Fix build issue

pubspec.yaml

@@ -160,7 +160,7 @@ dependency_overrides:
   fis_jsonrpc:
     git:
       url: http://git.ius.plus:88/Project-Wing/fis_lib_jsonrpc.git
-      ref: 244f1e6
+      ref: f0c9b872ba
     #path: ../fis_lib_jsonrpc
   fis_theme:
     git: