From 6ba9ecb4f9d45a5b72f59570ac9a0a2f4c7ef4f7 Mon Sep 17 00:00:00 2001
From: dingbo <dingbo8128@163.com>
Date: Fri, 17 Jun 2022 11:25:45 +0800
Subject: [PATCH] docs: rust

---
 docs/en/05-develop/01-connect/04-rust.md                    | 6 +++---
 .../rust/{cloud_example => cloud-example}/Cargo.toml        | 4 ++--
 .../rust/{cloud_example => cloud-example}/src/main.rs       | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)
 rename docs/examples/rust/{cloud_example => cloud-example}/Cargo.toml (86%)
 rename docs/examples/rust/{cloud_example => cloud-example}/src/main.rs (79%)

diff --git a/docs/en/05-develop/01-connect/04-rust.md b/docs/en/05-develop/01-connect/04-rust.md
index a034b2d522..4cea7c0022 100644
--- a/docs/en/05-develop/01-connect/04-rust.md
+++ b/docs/en/05-develop/01-connect/04-rust.md
@@ -9,14 +9,14 @@ import TabItem from '@theme/TabItem';
 ## Create Project
 
 ```
-cargo new cloud_example
+cargo new --bin cloud-example
 ```
 ## Add Dependency
 
 Add dependency to `Cargo.toml`. 
 
 ```toml title="Cargo.toml"
-{{#include docs/examples/rust/cloud_example/Cargo.toml}}
+{{#include docs/examples/rust/cloud-example/Cargo.toml}}
 ```
 
 ## Config
@@ -59,7 +59,7 @@ Replace  <DSN\> with real TDengine cloud DSN. To obtain the real value, please l
 Copy following code to `main.rs`.
 
 ```rust title="main.rs"
-{{#include docs/examples/rust/cloud_example/src/main.rs}}
+{{#include docs/examples/rust/cloud-example/src/main.rs}}
 ```
 
 Then you can execute `cargo run` to test the connection.
\ No newline at end of file
diff --git a/docs/examples/rust/cloud_example/Cargo.toml b/docs/examples/rust/cloud-example/Cargo.toml
similarity index 86%
rename from docs/examples/rust/cloud_example/Cargo.toml
rename to docs/examples/rust/cloud-example/Cargo.toml
index f9e1e54a65..c0d8805520 100644
--- a/docs/examples/rust/cloud_example/Cargo.toml
+++ b/docs/examples/rust/cloud-example/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "cloud_example"
+name = "cloud-example"
 version = "0.1.0"
 edition = "2021"
 
@@ -9,4 +9,4 @@ edition = "2021"
 [dependencies]
 libtaos = { version="0.4.5-alpha.0", features=["rest"]}
 tokio = { version = "1", features = ["full"]}
-anyhow = "*"
+anyhow = "1.0.0" 
diff --git a/docs/examples/rust/cloud_example/src/main.rs b/docs/examples/rust/cloud-example/src/main.rs
similarity index 79%
rename from docs/examples/rust/cloud_example/src/main.rs
rename to docs/examples/rust/cloud-example/src/main.rs
index 2019c38952..54ebf5083f 100644
--- a/docs/examples/rust/cloud_example/src/main.rs
+++ b/docs/examples/rust/cloud-example/src/main.rs
@@ -3,7 +3,7 @@ use libtaos::*;
 
 #[tokio::main]
 async fn main() -> Result<()> {
-    let dsn = std::env::var("TDENGINE_CLOUD_DSN").unwrap();
+    let dsn = std::env::var("TDENGINE_CLOUD_DSN")?;
     let cfg = TaosCfg::from_dsn(dsn)?;
     let conn = cfg.connect()?;
     let _ = conn.query("show databases").await?;
-- 
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