diff --git a/codec/console/enc/src/welsenc.cpp b/codec/console/enc/src/welsenc.cpp
index 0b90d222..26a310c2 100644
--- a/codec/console/enc/src/welsenc.cpp
+++ b/codec/console/enc/src/welsenc.cpp
@@ -384,7 +384,7 @@ void PrintHelp() {
 
 int ParseCommandLine (int argc, char** argv, SSourcePicture* pSrcPic, SEncParamExt& pSvcParam, SFilesSet& sFileSet) {
   char* pCommand = NULL;
-  SLayerPEncCtx sLayerCtx[3];
+  SLayerPEncCtx sLayerCtx[MAX_SPATIAL_LAYER_NUM];
   int n = 0;
   string str_ ("SlicesAssign");
 
diff --git a/codec/encoder/core/src/encoder_ext.cpp b/codec/encoder/core/src/encoder_ext.cpp
index b3597690..2cd7bbb7 100644
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -356,7 +356,7 @@ int32_t ParamValidationExt (SLogContext* pLogCtx, SWelsSvcCodingParam* pCodingPa
         return ENC_RETURN_UNSUPPORTED_PARA;
       }
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum == 1) {
-        WelsLog (pLogCtx, WELS_LOG_ERROR,
+        WelsLog (pLogCtx, WELS_LOG_WARNING,
                  "ParamValidationExt(), pSlice setting for SM_RASTER_SLICE now turn to SM_SINGLE_SLICE!");
         pSpatialLayer->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
         break;