99f);
                 if(rnd(prd.seed) > RRprob) {
diff --git a/zenovis/xinxinoptix/TraceStuff.h b/zenovis/xinxinoptix/TraceStuff.h
index d1ee36460..25659fa3d 100644
--- a/zenovis/xinxinoptix/TraceStuff.h
+++ b/zenovis/xinxinoptix/TraceStuff.h
@@ -103,7 +103,6 @@ struct RadiancePRD
     int          curMatIdx;
     float        samplePdf;
     bool         fromDiff;
-    unsigned char adepth;
     bool         alphaHit;
     vec3         mask_value;
     vec3         click_pos;