diff --git a/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/index.rst b/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/index.rst
index 8fc4b55..e0165d9 100644
--- a/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/index.rst
+++ b/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/index.rst
@@ -25,7 +25,7 @@ Flink Configuration Management
    :hidden: 
 
    configuring_parameter_paths
-   jobmanager_&_taskmanager
+   jobmanager_and_taskmanager
    blob
    distributed_coordination_via_akka
    ssl
diff --git a/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/jobmanager_&_taskmanager.rst b/doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/jobmanager_and_taskmanager.rst
similarity index 100%
rename from doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/jobmanager_&_taskmanager.rst
rename to doc/component-operation-guide-lts/source/using_flink/flink_configuration_management/jobmanager_and_taskmanager.rst
diff --git a/doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/hetuengine_function_plugin_development_and_application.rst b/doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/hetuengine_function_plugin_development_and_application.rst
similarity index 100%
rename from doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/hetuengine_function_plugin_development_and_application.rst
rename to doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/hetuengine_function_plugin_development_and_application.rst
diff --git a/doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/hive_udf_development_and_application.rst b/doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/hive_udf_development_and_application.rst
similarity index 100%
rename from doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/hive_udf_development_and_application.rst
rename to doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/hive_udf_development_and_application.rst
diff --git a/doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/index.rst b/doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/index.rst
similarity index 100%
rename from doc/component-operation-guide-lts/source/using_hetuengine/function_&_udf_development_and_application/index.rst
rename to doc/component-operation-guide-lts/source/using_hetuengine/function_and_udf_development_and_application/index.rst
diff --git a/doc/component-operation-guide-lts/source/using_hetuengine/index.rst b/doc/component-operation-guide-lts/source/using_hetuengine/index.rst
index 3bf3931..95bea5f 100644
--- a/doc/component-operation-guide-lts/source/using_hetuengine/index.rst
+++ b/doc/component-operation-guide-lts/source/using_hetuengine/index.rst
@@ -34,7 +34,7 @@ Using HetuEngine
    using_the_hetuengine_cross-source_function/index
    using_hetuengine_cross-domain_function/index
    using_a_third-party_visualization_tool_to_access_hetuengine/index
-   function_&_udf_development_and_application/index
+   function_and_udf_development_and_application/index
    introduction_to_hetuengine_logs
    hetuengine_performance_tuning/index
    common_issues_about_hetuengine/index