diff --git a/codec/encoder/core/src/encoder_ext.cpp b/codec/encoder/core/src/encoder_ext.cpp
index c86cd492..b5af64a1 100644
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -2194,8 +2194,6 @@ void FreeMemorySvc (sWelsEncCtx** ppCtx) {
     if (NULL != pCtx->ppDqLayerList && pParam != NULL) {
       while (ilayer < pParam->iSpatialLayerNum) {
         SDqLayer* pDq = pCtx->ppDqLayerList[ilayer];
-        SSpatialLayerConfig* pDlp = &pCtx->pSvcParam->sSpatialLayers[ilayer];
-
         // pDq layers
         if (NULL != pDq) {
           FreeDqLayer (pDq, pMa);
@@ -4896,6 +4894,7 @@ int32_t DynSliceRealloc (sWelsEncCtx* pCtx,
   if (pCtx->iMaxSliceCount < iMaxSliceNum)
     pCtx->iMaxSliceCount = iMaxSliceNum;
   pCurLayer->sSliceEncCtx.iMaxSliceNumConstraint = iMaxSliceNum;
+  pCurLayer->iMaxSliceNum = iMaxSliceNum;
   return ENC_RETURN_SUCCESS;
 }