diff --git a/cpp/build.sh b/cpp/build.sh
index edfe9305bedf6e4e73c8148e5989078d4e98fdd8..ef66a0c375af677abd729d8668049698d1995c57 100755
--- a/cpp/build.sh
+++ b/cpp/build.sh
@@ -8,7 +8,7 @@ MAKE_CLEAN="OFF"
 BUILD_COVERAGE="OFF"
 DB_PATH="/opt/milvus"
 PROFILING="OFF"
-BUILD_FAISS_WITH_MKL="OFF"
+BUILD_FAISS_WITH_MKL="ON"
 
 while getopts "p:d:t:uhlrcgm" arg
 do
diff --git a/cpp/cmake/ThirdPartyPackages.cmake b/cpp/cmake/ThirdPartyPackages.cmake
index fed5dece88c122b402966a888f98e6b4ccb32e12..837d6bd4701dcdd257848ad3f4bd1ae4ce712ee3 100644
--- a/cpp/cmake/ThirdPartyPackages.cmake
+++ b/cpp/cmake/ThirdPartyPackages.cmake
@@ -700,7 +700,7 @@ endmacro()
 # FAISS
 
 if(NOT DEFINED BUILD_FAISS_WITH_MKL)
-    set(BUILD_FAISS_WITH_MKL OFF)
+    set(BUILD_FAISS_WITH_MKL ON)
 endif()
 
 if(EXISTS "/proc/cpuinfo")
diff --git a/cpp/src/CMakeLists.txt b/cpp/src/CMakeLists.txt
index 80603cf67316df75a53e228a4e8519368dab8808..088a461a9baa144cfbd3e8c70f39d23bb683eef2 100644
--- a/cpp/src/CMakeLists.txt
+++ b/cpp/src/CMakeLists.txt
@@ -153,6 +153,7 @@ if (ENABLE_LICENSE STREQUAL "ON")
 endif ()
 
 set(metrics_lib
+        easyloggingpp
         prometheus-cpp-push
         prometheus-cpp-pull
         prometheus-cpp-core