diff --git a/docs/en/02-intro/index.md b/docs/en/02-intro/index.md
index 20840883523607512bd8c21643d49c5b50d3a528..a60bfab2ccd30fb585d72ee14054029b1c176a66 100644
--- a/docs/en/02-intro/index.md
+++ b/docs/en/02-intro/index.md
@@ -23,8 +23,8 @@ The major features are listed below:
 4. [Stream Processing](../develop/stream/): Not only is the continuous query is supported, but TDengine also supports event driven stream processing, so Flink or Spark is not needed for time-series data processing.
 5. [Data Subscription](../develop/tmq/): Application can subscribe a table or a set of tables. API is the same as Kafka, but you can specify filter conditions.
 6. Visualization
-   - Supports seamless integration with [Grafana](../third-party/grafana/) for visualization.
-   - Supports seamless integration with Google Data Studio.
+   - Supports seamless integration with [Grafana](../third-party/grafana/).
+   - Supports seamless integration with [Google Data Studio](../third-party/google-data-studio/).
 7. Cluster
    - Supports [cluster](../deployment/) with the capability of increasing processing power by adding more nodes.
    - Supports [deployment on Kubernetes](../deployment/k8s/).
@@ -33,7 +33,7 @@ The major features are listed below:
    - Provides [monitoring](../operation/monitor) on running instances of TDengine.
    - Provides many ways to [import](../operation/import) and [export](../operation/export) data.
 9. Tools
-   - Provides an interactive [Command-line Interface (CLI)](../reference/taos-shell) for management, maintenance and ad-hoc queries.
+   - Provides an interactive [Command Line Interface (CLI)](../reference/taos-shell) for management, maintenance and ad-hoc queries.
    - Provides a tool [taosBenchmark](../reference/taosbenchmark/) for testing the performance of TDengine.
 10. Programming
     - Provides [connectors](../reference/connector/) for [C/C++](../reference/connector/cpp), [Java](../reference/connector/java), [Python](../reference/connector/python), [Go](../reference/connector/go), [Rust](../reference/connector/rust), [Node.js](../reference/connector/node) and other programming languages.