diff --git a/docs-en/05-develop/01-connect/03-go.md b/docs-en/05-develop/01-connect/03-go.md
index f1cd8118ca5e514a732d0e53b84eb7678ec4ed2b..b8fce4aaeef3302317b77df93596f55b354521db 100644
--- a/docs-en/05-develop/01-connect/03-go.md
+++ b/docs-en/05-develop/01-connect/03-go.md
@@ -37,7 +37,7 @@ import (
 )
 
 func main() {
-    host := os.Getenv("TDENGIN_TOKEN")
+    token := os.Getenv("TDENGIN_TOKEN")
     taosDSN := "https://cloud.taosdata.com?token=" + token
     taos, err := sql.Open("taosRestful", taosDSN)
     if err != nil {