diff --git a/tutorials/source_en/debug/pynative.md b/tutorials/source_en/debug/pynative.md
index cb29036564102198625490ca3bcf711fb995a2b0..7afc21f36ef3ec3a12b3cb68b25d47ae06ddce2e 100644
--- a/tutorials/source_en/debug/pynative.md
+++ b/tutorials/source_en/debug/pynative.md
@@ -175,7 +175,7 @@ When you need to see if the backpropagation accuracy is accurate under a dynamic
           return x
 
   net = Net()
-  output = mindspore.value_and_grad(net, grad_position=(0,1))(Tensor(np.ones([1]).astype(np.float32)))
+  output = mindspore.value_and_grad(net, grad_position=(0,))(Tensor(np.ones([1]).astype(np.float32)))
 
   print(output)
   ```
@@ -184,4 +184,4 @@ When you need to see if the backpropagation accuracy is accurate under a dynamic
 
 ## More Practical Examples
 
-Refer to [debugging case](https://www.hiascend.com/developer/blog/details/0229108045633055169).
\ No newline at end of file
+Refer to [debugging case](https://www.hiascend.com/developer/blog/details/0229108045633055169).
diff --git a/tutorials/source_zh_cn/debug/pynative.md b/tutorials/source_zh_cn/debug/pynative.md
index 44ad0e059ae3df66134976be545731ce61c8fb90..60c44ffb542e73d201e25063721345d7b357b2f3 100644
--- a/tutorials/source_zh_cn/debug/pynative.md
+++ b/tutorials/source_zh_cn/debug/pynative.md
@@ -175,7 +175,7 @@ def some_function():
           return x
 
   net = Net()
-  output = mindspore.value_and_grad(net, grad_position=(0,1))(Tensor(np.ones([1]).astype(np.float32)))
+  output = mindspore.value_and_grad(net, grad_position=(0,))(Tensor(np.ones([1]).astype(np.float32)))
 
   print(output)
   ```
@@ -184,4 +184,4 @@ def some_function():
 
 ## 更多实际案例
 
-参考[调试案例](https://www.hiascend.com/developer/blog/details/0229108045633055169)。
\ No newline at end of file
+参考[调试案例](https://www.hiascend.com/developer/blog/details/0229108045633055169)。