feat: fix compile issue

src/main.rs

@@ -135,7 +135,7 @@ fn read_file_and_digest(script_file: &str) -> (String, String) {
     let script_content = fs::read_to_string(script_file).unwrap_or_else(|e|
         failure_and_exit!("Read file: {}, failed: {}", script_file, e)
     );
-    let script_sha256 = sha256::digest(&script_content);
+    let script_sha256 = sha256::digest(script_content.as_str());
 
     (script_content, script_sha256)
 }