diff --git a/CMakeLists.txt b/CMakeLists.txt
index 332f382da..347bfacb6 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,8 +77,8 @@ option(WITH_TESTING "Whether to compile with unittest." OFF)
 option(WITH_CAPI "Whether to compile with c api." OFF)
 option(WITH_CSHARPAPI "Whether to compile with c# api" OFF)
 
-# Whether to build fastdeploy with vision/text/... examples, only for testings.
 option(BUILD_EXAMPLES "Whether to build fastdeploy with vision examples" OFF)
+option(BUILD_PADDLE2ONNX "Whether to build paddle2onnx from sources" OFF)
 
 ######################### Paths to user's custom libraries directory #####################
 set(CUDA_DIRECTORY "" CACHE PATH "If build tensorrt backend, need to define path of cuda library.")
@@ -425,7 +425,6 @@ if(ENABLE_ENCRYPTION)
 endif()
 
 if(ENABLE_PADDLE2ONNX)
-  set(BUILD_PADDLE2ONNX ON)
   add_definitions(-DENABLE_PADDLE2ONNX)
   if(BUILD_PADDLE2ONNX)
     download_protobuf()
diff --git a/cmake/onnxruntime.cmake b/cmake/onnxruntime.cmake
index b823f734b..0ba70324a 100644
--- a/cmake/onnxruntime.cmake
+++ b/cmake/onnxruntime.cmake
@@ -77,7 +77,12 @@ else()
     if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
       set(ONNXRUNTIME_FILENAME "onnxruntime-linux-aarch64-${ONNXRUNTIME_VERSION}.tgz")
     else()
-      set(ONNXRUNTIME_FILENAME "onnxruntime-linux-x64-${ONNXRUNTIME_VERSION}.tgz")
+      # cross-compling while the host is x64 but the target is aarch64.
+      if ((CMAKE_SYSTEM_PROCESSOR MATCHES "arm64") OR (CMAKE_SYSTEM_PROCESSOR MATCHES "arm"))
+        set(ONNXRUNTIME_FILENAME "onnxruntime-linux-aarch64-${ONNXRUNTIME_VERSION}.tgz")
+      else()
+        set(ONNXRUNTIME_FILENAME "onnxruntime-linux-x64-${ONNXRUNTIME_VERSION}.tgz")
+      endif()
     endif()
   endif()
 endif()
diff --git a/cmake/toolchain.cmake b/cmake/toolchain.cmake
index f05157fdf..0c39fd678 100755
--- a/cmake/toolchain.cmake
+++ b/cmake/toolchain.cmake
@@ -41,6 +41,6 @@ if (DEFINED TARGET_ABI)
         set(OpenCV_DIR ${THIRD_PARTY_PATH}/install/opencv/lib/cmake/opencv4)
     else()
         message(FATAL_ERROR "When cross-compiling, please set the -DTARGET_ABI to arm64 or armhf.")
-    endif()
+    endif() 
 endif()