diff --git a/brainstate/_module.py b/brainstate/_module.py
index 445d16d..82d5ce9 100644
--- a/brainstate/_module.py
+++ b/brainstate/_module.py
@@ -1213,7 +1213,7 @@ def retrieve_at_step(self, delay_step, *indices) -> PyTree:
     assert self.history is not None, 'The delay history is not initialized.'
     assert delay_step is not None, 'The delay step should be given.'
 
-    if environ.get(environ.JIT_ERROR_CHECK, True):
+    if environ.get(environ.JIT_ERROR_CHECK, False):
       def _check_delay(delay_len):
         raise ValueError(f'The request delay length should be less than the '
                          f'maximum delay {self.max_length}. But we got {delay_len}')
@@ -1263,7 +1263,7 @@ def retrieve_at_time(self, delay_time, *indices) -> PyTree:
     current_time = environ.get(environ.T, desc='The current time.')
     dt = environ.get_dt()
 
-    if environ.get(environ.JIT_ERROR_CHECK, True):
+    if environ.get(environ.JIT_ERROR_CHECK, False):
       def _check_delay(args):
         t_now, t_delay = args
         raise ValueError(f'The request delay time should be within '
diff --git a/brainstate/_state.py b/brainstate/_state.py
index 6dfdd5a..a594ad6 100644
--- a/brainstate/_state.py
+++ b/brainstate/_state.py
@@ -141,7 +141,7 @@ def value(self, v) -> None:
     """
     # value checking
     v = v.value if isinstance(v, State) else v
-    self._check_value(v)
+    self._check_value_tree(v)
     # write the value by the stack (>= level)
     trace: StateTrace
     for trace in thread_local_stack.stack[self._level:]:
@@ -149,9 +149,9 @@ def value(self, v) -> None:
     # set the value
     self._value = v
 
-  def _check_value(self, v):
+  def _check_value_tree(self, v):
     if self._check_tree or _global_context_to_check_state_tree[-1]:
-      in_tree = jax.tree_util.tree_structure(v)
+      in_tree = jax.tree.structure(v)
       if in_tree != self._tree:
         self._raise_error_with_source_info(
           ValueError(f'The given value {in_tree} does not '
@@ -370,12 +370,13 @@ def write_its_value(self, state: State) -> None:
       self.types[index] = 'write'
       self._written_ids.add(id_)
 
-  def collect_values(self, *categories: str) -> Tuple:
+  def collect_values(self, *categories: str, check_val_tree: bool = False) -> Tuple:
     """
     Collect the values by the given categories.
 
     Args:
       *categories: The categories.
+      check_val_tree: Whether to check the tree structure of the value.
 
     Returns:
       results: The values.
@@ -383,7 +384,10 @@ def collect_values(self, *categories: str) -> Tuple:
     results = []
     for st, ty in zip(self.states, self.types):
       if ty in categories:
-        results.append(st.value)
+        val = st.value
+        if check_val_tree:
+          st._check_value_tree(val)
+        results.append(val)
     return tuple(results)
 
   def recovery_original_values(self) -> None: