diff --git a/interfaces/kits/js/src/mod_fs/properties/dup_core.cpp b/interfaces/kits/js/src/mod_fs/properties/dup_core.cpp
index 7162051499842faad86ee99d5b1a9f176ca5756b..7370bf8abb5eea549cd30fc143b65d1099a86ca6 100644
--- a/interfaces/kits/js/src/mod_fs/properties/dup_core.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/dup_core.cpp
@@ -43,6 +43,7 @@ FsResult<FsFile *> DupCore::DoDup(const int32_t &fd)
     if (!ValidFd(fd)) {
         return FsResult<FsFile *>::Error(EINVAL);
     }
+    
     int dstFd = dup(fd);
     if (dstFd < 0) {
         HILOGE("Failed to dup fd, errno: %{public}d", errno);