diff --git a/examples/text/ernie-3.0/cpp/seq_cls_infer.cc b/examples/text/ernie-3.0/cpp/seq_cls_infer.cc
index 6ec738b07..87848ce59 100755
--- a/examples/text/ernie-3.0/cpp/seq_cls_infer.cc
+++ b/examples/text/ernie-3.0/cpp/seq_cls_infer.cc
@@ -63,6 +63,7 @@ bool CreateRuntimeOption(fastdeploy::RuntimeOption* option) {
 
   if (FLAGS_device == "kunlunxin") {
     option->UseKunlunXin();
+    option->UsePaddleLiteBackend();
     return true;
   } else if (FLAGS_device == "gpu") {
     option->UseGpu();
diff --git a/fastdeploy/function/transpose.h b/fastdeploy/function/transpose.h
index 9bae6e66c..ffbd175de 100644
--- a/fastdeploy/function/transpose.h
+++ b/fastdeploy/function/transpose.h
@@ -17,6 +17,10 @@
 #include "fastdeploy/core/fd_tensor.h"
 
 namespace fastdeploy {
+
+/** \brief All C++ FDTensor Operation APIs are defined inside this namespace
+ *
+ */
 namespace function {
 /** Excute the transpose operation for input FDTensor along given dims.
     @param x The input tensor.