diff --git a/README.md b/README.md
index 31ec405..9dfa46d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ ESSL is a script to quickly obtain SSL certificates for your domains. It support
 
 1. **Download and Install the Script:**
    ```bash
-   sudo bash -c "$(curl -sL https://raw.githubusercontent.com/erfjab/ESSL/master/essl.sh)" --install
+   sudo bash -c "$(curl -sL https://raw.githubusercontent.com/erfjab/ESSL/master/essl.sh)" @ --install
    ```
 
 2. **Run the Script:**
diff --git a/essl.sh b/essl.sh
index 84c84dc..2054f90 100644
--- a/essl.sh
+++ b/essl.sh
@@ -180,7 +180,7 @@ main() {
             exit 0
             ;;
         --version|-v)
-            print "v3.0.1"
+            print "currect essl version: v3.0.1"
             exit 0
             ;;esac