diff --git a/BUILD.gn b/BUILD.gn
index f3aa56325af3fedc1fcaa4e71f54d97803c63285..999796cf5a3443ad4d69c1a2c93f0399b62614b8 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -190,9 +190,12 @@ config("ark_toolchain_common_config") {
     defines += [ "NDEBUG" ]
   }
 
-  if (defined(enable_cmc_gc) && enable_cmc_gc) {
+  if (toolchain_enable_cmc_gc) {
+    print("########## toolchain enable cmc-gc ##############")
     defines += [ "USE_CMC_GC" ]
     defines += [ "USE_READ_BARRIER" ]
+  } else {
+    print("########## toolchain disable cmc-gc ##############")
   }
 }
 
diff --git a/toolchain_config.gni b/toolchain_config.gni
index 5ed5f7e16a571c261b209da44c7d7ba488710abe..60d1354ea46812f6576ecdabae346e2a095647c9 100644
--- a/toolchain_config.gni
+++ b/toolchain_config.gni
@@ -11,10 +11,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if (!defined(enable_cmc_gc)) {
-  enable_cmc_gc = false
-}
-
 if (!defined(ark_standalone_build)) {
   ark_standalone_build = false
 }
@@ -23,6 +19,14 @@ if (target_cpu == "arm64") {
   TARGET = "aarch64"
 }
 
+declare_args() {
+  toolchain_enable_cmc_gc = false
+}
+
+if (defined(enable_cmc_gc) && !toolchain_enable_cmc_gc) {
+  toolchain_enable_cmc_gc = enable_cmc_gc
+}
+
 if (!ark_standalone_build) {
   build_root = "//build"
   ark_third_party_root = "//third_party"