diff --git a/imperative/python/megengine/module/module.py b/imperative/python/megengine/module/module.py
index 0838553f..8fb4c2dd 100644
--- a/imperative/python/megengine/module/module.py
+++ b/imperative/python/megengine/module/module.py
@@ -609,14 +609,6 @@ class Module(metaclass=ABCMeta):
 
         return set(loaded), set(skipped)
 
-    def __getattribute__(self, name: str):
-        value = super().__getattribute__(name)
-        if name == "__dict__":
-            return value
-        for prefix, variable in _expand_structure(name, value):
-            variable._name = prefix
-        return value
-
     def __setattr__(self, name: str, value):
         is_module_like = _is_module(value) or isinstance(value, (list, tuple, dict))
         if name != "_modules":
@@ -631,6 +623,15 @@ class Module(metaclass=ABCMeta):
             else:
                 if modules is not None and name in modules:
                     modules.remove(name)
+        for k, v in _expand_structure(name, value):
+            if not v._name:
+                v._name = k
+            else:
+                logger.warning(
+                    "try setting the submodule `{}` to a new attribute `{}`, its name `{}` will remain unchanged".format(
+                        v._name, k, v._name
+                    )
+                )
         super().__setattr__(name, value)
 
     def __delattr__(self, name: str):
diff --git a/imperative/python/test/unit/module/test_module.py b/imperative/python/test/unit/module/test_module.py
index 0ff93a36..235a54d1 100644
--- a/imperative/python/test/unit/module/test_module.py
+++ b/imperative/python/test/unit/module/test_module.py
@@ -368,10 +368,10 @@ class AssertModule(Module):
 
 
 def test_assert_message():
-    m = AssertModule()
     with pytest.raises(
         AssertionError, match="keys for Tensor and Module must be str, error key: True"
     ):
+        m = AssertModule()
         list(m._flatten())
 
 
diff --git a/imperative/python/test/unit/utils/test_dump_naming.py b/imperative/python/test/unit/utils/test_dump_naming.py
index f154fc82..333a4ddd 100644
--- a/imperative/python/test/unit/utils/test_dump_naming.py
+++ b/imperative/python/test/unit/utils/test_dump_naming.py
@@ -155,13 +155,13 @@ def test_with_submodule_in_container(symbolic):
     m = Simple("simple")
 
     ops = _dump_and_load(m, symbolic)
-    assert ops[-1].outputs[0].name == "simple.l2.l2-1.ADD"
-    assert ops[-1].name == "simple.l2.l2-1.ADD"
-    assert ops[-2].name == "simple.l2.l2-1.MatrixMul"
-    assert ops[-3].name == "simple.l1.1.ADD"
-    assert ops[-4].name == "simple.l1.1.MatrixMul"
-    assert ops[-5].name == "simple.l0.1.ADD"
-    assert ops[-6].name == "simple.l0.1.MatrixMul"
+    assert ops[-1].outputs[0].name == "simple.l0.1.ADD[2]"
+    assert ops[-1].name == "simple.l0.1.ADD[2]"
+    assert ops[-2].name == "simple.l0.1.MatrixMul[2]"
+    assert ops[-3].name == "simple.l0.1.ADD[1]"
+    assert ops[-4].name == "simple.l0.1.MatrixMul[1]"
+    assert ops[-5].name == "simple.l0.1.ADD[0]"
+    assert ops[-6].name == "simple.l0.1.MatrixMul[0]"
 
 
 @pytest.mark.parametrize("symbolic", [False, True])