diff --git a/build/compile_script/ark.py b/build/compile_script/ark.py
index ca2303fff1306835314f0e5cd25d60ccf321b662..88ec2fe17f78b8d3f08e913980556075be4f7d7d 100644
--- a/build/compile_script/ark.py
+++ b/build/compile_script/ark.py
@@ -45,7 +45,7 @@ OUTDIR = "out"
 Help_message = """
 formot like python ark.py [arch].[mode] [options] [test]
 for example , python ark.py x64.release
-[arch] can be one of ["x64", "arm", "arm64"]  
+[arch] only support "x64" now 
 [mode] can be one of ["release", "debug"]
 [options]
   target: only support [ets_runtime | ets_frontend | default | all] now
diff --git a/build/core/gn/BUILD.gn b/build/core/gn/BUILD.gn
index 1230504049aa87a893a6a330706729c5c9e8d81c..659c12c5b4707dda60534940104f58398aae63e6 100644
--- a/build/core/gn/BUILD.gn
+++ b/build/core/gn/BUILD.gn
@@ -43,6 +43,7 @@ group("linux_packages") {
 }
 
 group("unittest_packages") {
+  testonly = true
   if (host_os != "mac") {
     deps = [ "//arkcompiler/ets_runtime:ark_js_unittest" ]
   }