diff --git a/mindnlp/core/_prims/gpu/__init__.py b/examples/llama_factory/.gitkeep
similarity index 100%
rename from mindnlp/core/_prims/gpu/__init__.py
rename to examples/llama_factory/.gitkeep
diff --git a/examples/transformers/mindpilot/README.md b/examples/mindpilot/README.md
similarity index 100%
rename from examples/transformers/mindpilot/README.md
rename to examples/mindpilot/README.md
diff --git a/examples/transformers/classification/bert_emotect_finetune.ipynb b/examples/tasks/classification/bert_emotect_finetune.ipynb
similarity index 100%
rename from examples/transformers/classification/bert_emotect_finetune.ipynb
rename to examples/tasks/classification/bert_emotect_finetune.ipynb
diff --git a/examples/transformers/classification/bert_imdb_finetune.ipynb b/examples/tasks/classification/bert_imdb_finetune.ipynb
similarity index 100%
rename from examples/transformers/classification/bert_imdb_finetune.ipynb
rename to examples/tasks/classification/bert_imdb_finetune.ipynb
diff --git a/examples/transformers/classification/bilstm_imdb_concise.ipynb b/examples/tasks/classification/bilstm_imdb_concise.ipynb
similarity index 100%
rename from examples/transformers/classification/bilstm_imdb_concise.ipynb
rename to examples/tasks/classification/bilstm_imdb_concise.ipynb
diff --git a/examples/transformers/classification/bilstm_imdb_scratch.ipynb b/examples/tasks/classification/bilstm_imdb_scratch.ipynb
similarity index 100%
rename from examples/transformers/classification/bilstm_imdb_scratch.ipynb
rename to examples/tasks/classification/bilstm_imdb_scratch.ipynb
diff --git a/examples/transformers/classification/dual_bert_imdb_scratch.ipynb b/examples/tasks/classification/dual_bert_imdb_scratch.ipynb
similarity index 100%
rename from examples/transformers/classification/dual_bert_imdb_scratch.ipynb
rename to examples/tasks/classification/dual_bert_imdb_scratch.ipynb
diff --git a/examples/transformers/classification/gpt_imdb_finetune.ipynb b/examples/tasks/classification/gpt_imdb_finetune.ipynb
similarity index 100%
rename from examples/transformers/classification/gpt_imdb_finetune.ipynb
rename to examples/tasks/classification/gpt_imdb_finetune.ipynb
diff --git a/examples/transformers/classification/nezha_classification.ipynb b/examples/tasks/classification/nezha_classification.ipynb
similarity index 100%
rename from examples/transformers/classification/nezha_classification.ipynb
rename to examples/tasks/classification/nezha_classification.ipynb
diff --git a/examples/transformers/language_model/fasttext.py b/examples/tasks/language_model/fasttext.py
similarity index 100%
rename from examples/transformers/language_model/fasttext.py
rename to examples/tasks/language_model/fasttext.py
diff --git a/examples/transformers/machine_translation/seq2seq_scratch.ipynb b/examples/tasks/machine_translation/seq2seq_scratch.ipynb
similarity index 100%
rename from examples/transformers/machine_translation/seq2seq_scratch.ipynb
rename to examples/tasks/machine_translation/seq2seq_scratch.ipynb
diff --git a/examples/transformers/question_answer/bidaf/__init__.py b/examples/tasks/question_answer/bidaf/__init__.py
similarity index 100%
rename from examples/transformers/question_answer/bidaf/__init__.py
rename to examples/tasks/question_answer/bidaf/__init__.py
diff --git a/examples/transformers/question_answer/bidaf/evaluate.py b/examples/tasks/question_answer/bidaf/evaluate.py
similarity index 100%
rename from examples/transformers/question_answer/bidaf/evaluate.py
rename to examples/tasks/question_answer/bidaf/evaluate.py
diff --git a/examples/transformers/question_answer/bidaf/squad_process.py b/examples/tasks/question_answer/bidaf/squad_process.py
similarity index 100%
rename from examples/transformers/question_answer/bidaf/squad_process.py
rename to examples/tasks/question_answer/bidaf/squad_process.py
diff --git a/examples/transformers/question_answer/bidaf_squad_concise.ipynb b/examples/tasks/question_answer/bidaf_squad_concise.ipynb
similarity index 100%
rename from examples/transformers/question_answer/bidaf_squad_concise.ipynb
rename to examples/tasks/question_answer/bidaf_squad_concise.ipynb
diff --git a/examples/transformers/question_answer/bidaf_squad_scratch.ipynb b/examples/tasks/question_answer/bidaf_squad_scratch.ipynb
similarity index 100%
rename from examples/transformers/question_answer/bidaf_squad_scratch.ipynb
rename to examples/tasks/question_answer/bidaf_squad_scratch.ipynb
diff --git a/examples/transformers/sequence_labeling/Bert-LSTM-CRF.ipynb b/examples/tasks/sequence_labeling/Bert-LSTM-CRF.ipynb
similarity index 100%
rename from examples/transformers/sequence_labeling/Bert-LSTM-CRF.ipynb
rename to examples/tasks/sequence_labeling/Bert-LSTM-CRF.ipynb
diff --git a/examples/transformers/sequence_labeling/LSTM-CRF.ipynb b/examples/tasks/sequence_labeling/LSTM-CRF.ipynb
similarity index 100%
rename from examples/transformers/sequence_labeling/LSTM-CRF.ipynb
rename to examples/tasks/sequence_labeling/LSTM-CRF.ipynb
diff --git a/examples/transformers/sequence_labeling/conll2003/test.txt b/examples/tasks/sequence_labeling/conll2003/test.txt
similarity index 100%
rename from examples/transformers/sequence_labeling/conll2003/test.txt
rename to examples/tasks/sequence_labeling/conll2003/test.txt
diff --git a/examples/transformers/sequence_labeling/conll2003/train.txt b/examples/tasks/sequence_labeling/conll2003/train.txt
similarity index 100%
rename from examples/transformers/sequence_labeling/conll2003/train.txt
rename to examples/tasks/sequence_labeling/conll2003/train.txt
diff --git a/examples/transformers/sequence_labeling/conll2003/valid.txt b/examples/tasks/sequence_labeling/conll2003/valid.txt
similarity index 100%
rename from examples/transformers/sequence_labeling/conll2003/valid.txt
rename to examples/tasks/sequence_labeling/conll2003/valid.txt
diff --git a/examples/transformers/tensor_decomposition/dual_bert_td.ipynb b/examples/tasks/tensor_decomposition/dual_bert_td.ipynb
similarity index 100%
rename from examples/transformers/tensor_decomposition/dual_bert_td.ipynb
rename to examples/tasks/tensor_decomposition/dual_bert_td.ipynb
diff --git a/examples/transformers/text_generation/gpt2_summarization.ipynb b/examples/tasks/text_generation/gpt2_summarization.ipynb
similarity index 100%
rename from examples/transformers/text_generation/gpt2_summarization.ipynb
rename to examples/tasks/text_generation/gpt2_summarization.ipynb
diff --git a/examples/transformers/text_generation/gpt2_summarization.py b/examples/tasks/text_generation/gpt2_summarization.py
similarity index 100%
rename from examples/transformers/text_generation/gpt2_summarization.py
rename to examples/tasks/text_generation/gpt2_summarization.py
diff --git a/mindnlp/core/_dtype.py b/mindnlp/core/_dtype.py
index d480e7f9c..c291d87e6 100644
--- a/mindnlp/core/_dtype.py
+++ b/mindnlp/core/_dtype.py
@@ -6,6 +6,8 @@
 
 from .configs import ON_A1
 
+bool_alias = bool
+
 if ON_A1:
     warnings.warn('MindSpore on GPU/910A do not support bfloat16, use float16 instead.')
     bfloat16 = float16
@@ -98,4 +100,8 @@ def __gt__(self, other):
     float16 : np.float16,
     float32 : np.float32,
     float64 : np.float64,
-}
\ No newline at end of file
+}
+
+py2dtype = {
+    bool_alias: bool
+}
diff --git a/mindnlp/core/_prims/ascend.py b/mindnlp/core/_prims/ascend.py
index e9911115d..626bed220 100644
--- a/mindnlp/core/_prims/ascend.py
+++ b/mindnlp/core/_prims/ascend.py
@@ -137,6 +137,12 @@ def argmax_with_value(*args):
 
 __all__.append('argmax_with_value')
 
+def argmin_with_value(*args):
+    return pyboost_inner_prim.argmin_with_value_impl(*args)
+
+__all__.append('argmin_with_value')
+
+
 right_shift_op = ops.RightShift().set_device('Ascend')
 def right_shift(input, other):
     if isinstance(other, numbers.Number):
diff --git a/mindnlp/core/_prims/gpu.py b/mindnlp/core/_prims/gpu.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/mindnlp/core/_prims/meta.py b/mindnlp/core/_prims/meta.py
index 1f97a8b5f..08bf032a9 100644
--- a/mindnlp/core/_prims/meta.py
+++ b/mindnlp/core/_prims/meta.py
@@ -262,3 +262,32 @@ def concat(tensors, dim):
     return core.Tensor(out)
 
