diff --git a/build/compile_script/ark.py b/build/compile_script/ark.py
index 755f43d1110231cd292166cfb59c61f977d63eed..d2bce87827dde35f21c1c643215a700c50c87422 100644
--- a/build/compile_script/ark.py
+++ b/build/compile_script/ark.py
@@ -83,7 +83,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system linux and "
                     "target-central-processing-unit x64.",
-                "expression_to_args_gn": "target_os = \"linux\"\ntarget_cpu = \"x64\"\n",
+                "expression_to_args_gn": "target_os = \"linux\"\ntarget_cpu = \"x64\"\nuse_flto = true\n",
                 "prefix_of_name_of_out_dir_of_second_level": "x64",
             },
             "linux_x86": {
@@ -91,7 +91,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system linux and "
                     "target-central-processing-unit x86.",
-                "expression_to_args_gn": "target_os = \"linux\"\ntarget_cpu = \"x86\"\n",
+                "expression_to_args_gn": "target_os = \"linux\"\ntarget_cpu = \"x86\"\nuse_flto = false\n",
                 "prefix_of_name_of_out_dir_of_second_level": "x86",
             },
             "ohos_arm": {
@@ -99,7 +99,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system ohos and "
                     "target-central-processing-unit arm.",
-                "expression_to_args_gn": "target_os = \"ohos\"\ntarget_cpu = \"arm\"\n",
+                "expression_to_args_gn": "target_os = \"ohos\"\ntarget_cpu = \"arm\"\nuse_flto = true\n",
                 "prefix_of_name_of_out_dir_of_second_level": "arm",
             },
             "ohos_arm64": {
@@ -107,7 +107,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system ohos and "
                     "target-central-processing-unit arm64.",
-                "expression_to_args_gn": "target_os = \"ohos\"\ntarget_cpu = \"arm64\"\n",
+                "expression_to_args_gn": "target_os = \"ohos\"\ntarget_cpu = \"arm64\"\nuse_flto = true\n",
                 "prefix_of_name_of_out_dir_of_second_level": "arm64",
             },
             "android_arm64": {
@@ -115,7 +115,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system android and "
                     "target-central-processing-unit arm64.",
-                "expression_to_args_gn": "target_os = \"android\"\ntarget_cpu = \"arm64\"\n",
+                "expression_to_args_gn": "target_os = \"android\"\ntarget_cpu = \"arm64\"\nuse_flto = false\n",
                 "prefix_of_name_of_out_dir_of_second_level": "android_arm64",
             },
             "mingw_x86_64": {
@@ -123,7 +123,7 @@ class ArkPy:
                 "description":
                     "Build for arkcompiler target of target-operating-system MinGW(Minimalist GNU on Windows) and "
                     "target-central-processing-unit x86_64.",
-                "expression_to_args_gn": "target_os = \"mingw\"\ntarget_cpu = \"x86_64\"\n",
+                "expression_to_args_gn": "target_os = \"mingw\"\ntarget_cpu = \"x86_64\"\nuse_flto = true\n",
                 "prefix_of_name_of_out_dir_of_second_level": "mingw_x86_64",
             },
         },
diff --git a/build/config/BUILDCONFIG.gn b/build/config/BUILDCONFIG.gn
index 58e4a0b7c895cb6dab17f4252206e35e348637fe..ba452c8ab72ce6223da1167ea266d276dbfb2feb 100644
--- a/build/config/BUILDCONFIG.gn
+++ b/build/config/BUILDCONFIG.gn
@@ -27,6 +27,7 @@ declare_args() {
   # Debug build. Enabling official builds automatically sets is_debug to false.
   is_debug = false
   is_standard_system = false
+  use_flto = false
 }
 
 declare_args() {