diff --git a/interfaces/kits/js/src/mod_fs/class_stream/fs_stream.cpp b/interfaces/kits/js/src/mod_fs/class_stream/fs_stream.cpp
index 2a39e3506b6513e805093e64852349d00fe4fe98..d93a1dc70a515ad04f10827f24d86c8c7b021b89 100644
--- a/interfaces/kits/js/src/mod_fs/class_stream/fs_stream.cpp
+++ b/interfaces/kits/js/src/mod_fs/class_stream/fs_stream.cpp
@@ -29,6 +29,9 @@ using namespace std;
 std::shared_ptr<FILE> FsStream::GetFilePtr()
 {
     std::lock_guard<std::mutex> lock(mtx);
+    if (!streamEntity) {
+        return nullptr;
+    }
     if (!streamEntity->fp) {
         return nullptr;
     }