 __all__.append('concat')
+
+def tril_ext(input, k):
+    return input
+
+__all__.append('tril_ext')
+
+def reshape(input, shape):
+    out = Tensor_(shape=tuple(shape), dtype=input.dtype)
+    return core.Tensor(out)
+
+__all__.append('reshape')
+
+def linalg_vector_norm(input, p, dim, keepdim, dtype):
+    input_shape = list(input.shape)
+    if isinstance(dim, int):
+        dim = (dim,)
+    for d in dim:
+        input_shape[d] = 1 if keepdim else 0
+    
+    new_shape = []
+    for s in input_shape:
+        if s != 0:
+            new_shape.append(s)
+    if dtype is None:
+        dtype = input.dtype
+    out = Tensor_(shape=tuple(new_shape), dtype=dtype)
+    return core.Tensor(out)
+
+__all__.append('linalg_vector_norm')
\ No newline at end of file
diff --git a/mindnlp/core/_prims/numpy.py b/mindnlp/core/_prims/numpy.py
index e6e40326a..52bcda153 100644
--- a/mindnlp/core/_prims/numpy.py
+++ b/mindnlp/core/_prims/numpy.py
@@ -61,6 +61,8 @@ def sub_ext(input, other, alpha):
     elif not isinstance(other, numbers.Number):
         other = other.numpy()
     out = np.subtract(input, other * alpha)
+    if not isinstance(out, np.ndarray):
+        out = np.array(out)
     return core.Tensor.from_numpy(out)
 
 __all__.append('sub_ext')
@@ -503,3 +505,9 @@ def less_equal(input, other):
     return core.Tensor.from_numpy(out)
 
 __all__.append('less_equal')
+
+def tril_ext(input, diagonal):
+    out = np.tril(input.numpy(), diagonal)
+    return core.Tensor.from_numpy(out)
+
+__all__.append('tril_ext')
diff --git a/mindnlp/core/ops/creation.py b/mindnlp/core/ops/creation.py
index 6db903bc4..f382e4857 100644
--- a/mindnlp/core/ops/creation.py
+++ b/mindnlp/core/ops/creation.py
@@ -23,7 +23,7 @@ def from_numpy(ndarray):
 
 # frombuffer
 def frombuffer(buffer, *, dtype, count=-1, offset=0, requires_grad=False):
-    arr = np.frombuffer(buffer=buffer, dtype=core.dtype_to_nptype(dtype), count=count, offset=offset)
+    arr = np.frombuffer(buffer=buffer, dtype=core.dtype2np[dtype], count=count, offset=offset)
     tensor = core.Tensor(arr)
     tensor.requires_grad_(requires_grad)
     return tensor
@@ -62,6 +62,8 @@ def zeros_like(input, *, dtype=None, layout=None, device=None, requires_grad=Fal
 def ones(*size, out=None, dtype=None, layout=None, device=None, requires_grad=False):
     if dtype is None:
         dtype = get_default_dtype()
+    if isinstance(dtype, type):
+        dtype = core.py2dtype[dtype]
     if device is None:
         device = get_device_in_context()
     if isinstance(size[0], (tuple, list)):
diff --git a/mindnlp/core/ops/other.py b/mindnlp/core/ops/other.py
index f9f0f6fbb..ec1920926 100644
--- a/mindnlp/core/ops/other.py
+++ b/mindnlp/core/ops/other.py
@@ -866,7 +866,7 @@ def iinfo(dtype):
     return iinfo_dtype[dtype]
 
 def iinfo(dtype):
-    return np.iinfo(mindspore.dtype_to_nptype(dtype))
+    return np.iinfo(core.dtype2np[dtype])
 
 
 def contains(self, key):
diff --git a/mindnlp/core/ops/reduction.py b/mindnlp/core/ops/reduction.py
index b5be90bb4..dec11cbf9 100644
--- a/mindnlp/core/ops/reduction.py
+++ b/mindnlp/core/ops/reduction.py
@@ -59,7 +59,7 @@ def min(input, dim=None, keepdim=False, *, out=None):
         return execute('min', input)
     if core.is_tensor(dim):
         return core.minimum(input, dim)
-    output = execute('argmin_ext', input, dim, keepdim)
+    output = execute('argmin_with_value', input, dim, keepdim)
     if out is None:
         return min_out(values=output[1], indices=output[0])
 
diff --git a/mindnlp/factory/__init__.py b/mindnlp/factory/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/mindnlp/factory/cli.py b/mindnlp/factory/cli.py
new file mode 100644
index 000000000..e69de29bb