docs: change varaible name

docs-en/05-develop/01-connect/01-python.md

@@ -18,7 +18,7 @@ You'll need to have Python3 installed.
 Run this command in your terminal to save TDengine cloud token as variables:
 
 ```bash
-export TDENGINE_TOKEN=<token>
+export TDENGINE_CLOUD_TOKEN=<token>
 ```
 
 <!-- exclude -->
@@ -36,7 +36,7 @@ Copy code bellow to your editor and run it with `python3` command.
 import taosrest
 import os
 
-token = os.environ["TDENGINE_TOKEN"]
+token = os.environ["TDENGINE_CLOUD_TOKEN"]
 url = "https://cloud.tdengine.com"
 
 conn = taosrest.connect(url=url, token=token)

docs-en/05-develop/01-connect/02-java.md

@@ -29,7 +29,7 @@ Run this command in your terminal to save TDengine cloud token as variables:
 
 
 ```bash
-export TDENGINE_TOKEN=<token>
+export TDENGINE_CLOUD_TOKEN=<token>
 ```
 
 ## Connect
@@ -43,7 +43,7 @@ import java.sql.SQLException;
 
 public class ConnectCloudExample {
     public static void main(String[] args) throws SQLException {
-        String token = System.getenv("TDENGINE_TOKEN");
+        String token = System.getenv("TDENGINE_CLOUD_TOKEN");
         String jdbcUrl = "jdbc:TAOS-RS://cloud.taosdata.com:8085?usessl=true&token=" + token;
         Connection conn = DriverManager.getConnection(jdbcUrl);
         System.out.println("Connected");

docs-en/05-develop/01-connect/03-go.md

@@ -20,7 +20,7 @@ require github.com/taosdata/driver-go/v2 develop
 Run this command in your terminal to save TDengine cloud token as variables:
 
 ```bash
-export TDENGINE_TOKEN=<token>
+export TDENGINE_CLOUD_TOKEN=<token>
 ```
 
 ## Connect
@@ -37,7 +37,7 @@ import (
 )
 
 func main() {
-    token := os.Getenv("TDENGIN_TOKEN")
+    token := os.Getenv("TDENGINE_CLOUD_TOKEN")
     taosDSN := "https://cloud.taosdata.com?token=" + token
     taos, err := sql.Open("taosRestful", taosDSN)
     if err != nil {

docs-en/05-develop/01-connect/04-rust.md

@@ -15,7 +15,7 @@ title: Connect with Rust Connector
 Run this command in your terminal to save TDengine cloud token as variables:
 
 ```bash
-export TDENGINE_TOKEN=<token>
+export TDENGINE_CLOUD_TOKEN=<token>
 ```
 
 ## Connect
@@ -24,7 +24,7 @@ export TDENGINE_TOKEN=<token>
 use libtaos::*;
 
 fn main() {
-    let token =  std::env::var("TDENGINE_TOKEN").unwrap();
+    let token =  std::env::var("TDENGINE_CLOUD_TOKEN").unwrap();
     let dsn = format!("https://cloud.tdengine.com?token={}", token);
     let taos = Taos::from_dsn(dsn)?;
 }

docs-en/05-develop/01-connect/05-node.md

@@ -12,7 +12,7 @@ title: Connect with Node.js Connector
 Run this command in your terminal to save TDengine cloud token as variables:
 
 ```bash
-export TDENGINE_TOKEN=<token>
+export TDENGINE_CLOUD_TOKEN=<token>
 ```
 
 
@@ -24,7 +24,7 @@ const { options, connect } = require("td2.0-rest-connector");
 
 async function test() {
   options.url = "https://cloud.tdengine.com";
-  options.token = process.env.TDENGIN_TOKEN;
+  options.token = process.env.TDENGINE_CLOUD_TOKEN;
   let conn = connect(options);
 }
 test();