diff --git a/fire_seq_search_server/src/load_notes/mod.rs b/fire_seq_search_server/src/load_notes/mod.rs
index 9f26d66..96d295e 100644
--- a/fire_seq_search_server/src/load_notes/mod.rs
+++ b/fire_seq_search_server/src/load_notes/mod.rs
@@ -25,7 +25,7 @@ pub fn retrive_note_list(server_info: &ServerInformation) -> Vec<NoteListItem> {
 }
 
 fn list_directory(path: Cow<'_, str>, recursive: bool) -> Vec<NoteListItem> {
-    info!("Listing directory {}", &path);
+    debug!("Listing directory {}", &path);
     let mut result = Vec::new();
 
     let path_ref: &str = path.borrow();
@@ -58,7 +58,6 @@ fn list_directory(path: Cow<'_, str>, recursive: bool) -> Vec<NoteListItem> {
 
         if file_type.is_dir() {
             if recursive {
-                info!("Recursive loop {:?}", &entry);
                 let next = list_directory(entry_path_str, true);
                 result.extend(next);
             }
@@ -87,6 +86,7 @@ fn list_directory(path: Cow<'_, str>, recursive: bool) -> Vec<NoteListItem> {
     return result;
 }
 
+/*
 pub fn read_all_notes(server_info: &ServerInformation) -> Vec<(String, String)> {
     // I should remove the unwrap and convert it into map
     let path: &str = &server_info.notebook_path;
@@ -140,84 +140,9 @@ pub fn read_all_notes(server_info: &ServerInformation) -> Vec<(String, String)>
 
 }
 
-pub fn read_specific_directory(path: &str) -> Vec<(String, String)> {
-    info!("Try to read {}", &path);
-    let notebooks = match std::fs::read_dir(path) {
-        Ok(x) => x,
-        Err(e) => {
-            error!("Fatal error ({:?}) when reading {}", e, path);
-            process::abort();
-        }
-    };
-    let mut note_filenames: Vec<DirEntry> = Vec::new();
-    for note in notebooks {
-        let note : DirEntry = note.unwrap();
-        note_filenames.push(note);
-    }
-    // debug!("Note titles: {:?}", &note_filenames);
-    let result: Vec<(String,String)> = note_filenames.par_iter()
-        .map(|note|  read_md_file_wo_parse(&note))
-        .filter(|x| (&x).is_some())
-        .map(|x| x.unwrap())
-        .collect();
-    info!("Loaded {} notes from {}", result.len(), path);
-    // info!("After map {:?}", &result);
-
-    result
-}
-
-
-
 
-///
-///
-/// # Arguments
-///
-/// * `note`:
-///
-/// returns: Option<(String, String)>
-///
-/// First: title (filename)
-/// Second: full raw text
-///
-/// I would delay the parsing job, so it could be couples with server info. -Zhenbo Li 2023-02-17
-/// If input is a directory or DS_STORE, return None
-///
-pub fn read_md_file_wo_parse(note: &std::fs::DirEntry) -> Option<(String, String)> {
-    if let Ok(file_type) = note.file_type() {
-        // Now let's show our entry's file type!
-        debug!("{:?}: {:?}", note.path(), file_type);
-        if file_type.is_dir() {
-            debug!("{:?} is a directory, skipping", note.path());
-            return None;
-        }
-    } else {
-        warn!("Couldn't get file type for {:?}", note.path());
-        return None;
-    }
+*/
 
-    let note_path = note.path();
-    let note_title = match note_path.file_stem() {
-        Some(osstr) => osstr.to_str().unwrap(),
-        None => {
-            error!("Couldn't get file_stem for {:?}", note.path());
-            return None;
-        }
-    };
-    debug!("note title: {}", &note_title);
 
-    let content : String = match std::fs::read_to_string(&note_path) {
-        Ok(c) => c,
-        Err(e) => {
-            if note_title.to_lowercase() == ".ds_store" {
-                debug!("Ignore .DS_Store for mac");
-            } else {
-                error!("Error({:?}) when reading the file {:?}", e, note_path);
-            }
-            return None;
-        }
-    };
 
-    Some((note_title.to_string(),content))
-}
 
diff --git a/fire_seq_search_server/src/markdown_parser/mod.rs b/fire_seq_search_server/src/markdown_parser/mod.rs
index 26baf8a..62705ce 100644
--- a/fire_seq_search_server/src/markdown_parser/mod.rs
+++ b/fire_seq_search_server/src/markdown_parser/mod.rs
@@ -7,9 +7,9 @@ use crate::query_engine::ServerInformation;
 
 // https://docs.rs/regex/latest/regex/#repetitions
 // https://stackoverflow.com/a/8303552/1166518
-pub fn exclude_advanced_query(md: &str) -> Cow<str> {
+pub fn exclude_advanced_query(md: Cow<'_,str>) -> Cow<'_, str> {
     if !md.contains('#') {
-        return Cow::Borrowed(md);
+        return md;
     }
 
     lazy_static! {
@@ -17,8 +17,7 @@ pub fn exclude_advanced_query(md: &str) -> Cow<str> {
             r"\#\+BEGIN_QUERY[\S\s]+?\#\+END_QUERY")
             .unwrap();
     }
-    // return RE.replace_all(&md, "    ")
-    return RE.replace_all(&md, "    ");
+    return RE.replace_all(&md, "    ").into_owned().into();
 }
 
 fn hack_specific_chars_cow(text: Cow<str>) -> String {
@@ -27,7 +26,7 @@ fn hack_specific_chars_cow(text: Cow<str>) -> String {
     text.replace(bullet, " ")
 }
 
-pub fn parse_logseq_notebook(md: &str, title: &str, server_info: &ServerInformation) -> String {
+pub fn parse_logseq_notebook(md: Cow<'_,str>, title: &str, server_info: &ServerInformation) -> String {
     // Now we do some parsing for this file
     let content = exclude_advanced_query(md);
     let content = hack_specific_chars_cow(content);
@@ -50,4 +49,4 @@ fn hack_specific_chars(text: String) -> String {
     let bullet = char::from_u32(0x00002022).unwrap();
     // println!("{}", bullet);
     text.replace(bullet, " ")
-}
\ No newline at end of file
+}
diff --git a/fire_seq_search_server/src/query_engine/mod.rs b/fire_seq_search_server/src/query_engine/mod.rs
index 74fc011..c1cfd0b 100644
--- a/fire_seq_search_server/src/query_engine/mod.rs
+++ b/fire_seq_search_server/src/query_engine/mod.rs
@@ -7,6 +7,7 @@ use std::sync::Arc;
 
 
 
+use std::borrow::Cow;
 
 // This struct should be immutable when the program starts running
 #[derive(Debug, Clone, serde::Serialize)]
@@ -97,7 +98,9 @@ impl QueryEngine {
                 return;
             }
         };
-        let content = raw_content; // TODO parse file after read
+
+        let content = crate::markdown_parser::parse_logseq_notebook(
+            Cow::from(raw_content), &note.title, server_info);
 
         let schema = &document_setting.schema;
         let title = schema.get_field("title").unwrap();