diff --git a/qlib/utils/__init__.py b/qlib/utils/__init__.py
index fe039df4f..dbbe69d43 100644
--- a/qlib/utils/__init__.py
+++ b/qlib/utils/__init__.py
@@ -179,7 +179,7 @@ def get_module_by_module_path(module_path: Union[str, ModuleType]):
         module = module_path
     else:
         if module_path.endswith(".py"):
-            module_name = "dummy"
+            module_name = re.sub("^[^a-zA-Z_]+", "", re.sub("[^0-9a-zA-Z_]", "", module_path[:-3].replace("/", "_")))
             module_spec = importlib.util.spec_from_file_location(module_name, module_path)
             module = importlib.util.module_from_spec(module_spec)
             sys.modules[module_name] = module