diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ac8e4b..a76fb89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,13 +2,13 @@ cmake_minimum_required (VERSION 3.14)
 project(tim-vx LANGUAGES C CXX)
 
 option(BUILD_SHARED_LIBS                "Build using shared libraries"          ON)
-option(TIM_VX_ENABLE_CUSTOM_OP          "Enable custom op support"              OFF)
+option(TIM_VX_ENABLE_CUSTOM_OP          "Enable custom op support"              ON)
 option(TIM_VX_ENABLE_TEST               "Build the unit test"                   OFF)
 option(TIM_VX_ENABLE_LAYOUT_INFER       "Enable layout inference support"       ON)
-option(TIM_VX_ENABLE_NBG_PARSER         "Enable NBG parser"                     OFF)
+option(TIM_VX_ENABLE_NBG_PARSER         "Enable NBG parser"                     ON)
 option(TIM_VX_CODE_COVERAGE             "Run code coverage with gconv(gcc only" OFF)
 option(TIM_VX_USE_EXTERNAL_OVXLIB       "Use external OVXLIB"                   OFF)
-option(TIM_VX_BUILD_EXAMPLES            "Build demos show general usage"        OFF)
+option(TIM_VX_BUILD_EXAMPLES            "Build demos show general usage"        ON)
 option(TIM_VX_ENABLE_VIPLITE            "Enable lite driver api support"        OFF)
 option(TIM_VX_ENABLE_40BIT              "Enable large memory support"           OFF)
 option(TIM_VX_ENABLE_PLATFORM           "Enable multi devices support"          OFF)