diff --git a/README.md b/README.md
index b8c961d..c0ac704 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,10 @@
 ## Description :
 
 GabTag is a GTK software written in Python, it allows user to add or modify tags on audio files.
-It uses Mutagen to handle tags. I hope to make it available on Flathub as soon as possible.
+It uses Mutagen to handle tags. 
+
+Gabtag is available on flathub, at the link : 
+[link to Gabtag FlatHub Page!](https://flathub.org/apps/details/com.github.lachhebo.Gabtag)
 
 ## Features :
 
diff --git a/src/Crawler_dir.py b/src/Crawler_dir.py
index eb944dc..1422540 100644
--- a/src/Crawler_dir.py
+++ b/src/Crawler_dir.py
@@ -52,26 +52,6 @@ def run(self):
             thread_mbz3.start()
             thread_mbz4.start()
 
-            '''
-            while not self.data_crawler.is_finished(filelist):
-                time.sleep(0.3)
-                selection = self.model.selection
-                if selection != None :
-                    model, listiter = selection.get_selected_rows()
-                    print("model", len(listiter))
-                    if len(listiter) == 1:
-                        if model[listiter][0] in self.data_crawler.tag_finder and model[listiter][0] in self.data_crawler.lyrics:
-
-                            data_scrapped = self.data_crawler.get_tags(model, listiter, 0)
-                            lyrics_scrapped = self.data_crawler.get_lyrics(model, listiter, 0)
-
-                            print("data scrapped", data_scrapped)
-
-                            self.model.view.show_mbz(data_scrapped)
-                            self.model.view.show_lyrics(lyrics_scrapped)
-
-
-            '''
 
             thread_mbz1.join()
             thread_mbz2.join()
@@ -79,4 +59,20 @@ def run(self):
             thread_mbz4.join()
 
 
+    def isselectionequal(self,selec1,selec2):
+        model, listiter = selec1.get_selected_rows()
+        model2, listiter2 = selec2.get_selected_rows()
+        #print("la taille est :", len(listiter) )
+        #print("la taille autorisée :",self.lenselection )
+
+        if len(listiter) == len(listiter2) :
+            for i in range(len(listiter)):
+                namefilei = model[listiter[i]][0]
+                if namefilei != model2[listiter2[i]][0]:
+                    return False
+        else :
+            #print("why size ?")
+            return False
+
+        return True
 
diff --git a/src/data_crawler.py b/src/data_crawler.py
index 5fb6076..1827bba 100644
--- a/src/data_crawler.py
+++ b/src/data_crawler.py
@@ -1,5 +1,9 @@
 from os import walk
 
+from threading import RLock
+
+verrou = RLock()
+
 import musicbrainzngs as mb
 from PyLyrics import *
 
@@ -16,7 +20,7 @@ class __Data_Crawler :
 
         def __init__(self):
             try :
-                mb.set_useragent("GabTag", version = "1.0.5", contact = "ismael.lachheb@protonmail.com")
+                mb.set_useragent("GabTag", version = "1.3.1", contact = "ismael.lachheb@protonmail.com")
                 self.internet = True
             except :
                 self.internet = False
diff --git a/src/model.py b/src/model.py
index 9f440d2..a638c0a 100644
--- a/src/model.py
+++ b/src/model.py
@@ -42,6 +42,7 @@ def update_directory(self,directory,store):
             '''
             self.directory = directory
             self.update_list(store)
+            self.selection = None
             self.modification = {}
 
         def reset_all(self,selection):
@@ -230,11 +231,6 @@ def file_modified(self,namefile):
             return False
 
 
-
-
-
-
-
         def set_data_lyrics(self,selection):
 
             model, listiter = selection.get_selected_rows()
diff --git a/src/view.py b/src/view.py
index 9842585..6f1e257 100644
--- a/src/view.py
+++ b/src/view.py
@@ -103,7 +103,10 @@ def erase(self):
             self.artist.set_text("")
             self.year.set_text("")
             self.track.set_text("")
-
+            self.cover.set_from_icon_name('gtk-missing-image',6)
+            self.last_cover = ""
+            self.show_lyrics("")
+            self.show_mbz({ 'title':"", 'track':"",'album':"",'genre':"","artist":"","cover":"","year":""})
 
         def set_editibility_title(self, multiple_rows, title):
             if multiple_rows == 1 :
diff --git a/src/window.py b/src/window.py
index 0cd8db0..567edf4 100644
--- a/src/window.py
+++ b/src/window.py
@@ -156,14 +156,12 @@ def open_clicked(self, widget):
         model = Model.getInstance()
         if response == Gtk.ResponseType.OK:
             self.opened_directory = True
+            model.view.erase()
             self.data_crawler.update_directory(dialog.get_filename())
             model.update_directory(dialog.get_filename(),self.liststore1)
             thread = Crawler_Dir(model.directory,self.liststore1)
             thread.start()
 
-            model.save_modifications(self.selectionned)
-
-
         dialog.destroy()
 
         # List mp3 file on the folder on the tree view :