diff --git a/docs/mindquantum/docs/source_en/index.rst b/docs/mindquantum/docs/source_en/index.rst
index 3b5512ae7abd9857b60d703eb0e3de075a319f57..b1273218aa7efd6e9310aa75db7245e3dfcb5779 100644
--- a/docs/mindquantum/docs/source_en/index.rst
+++ b/docs/mindquantum/docs/source_en/index.rst
@@ -36,9 +36,10 @@ Typical Application Scenarios
    :caption: Guide
 
    parameterized_quantum_circuit
+   classification_of_iris_by_qnn
+   quantum_approximate_optimization_algorithm
    qnn_for_nlp
    vqe_for_quantum_chemistry
-   quantum_approximate_optimization_algorithm
    shor_algorithm
 
 .. toctree::