diff --git a/tutorials/source_en/debug/pynative.md b/tutorials/source_en/debug/pynative.md
index d2ffdf07a29bb892ba31ca737b69605c6f1c05d0..1a987cade2cdc734a865c20257da3b0e13d34883 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 26c1e5d5a661f259951905bd2aed7857fc606f8e..35e37d9b1459127cfc3885ad0c44aee85c745828 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)。