diff --git a/_includes/comments/remark42.html b/_includes/comments/remark42.html
index 8ab159e..f17e91d 100644
--- a/_includes/comments/remark42.html
+++ b/_includes/comments/remark42.html
@@ -6,7 +6,7 @@
 
         max_shown_comments: 10,
         // theme: 'light',
-        theme: document.documentElement.hasAttribute("data-mode")? "dark": "light",
+        theme: document.documentElement.hasAttribute("data-mode") ? "dark" : "light",
 
         locale: 'en',
         show_email_subscription: false
@@ -22,7 +22,19 @@
         }
     })(remark_config.components || ['embed']);
 
+    var targetDiv = document.getElementById("sidebar").getElementsByClassName("mode-toggle")[0];
+
+    if (targetDiv != null) {
+        targetDiv.addEventListener("click", () => {
+            if (document.documentElement.hasAttribute("data-mode")) {
+                window.REMARK42.changeTheme('dark');
+            } else {
+                window.REMARK42.changeTheme('light');
+            }
+        })
+    }
+
 </script>
 
 <div id="remark42">
-</div>
+</div>
\ No newline at end of file