diff --git a/config/compiler/BUILD.gn b/config/compiler/BUILD.gn
index 0f1a558c327f16ac8b9cd369f3cf3f3b8a24e18d..c1028de9a0c280f957d966ca7935c1faf19321f6 100755
--- a/config/compiler/BUILD.gn
+++ b/config/compiler/BUILD.gn
@@ -1399,7 +1399,7 @@ config("no_optimize") {
     # On ohos we kind of optimize some things that don't affect debugging
     # much even when optimization is disabled to get the binary size down.
     if (is_clang) {
-      cflags = [ "-Oz" ] + common_optimize_on_cflags
+      cflags = [ "-O2" ] + common_optimize_on_cflags
     } else {
       cflags = [ "-Os" ] + common_optimize_on_cflags
     }