diff --git a/app/browser/buffer.py b/app/browser/buffer.py
index 8080715..28ad6ec 100644
--- a/app/browser/buffer.py
+++ b/app/browser/buffer.py
@@ -51,6 +51,8 @@ class AppBuffer(BrowserBuffer):
         self.buffer_widget.open_url_in_new_tab.connect(self.open_url_in_new_tab)
         self.buffer_widget.open_url_in_background_tab.connect(self.open_url_in_background_tab)
 
+        self.buffer_widget.urlChanged.connect(self.set_adblock)
+
         # Reset to default zoom when page init or url changed.
         self.reset_default_zoom()
         self.buffer_widget.urlChanged.connect(self.update_url)
@@ -58,3 +60,7 @@ class AppBuffer(BrowserBuffer):
     def update_url(self, url):
         self.reset_default_zoom()
         self.url = self.buffer_widget.url().toString()
+
+    def set_adblock(self, url):
+        if self.emacs_var_dict["eaf-browser-enable-adblock"] == "true":
+            self.buffer_widget.load_adblock()
diff --git a/core/browser.py b/core/browser.py
index 933503a..6800d31 100644
--- a/core/browser.py
+++ b/core/browser.py
@@ -51,7 +51,6 @@ class BrowserView(QWebEngineView):
         self.installEventFilter(self)
         self.buffer_id = buffer_id
         self.config_dir = config_dir
-        self.enable_adblock = True
 
         self.web_page = BrowserPage()
         self.setPage(self.web_page)
@@ -66,9 +65,6 @@ class BrowserView(QWebEngineView):
 
         self.load_cookie()
 
-        if self.enable_adblock:
-            self.load_css(os.path.join(os.path.dirname(__file__), "adblock.css"),'adblock')
-
         self.search_term = ""
 
         self.get_markers_raw = self.read_js_content("get_markers.js")
@@ -107,6 +103,9 @@ class BrowserView(QWebEngineView):
         script.setWorldId(QWebEngineScript.ApplicationWorld)
         self.web_page.scripts().insert(script)
 
+    def load_adblock(self):
+        self.load_css(os.path.join(os.path.dirname(__file__), "adblock.css"),'adblock')
+
     def remove_css(self, name, immediately):
         SCRIPT =  """
         (function() {
@@ -166,17 +165,19 @@ class BrowserView(QWebEngineView):
             self.web_page.findText(self.search_term, self.web_page.FindBackward)
         else:
             self.web_page.findText(self.search_term)
-            
+
     @interactive()
     def change_adblock_status(self):
         ''' Change adblock status.'''
-        if self.enable_adblock == True:
-            self.enable_adblock = False
+        if self.buffer.emacs_var_dict["eaf-browser-enable-adblock"] == "true":
+            self.buffer.emacs_var_dict["eaf-browser-enable-adblock"] = "false"
+            self.buffer.set_emacs_var.emit("eaf-browser-enable-adblock", "false")
             self.remove_css('adblock',True)
             self.buffer.message_to_emacs.emit("Successfully disabled adblock!")
-        elif self.enable_adblock == False:
-            self.enable_adblock = True
-            self.load_css(os.path.join(os.path.dirname(__file__), "adblock.css"),'adblock')
+        elif self.buffer.emacs_var_dict["eaf-browser-enable-adblock"] == "false":
+            self.buffer.emacs_var_dict["eaf-browser-enable-adblock"] = "true"
+            self.buffer.set_emacs_var.emit("eaf-browser-enable-adblock", "true")
+            self.load_adblock()
             self.buffer.message_to_emacs.emit("Successfully enabled adblock!")
 
     @interactive()
diff --git a/eaf.el b/eaf.el
index 878897c..a66311d 100644
--- a/eaf.el
+++ b/eaf.el
@@ -242,6 +242,7 @@ It must defined at `eaf-browser-search-engines'."
 (defcustom eaf-var-list
   '((eaf-camera-save-path . "~/Downloads")
     (eaf-browser-enable-plugin . "true")
+    (eaf-browser-enable-adblock . "true")
     (eaf-browser-enable-javascript . "true")
     (eaf-browser-remember-history . "true")
     (eaf-browser-default-zoom . "1.0")