fix the error links for r1.3

mindspore/context.py

@@ -643,7 +643,7 @@ def set_context(**kwargs):
             a file by default, and turns off printing to the screen. If the file already exists, add a timestamp
             suffix to the file. Default: ''.
         enable_sparse (bool): Whether to enable sparsity feature. Default: False.
-            For details of sparsity and sparse tensor, please check `<https://www.mindspore.cn/doc/programming_guide/zh-CN/master/tensor.html>`_.
+            For details of sparsity and sparse tensor, please check `<https://www.mindspore.cn/docs/programming_guide/zh-CN/r1.3/tensor.html>`_.
         max_call_depth (int): Specify the maximum depth of function call. Must be positive integer. Default: 1000.
         env_config_path (str): Config path for DFX.
         auto_tune_mode (str): The mode of auto tune when op building, get the best tiling performance,

mindspore/dataset/engine/cache_client.py

@@ -26,8 +26,7 @@ class DatasetCache:
     """
     A client to interface with tensor caching service.
 
-    For details, please check `Tutorial <https://www.mindspore.cn/tutorial/training/en/master/advanced_use/
-    enable_cache.html>`_, `Programming guide <https://www.mindspore.cn/doc/programming_guide/en/master/cache.html>`_.
+    For details, please check `Programming guide <https://www.mindspore.cn/docs/programming_guide/en/r1.3/cache.html>`_.
 
     Args:
         session_id (int): A user assigned session id for the current pipeline.

mindspore/ops/operations/nn_ops.py

@@ -3718,7 +3718,7 @@ class LSTM(PrimitiveWithInfer):
     Performs the Long Short-Term Memory (LSTM) on the input.
 
     For detailed information, please refer to `nn.LSTM
-    <https://www.mindspore.cn/doc/api_python/zh-CN/master/mindspore/nn/mindspore.nn.LSTM.html>`_.
+    <https://www.mindspore.cn/docs/api/zh-CN/r1.3/api_python/nn/mindspore.nn.LSTM.html>`_.
 
     Args:
         input_size (int): Number of features of input.