diff --git a/bundle.json b/bundle.json
index 3bd0fbac035263bd0b71c9264ff732390f4fce5f..e0f6daba605fa5cf1b2838ec091d842e5757963b 100644
--- a/bundle.json
+++ b/bundle.json
@@ -21,6 +21,7 @@
             "components": [],
             "third_party": [
                 "abseil-cpp",
+                "bounds_checking_function",
                 "icu",
                 "protobuf"
             ]
diff --git a/cpp/BUILD.gn b/cpp/BUILD.gn
index 4f4b577d777ea7f00e993f55be0e57244c63cc79..34635df3b071cdd4f0e92bc933e162f64012c4b2 100644
--- a/cpp/BUILD.gn
+++ b/cpp/BUILD.gn
@@ -22,6 +22,7 @@ group("build_module") {
 config("phonenumber_config") {
   include_dirs = [
     "//third_party/abseil-cpp/abseil-cpp",
+    "//third_party/bounds_checking_function/include",
     "//third_party/icu/icu4c/source/common",
     "//third_party/icu/icu4c/source/i18n",
     "//third_party/icu/icu4c/source",
@@ -79,6 +80,7 @@ ohos_shared_library("phonenumber_standard") {
   deps = [
     "//third_party/abseil-cpp:absl_base",
     "//third_party/abseil-cpp:absl_strings",
+    "//third_party/bounds_checking_function:libsec_shared",
     "//third_party/icu/icu4c:shared_icui18n",
     "//third_party/icu/icu4c:shared_icuuc",
     "//third_party/protobuf:protobuf_lite",
@@ -107,6 +109,7 @@ ohos_shared_library("geocoding") {
     "src/phonenumbers/phonenumber.pb.h",
   ]
   deps = [
+    "//third_party/bounds_checking_function:libsec_shared",
     "//third_party/icu/icu4c:shared_icuuc",
     "//third_party/libphonenumber/cpp:phonenumber_standard",
   ]
diff --git a/cpp/src/phonenumbers/geocoding/geocoding_warpper.cc b/cpp/src/phonenumbers/geocoding/geocoding_warpper.cc
index b78ac99f6df41996a7c830fa7da7f39688f5fc5a..fe46b61aaf4f7d1cbcd69a8d5e5132ba8609eb56 100644
--- a/cpp/src/phonenumbers/geocoding/geocoding_warpper.cc
+++ b/cpp/src/phonenumbers/geocoding/geocoding_warpper.cc
@@ -9,6 +9,7 @@
 #include <stdlib.h>
 #include <unicode/unistr.h>  // NOLINT(build/include_order)
 #include <unicode/locid.h>
+#include "securec.h"
 
 using icu::UnicodeString;
 using i18n::phonenumbers::PhoneNumber;
@@ -16,7 +17,7 @@ using i18n::phonenumbers::PhoneNumberUtil;
 using i18n::phonenumbers::PhoneNumberOfflineGeocoder;
 using icu::Locale;
 
-extern "C" void exposeLocationName(const char* pNumber, const char* locale, char* res) {
+extern "C" int exposeLocationName(const char* pNumber, const char* locale, char* res, const int resLength = 128) {
     if(offlineGeocoder == NULL) {
         offlineGeocoder = new PhoneNumberOfflineGeocoder();
     }
@@ -29,9 +30,9 @@ extern "C" void exposeLocationName(const char* pNumber, const char* locale, char
     PhoneNumberUtil::ErrorType type = util->Parse(number, uLocale.getCountry(), &phoneNumber);
     if (type != PhoneNumberUtil::ErrorType::NO_PARSING_ERROR) {
         std::string empty = "";
-        std::strcpy(res, empty.c_str());
+        return strcpy_s(res, resLength, empty.c_str());
     }
     std::string result = offlineGeocoder->GetDescriptionForNumber(phoneNumber, uLocale);
-    std::strcpy(res, result.c_str());
+    return strcpy_s(res, resLength, result.c_str());
 }
 
diff --git a/cpp/src/phonenumbers/geocoding/geocoding_warpper.h b/cpp/src/phonenumbers/geocoding/geocoding_warpper.h
index ca5141fb4391932c7e4607ba45c1ce2120b27907..b3d00ff8897440f672ccb37eb08c4e5f4d3b5b91 100644
--- a/cpp/src/phonenumbers/geocoding/geocoding_warpper.h
+++ b/cpp/src/phonenumbers/geocoding/geocoding_warpper.h
@@ -9,4 +9,4 @@ using i18n::phonenumbers::PhoneNumberOfflineGeocoder;
 
 PhoneNumberOfflineGeocoder* offlineGeocoder = NULL;
 i18n::phonenumbers::PhoneNumberUtil* util = NULL;
-extern "C" void exposeLocationName(const char* pNumber, const char* locale, char* res);
+extern "C" int exposeLocationName(const char* pNumber, const char* locale, char* res, const int resLength);