diff --git a/bin/src/modules/hook/error/mod.rs b/bin/src/modules/hook/error/mod.rs
index 0563750e5..2595f64d1 100644
--- a/bin/src/modules/hook/error/mod.rs
+++ b/bin/src/modules/hook/error/mod.rs
@@ -10,10 +10,10 @@ pub mod bhe4_runtime_error;
 fn get_offset(content: &str, location: Position) -> usize {
     let mut offset = 0;
     for (i, line) in content.lines().enumerate() {
-        if i == location.line().expect("location should have a line number") {
+        if i + 1 == location.line().expect("location should have a line number") {
             offset += location
                 .position()
-                .expect("location should have a column number");
+                .expect("location should have a column number") - 1;
             break;
         }
         offset += line.len() + 1;
diff --git a/bin/src/modules/sign.rs b/bin/src/modules/sign.rs
index 70bcb0c69..d90a3c272 100644
--- a/bin/src/modules/sign.rs
+++ b/bin/src/modules/sign.rs
@@ -11,6 +11,7 @@ use hemtt_workspace::{
     addons::Location,
     reporting::{Code, Diagnostic},
 };
+use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 
 use crate::{context::Context, error::Error, report::Report};
 
@@ -76,7 +77,7 @@ impl Module for Sign {
                 .join("keys")
                 .join(format!("{authority}.bikey")),
         )?)?;
-        ctx.addons().to_vec().iter().try_for_each(|addon| {
+        ctx.addons().to_vec().par_iter().try_for_each(|addon| {
             let pbo_name = addon.pbo_name(ctx.config().prefix());
             let (mut pbo, sig_location, key) = match addon.location() {
                 Location::Addons => {