diff --git a/BUILD.gn b/BUILD.gn
index e4ba69032b1afd2bdb7d5e02320a2d97d7763452..286256cf32fa4971f1a4af6283f0a8a89eca3e1b 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -29,6 +29,7 @@ ohos_shared_library("libpcre2") {
     exec_script("/usr/bin/env",
                 [
                   "cp",
+                  "-f",
                   rebase_path("$PCRE2_LIB_DIR/src/config.h.generic"),
                   rebase_path("$PCRE2_LIB_DIR/src/config.h"),
                 ])