diff --git a/ohos_nweb/src/cef_delegate/nweb_handler_delegate.cc b/ohos_nweb/src/cef_delegate/nweb_handler_delegate.cc
index 22e0bf04011da6aea0eef341f2b5b1296216bac9..4132b69886df8679f72ee3c9cc5634dd7ffaff66 100644
--- a/ohos_nweb/src/cef_delegate/nweb_handler_delegate.cc
+++ b/ohos_nweb/src/cef_delegate/nweb_handler_delegate.cc
@@ -93,6 +93,8 @@
 #include "base/strings/string_number_conversions.h"
 #endif
 
+#include "third_party/bounds_checking_function/include/securec.h"
+
 #define MAX_FLOWBUF_DATA_SIZE 52428800 /* 50 MB */
 #define MAX_ENTRIES 10
 #define HEADER_SIZE (MAX_ENTRIES * 8) /* 10 * (int position + int length) */
@@ -285,7 +287,10 @@ char* CopyCefStringToChar(const CefString& str) {
   }
   int strLen = str.size() + 1;
   char* result = new char[strLen]{0};
-  strncpy(result, str.ToString().c_str(), strLen);
+  if (strcpy_s(result, strLen, str.ToString().c_str()) != EOF) {
+    delete[] result;
+    return nullptr;
+  }
   return result;
 }