diff --git a/external/onnxruntime.cmake b/external/onnxruntime.cmake
index 3e50c804f..01e7b8126 100644
--- a/external/onnxruntime.cmake
+++ b/external/onnxruntime.cmake
@@ -44,9 +44,18 @@ elseif(APPLE)
   endif()
 else()
   if(WITH_GPU)
-    set(ONNXRUNTIME_FILENAME "onnxruntime-linux-x64-gpu-${ONNXRUNTIME_VERSION}.tgz")
+    if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
+      message("Cannot compile with onnxruntime-gpu while in linux-aarch64 platform, fallback to onnxruntime-cpu")
+      set(ONNXRUNTIME_FILENAME "onnxruntime-linux-aarch64-${ONNXRUNTIME_VERSION}.tgz")
+    else()
+      set(ONNXRUNTIME_FILENAME "onnxruntime-linux-x64-gpu-${ONNXRUNTIME_VERSION}.tgz")
+    endif()
   else()
-    set(ONNXRUNTIME_FILENAME "onnxruntime-linux-x64-${ONNXRUNTIME_VERSION}.tgz")
+    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")
+    endif()
   endif()
 endif()
 set(ONNXRUNTIME_URL "${ONNXRUNTIME_URL_PREFIX}${ONNXRUNTIME_FILENAME}")
diff --git a/external/opencv.cmake b/external/opencv.cmake
index 8ce8c56cc..6762e0640 100644
--- a/external/opencv.cmake
+++ b/external/opencv.cmake
@@ -41,8 +41,15 @@ elseif(APPLE)
     set(OPENCV_URL "https://bj.bcebos.com/paddle2onnx/libs/opencv-osx-x86_64-3.4.16.tgz")
   endif()
 else()
-  set(OPENCV_URL "https://bj.bcebos.com/paddle2onnx/libs/opencv-linux-x64-3.4.16.tgz") 
+  if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
+    set(OPENCV_URL "https://bj.bcebos.com/paddle2onnx/libs/opencv-linux-aarch64-3.4.14.tgz")
+  else()
+    set(OPENCV_URL "https://bj.bcebos.com/paddle2onnx/libs/opencv-linux-x64-3.4.16.tgz") 
+  endif()
   if(ENABLE_OPENCV_CUDA)
+    if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
+      message(FATAL_ERROR "Cannot set ENABLE_OPENCV_CUDA=ON while in linux-aarch64 platform.")
+    endif()
     set(OPENCV_URL "https://bj.bcebos.com/paddle2onnx/libs/opencv-linux-x64-gpu-3.4.16.tgz")
   endif()
 endif()
@@ -60,6 +67,9 @@ elseif(APPLE)
   set(OPENCV_IMGCODESC_LIB ${OPENCV_INSTALL_DIR}/lib/libopencv_imgcodecs.dylib)
 else()
   set(OPENCV_SOURCE_LIB ${OPENCV_SOURCE_DIR}/lib64)
+  if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
+    set(OPENCV_SOURCE_LIB ${OPENCV_SOURCE_DIR}/lib)
+  endif()
   set(OPENCV_CORE_LIB ${OPENCV_INSTALL_DIR}/lib/libopencv_core.so) 
   set(OPENCV_HIGHGUI_LIB ${OPENCV_INSTALL_DIR}/lib/libopencv_highgui.so)
   set(OPENCV_IMGPROC_LIB ${OPENCV_INSTALL_DIR}/lib/libopencv_imgproc.so)
diff --git a/external/paddle2onnx.cmake b/external/paddle2onnx.cmake
index b9847830a..0274c319a 100644
--- a/external/paddle2onnx.cmake
+++ b/external/paddle2onnx.cmake
@@ -23,7 +23,7 @@ set(PADDLE2ONNX_INC_DIR
     CACHE PATH "paddle2onnx include directory." FORCE)
 set(PADDLE2ONNX_LIB_DIR
     "${PADDLE2ONNX_INSTALL_DIR}/lib/"
-    CACHE PATH "onnxruntime lib directory." FORCE)
+    CACHE PATH "paddle2onnx lib directory." FORCE)
 set(CMAKE_BUILD_RPATH "${CMAKE_BUILD_RPATH}"
                       "${PADDLE2ONNX_LIB_DIR}")
 
@@ -53,7 +53,11 @@ elseif(APPLE)
     set(PADDLE2ONNX_FILE "paddle2onnx-osx-x86_64-${PADDLE2ONNX_VERSION}.tgz")
   endif()
 else()
-  set(PADDLE2ONNX_FILE "paddle2onnx-linux-x64-${PADDLE2ONNX_VERSION}.tgz")
+  if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
+    set(PADDLE2ONNX_FILE "paddle2onnx-linux-aarch64-${PADDLE2ONNX_VERSION}.tgz")
+  else()
+    set(PADDLE2ONNX_FILE "paddle2onnx-linux-x64-${PADDLE2ONNX_VERSION}.tgz")
+  endif()
 endif()
 set(PADDLE2ONNX_URL "${PADDLE2ONNX_URL_BASE}${PADDLE2ONNX_FILE}")