Modify code block references

Author: fufu0615

python/paddle/tensor/manipulation.py

@@ -2818,7 +2818,7 @@ def tensor_split(
 
     Examples:
         .. code-block:: python
-            :name: code-example-1
+            :name: tensor-split-example-1
 
             >>> import paddle
 
@@ -2835,7 +2835,7 @@ def tensor_split(
         .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/tensor_split-2.png
 
         .. code-block:: python
-            :name: code-example-2
+            :name: tensor-split-example-2
 
             >>> import paddle
 
@@ -2853,7 +2853,7 @@ def tensor_split(
         .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/tensor_split-3.png
 
         .. code-block:: python
-            :name: code-example-3
+            :name: tensor-split-example-3
 
             >>> import paddle
 
@@ -2871,7 +2871,7 @@ def tensor_split(
         .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/tensor_split-4.png
 
         .. code-block:: python
-            :name: code-example-4
+            :name: tensor-split-example-4
 
             >>> import paddle
 
@@ -2887,7 +2887,7 @@ def tensor_split(
         .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/tensor_split-5.png
 
         .. code-block:: python
-            :name: code-example-5
+            :name: tensor-spilt-example-5
 
             >>> import paddle