diff --git a/src/yuheng/__init__.py b/src/yuheng/__init__.py
index ffd2f14..7a4c07a 100644
--- a/src/yuheng/__init__.py
+++ b/src/yuheng/__init__.py
@@ -44,7 +44,11 @@ def __set_attrib(attrib: Dict[str, str], key: str, value):
         if value is not None:
             attrib[key] = str(value)
 
-    @staticmethod
+    # @staticmethod
+
+    import numba
+
+    @numba.jit(force_obj=False, loof_left=False, nopython=False)
     def insert_to_dict(spec_dict, element_list):
         for i in element_list:
             spec_dict[int(i.id)] = i