diff --git a/package.json b/package.json
index 01ad9e2..49a2dc4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "finalshelf",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
@@ -46,4 +46,4 @@
     "typescript": "~5.2.2",
     "typescript-eslint": "8.18.0"
   }
-}
+}
\ No newline at end of file
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index a600e17..f057c5a 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -957,7 +957,7 @@ dependencies = [
 
 [[package]]
 name = "finalshelf"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "chrono",
  "diesel",
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 90b84b4..212f37d 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "finalshelf"
-version = "0.3.0"
+version = "0.3.1"
 description = "A Tauri App"
 authors = ["you"]
 edition = "2021"
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index ffe812a..056cc79 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -14,6 +14,8 @@ use commands::{
 };
 
 fn main() {
+    println!("Starting Tauri application...");
+
     tauri::Builder::default()
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_shell::init())
diff --git a/src-tauri/src/scanner.rs b/src-tauri/src/scanner.rs
index 00038a9..8f14131 100644
--- a/src-tauri/src/scanner.rs
+++ b/src-tauri/src/scanner.rs
@@ -5,7 +5,7 @@ use std::{
     time::{Instant, SystemTime, UNIX_EPOCH},
 };
 
-use chrono::{DateTime, NaiveDateTime};
+use chrono::{Date, DateTime, NaiveDateTime, Utc};
 use id3::{Tag, TagLike};
 use rusqlite::Result;
 use walkdir::WalkDir;
@@ -15,7 +15,8 @@ use crate::{
     services::{
         absolute_paths_service::get_current_absolute_path,
         authors_service::{add_author, is_author_exists},
-        books_service::{add_book, is_book_exists},
+        // Added get_all_book_paths to the import
+        books_service::{add_book, get_all_book_paths, is_book_exists},
     },
 };
 
@@ -49,42 +50,70 @@ fn look_for_author_photo(path: &str, name: &str, base_path: &Path) -> String {
     look_for_cover(directory, base_path)
 }
 
-fn system_time_to_naive_date_time(option_time: Option<SystemTime>) -> Option<NaiveDateTime> {
-    option_time?
-        .duration_since(UNIX_EPOCH)
-        .ok()
-        .and_then(|duration| DateTime::from_timestamp(duration.as_secs() as i64, duration.subsec_nanos()))
-        .map(|datetime_utc| datetime_utc.naive_utc())
+fn system_time_to_naive_date_time(
+    create_time: Option<SystemTime>,
+    edit_time: Option<SystemTime>,
+) -> Option<NaiveDateTime> {
+    let create_data_time = DateTime::<Utc>::from(create_time?);
+    let edit_data_time = DateTime::<Utc>::from(edit_time?);
+
+    if create_data_time > edit_data_time {
+        Some(create_data_time.naive_utc())
+    } else {
+        Some(edit_data_time.naive_utc())
+    }
 }
 
 pub fn quick_scan() -> Result<(), String> {
-    let absolute_path = get_current_absolute_path();
+    let absolute_path_obj = get_current_absolute_path();
     let directory: String;
-    if let Some(absolute_path) = absolute_path {
+    if let Some(absolute_path) = absolute_path_obj {
         directory = absolute_path.absolute_path;
     } else {
         return Err("No path to scan".to_string());
     }
 
     println!("Quick scan in {}", directory);
-    let mut processed_dirs = HashSet::new();
     let start = Instant::now();
-
     let base_path = Path::new(&directory);
 
+    // Build the processed_dirs HashSet based on the absolute_path and file paths from the database.
+    let mut processed_dirs: HashSet<String> = match get_all_book_paths() {
+        Ok(relative_paths) => relative_paths
+            .into_iter()
+            .filter_map(|relative_path| {
+                // Get the parent directory of the relative path
+                Path::new(&relative_path).parent().map(|p| {
+                    // Construct the full absolute path and add it to the set
+                    base_path.join(p).to_string_lossy().to_string()
+                })
+            })
+            .collect(),
+        Err(e) => {
+            eprintln!(
+                "Could not pre-populate processed directories from DB: {}. Starting fresh.",
+                e
+            );
+            HashSet::new()
+        },
+    };
+
+    println!("Pre-populated processed directories: {:?}", processed_dirs);
+
     for entry in WalkDir::new(&directory).min_depth(1).into_iter().filter_map(Result::ok) {
         if let Some(mp3_path) = get_mp3_path(&entry) {
             if let Some(parent_path) = mp3_path.parent().and_then(Path::to_str) {
-                // Skip already processed directories
+                // Skip already processed directories.
+                // The set is now pre-populated with directories from the database.
                 if !processed_dirs.insert(parent_path.to_string()) {
                     continue;
                 }
 
-                // Process the MP3 file
+                // Process the metadata of the mp3 file
                 if let Ok(tag) = Tag::read_from_path(mp3_path) {
-                    let file_create_date = fs::metadata(mp3_path)
-                        .ok()
-                        .and_then(|metadata| system_time_to_naive_date_time(metadata.created().ok()));
+                    let file_create_date = fs::metadata(mp3_path).ok().and_then(|metadata| {
+                        system_time_to_naive_date_time(metadata.created().ok(), metadata.modified().ok())
+                    });
 
                     process_metadata(&tag, parent_path, file_create_date, base_path, mp3_path);
                 }
diff --git a/src-tauri/src/services/books_service.rs b/src-tauri/src/services/books_service.rs
index 84174fb..292f79d 100644
--- a/src-tauri/src/services/books_service.rs
+++ b/src-tauri/src/services/books_service.rs
@@ -195,3 +195,12 @@ pub fn get_books_by_score(limit: i64) -> Vec<Book> {
         .load::<Book>(conn)
         .expect("Error getting books by score")
 }
+
+pub fn get_all_book_paths() -> Result<Vec<String>, diesel::result::Error> {
+    let conn = &mut establish_connection();
+
+    dsl::books
+        .select(dsl::relative_file_path)
+        .load::<String>(conn)
+        .map_err(|e| e.into())
+}
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index a4a8546..35cb924 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -18,7 +18,7 @@
   },
   "productName": "finalshelf",
   "mainBinaryName": "finalshelf",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "identifier": "com.finalshelf.app",
   "plugins": {},
   "app": {