diff --git a/mbtk/libmbtk_fota/mbtk_fota.c b/mbtk/libmbtk_fota/mbtk_fota.c
index 6e67569..68e2ba0 100755
--- a/mbtk/libmbtk_fota/mbtk_fota.c
+++ b/mbtk/libmbtk_fota/mbtk_fota.c
@@ -243,7 +243,7 @@
     {
         LOGE("/sys/power/wake_lock can not write.\n");
     }
-    
+
     blob_buf_init(&b, 0);
     blobmsg_add_string(&b, "url", url);
     blobmsg_add_string(&b, "username", "user name");
@@ -420,8 +420,8 @@
     return fota_dowload_flag;
 }
 
-
-
-
-
+void mbtk_fota_lib_info_print()
+{
+    MBTK_SOURCE_INFO_PRINT("mbtk_fota_lib");
+}