diff --git a/docs/en/11-data-subscription/index.md b/docs/en/11-data-subscription/index.md
index 10705f4dae769848638c6590c54d60a4548fb500..a272a0c2df83ed62e290020aeac3fe4b12e70f20 100644
--- a/docs/en/11-data-subscription/index.md
+++ b/docs/en/11-data-subscription/index.md
@@ -170,7 +170,7 @@ set TDENGINE_CLOUD_TMQ=<TDENGINE_CLOUD_TMQ>
 </TabItem>
 <TabItem value="Powershell" label="Powershell">
 
-```shell
+```powershell
 $env:TDENGINE_CLOUD_TMQ='<TDENGINE_CLOUD_TMQ>'
 ```
 
@@ -203,7 +203,7 @@ set TDENGINE_CLOUD_TOKEN=<TDENGINE_CLOUD_TOKEN>
 </TabItem>
 <TabItem value="Powershell" label="Powershell">
 
-```shell
+```powershell
 $env:TDENGINE_CLOUD_ENDPOINT='<TDENGINE_CLOUD_ENDPOINT>'
 $env:TDENGINE_CLOUD_TOKEN='<TDENGINE_CLOUD_TOKEN>'
 ```
diff --git a/docs/en/15-programming/01-connect/01-python.md b/docs/en/15-programming/01-connect/01-python.md
index 3a73fd6906621905d778272f2468da41fcbf31c4..d2206011d277a19f904afc0182d63910cc95ab26 100644
--- a/docs/en/15-programming/01-connect/01-python.md
+++ b/docs/en/15-programming/01-connect/01-python.md
@@ -46,17 +46,17 @@ export TDENGINE_CLOUD_URL="<url>"
 </TabItem>
 <TabItem value="cmd" label="CMD">
 
-```bash
-set TDENGINE_CLOUD_TOKEN="<token>"
-set TDENGINE_CLOUD_URL="<url>"
+```shell
+set TDENGINE_CLOUD_TOKEN=<token>
+set TDENGINE_CLOUD_URL=<url>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_CLOUD_TOKEN="<token>"
-$env:TDENGINE_CLOUD_URL="<url>"
+$env:TDENGINE_CLOUD_TOKEN='<token>'
+$env:TDENGINE_CLOUD_URL='<url>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/02-java.md b/docs/en/15-programming/01-connect/02-java.md
index 113311bc7a45b924e201390ff1a4451e1b7434ed..8cf91a7dd078089af77788ee7a731bbaefe4fdb0 100644
--- a/docs/en/15-programming/01-connect/02-java.md
+++ b/docs/en/15-programming/01-connect/02-java.md
@@ -45,14 +45,14 @@ export TDENGINE_JDBC_URL="<jdbcURL>"
 </TabItem>
 <TabItem value="cmd" label="CMD">
 
-```bash
-set TDENGINE_JDBC_URL="<jdbcURL>"
+```shell
+set TDENGINE_JDBC_URL=<jdbcURL>
 ```
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_JDBC_URL="<jdbcURL>"
+$env:TDENGINE_JDBC_URL='<jdbcURL>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/03-go.md b/docs/en/15-programming/01-connect/03-go.md
index 841f42c475ba0ae702b157858fbf057700585b67..396bcf260555186d626831182a0257f81dc60641 100644
--- a/docs/en/15-programming/01-connect/03-go.md
+++ b/docs/en/15-programming/01-connect/03-go.md
@@ -38,14 +38,14 @@ export TDENGINE_GO_DSN="<goDSN>"
 <TabItem value="cmd" label="CMD">
 
 ```bash
-set TDENGINE_GO_DSN="<goDSN>"
+set TDENGINE_GO_DSN=<goDSN>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_GO_DSN="<goDSN>"
+$env:TDENGINE_GO_DSN='<goDSN>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/04-rust.md b/docs/en/15-programming/01-connect/04-rust.md
index 23e51383e5042766b1decf428aebbea380d75489..18a86a6d3045c4a72d14a5b8338913d730752770 100644
--- a/docs/en/15-programming/01-connect/04-rust.md
+++ b/docs/en/15-programming/01-connect/04-rust.md
@@ -44,14 +44,14 @@ export TDENGINE_CLOUD_DSN="<DSN>"
 <TabItem value="cmd" label="CMD">
 
 ```bash
-set TDENGINE_CLOUD_DSN="<DSN>"
+set TDENGINE_CLOUD_DSN=<DSN>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_CLOUD_DSN="<DSN>"
+$env:TDENGINE_CLOUD_DSN='<DSN>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/05-node.md b/docs/en/15-programming/01-connect/05-node.md
index efd781fc460dbe9a26f2ab350de6b63e80974220..0da4b809581b078378b47635e2c3c9d830d4ad2f 100644
--- a/docs/en/15-programming/01-connect/05-node.md
+++ b/docs/en/15-programming/01-connect/05-node.md
@@ -29,16 +29,16 @@ export TDENGINE_CLOUD_URL="<url>"
 <TabItem value="cmd" label="CMD">
 
 ```bash
-set TDENGINE_CLOUD_TOKEN="<token>"
-set TDENGINE_CLOUD_URL="<url>"
+set TDENGINE_CLOUD_TOKEN=<token>
+set TDENGINE_CLOUD_URL=<url>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_CLOUD_TOKEN="<token>"
-$env:TDENGINE_CLOUD_URL="<url>"
+$env:TDENGINE_CLOUD_TOKEN='<token>'
+$env:TDENGINE_CLOUD_URL='<url>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/06-csharp.md b/docs/en/15-programming/01-connect/06-csharp.md
index 5907e3a9f027afab2007ca330101817e9cba9174..ca28d05d82a3f527b051ff1a616b883037e39d26 100644
--- a/docs/en/15-programming/01-connect/06-csharp.md
+++ b/docs/en/15-programming/01-connect/06-csharp.md
@@ -50,14 +50,14 @@ export TDENGINE_CLOUD_DSN="<DSN>"
 <TabItem value="cmd" label="CMD">
 
 ```bash
-set TDENGINE_CLOUD_DSN="<DSN>"
+set TDENGINE_CLOUD_DSN=<DSN>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_CLOUD_DSN="<DSN>"
+$env:TDENGINE_CLOUD_DSN='<DSN>'
 ```
 
 </TabItem>
diff --git a/docs/en/15-programming/01-connect/09-rest-api.md b/docs/en/15-programming/01-connect/09-rest-api.md
index 97e0e7a93857d8e94e5386c14e6ab3387623c303..67ecc30b9d4a5ec1f12fa634b1c28c4c1aa387fe 100644
--- a/docs/en/15-programming/01-connect/09-rest-api.md
+++ b/docs/en/15-programming/01-connect/09-rest-api.md
@@ -25,16 +25,16 @@ export TDENGINE_CLOUD_URL="<url>"
 <TabItem value="cmd" label="CMD">
 
 ```bash
-set TDENGINE_CLOUD_TOKEN="<token>"
-set TDENGINE_CLOUD_URL="<url>"
+set TDENGINE_CLOUD_TOKEN=<token>
+set TDENGINE_CLOUD_URL=<url>
 ```
 
 </TabItem>
 <TabItem value="powershell" label="Powershell">
 
 ```powershell
-$env:TDENGINE_CLOUD_TOKEN="<token>"
-$env:TDENGINE_CLOUD_URL="<url>"
+$env:TDENGINE_CLOUD_TOKEN='<token>'
+$env:TDENGINE_CLOUD_URL='<url>'
 ```
 
 </TabItem>