diff --git a/background.js b/background.js
index 446bf0bc..adb86553 100644
--- a/background.js
+++ b/background.js
@@ -100,12 +100,14 @@ function submitVote(type, UUID, callback) {
       } else if (xmlhttp.readyState == 4 && xmlhttp.status == 405) {
         //duplicate vote
         callback({
-          successType: 0
+          successType: 0,
+          statusCode: xmlhttp.status
         });
       } else if (error) {
         //error while connect
         callback({
-          successType: -1
+          successType: -1,
+          statusCode: xmlhttp.status
         });
       }
     })
diff --git a/content.js b/content.js
index c9262d99..381a0932 100644
--- a/content.js
+++ b/content.js
@@ -710,8 +710,13 @@ function vote(type, UUID) {
         //failure: duplicate vote
         addLoadingInfo("It seems you've already voted before", UUID)
       } else if (response.successType == -1) {
-        //failure: duplicate vote
-        addLoadingInfo("A connection error has occured.", UUID)
+        if (response.statusCode == 502) {
+          addLoadingInfo("It seems the sever is down. Contact the dev immediately.", UUID)
+        } else {
+          //failure: unknown error
+          addLoadingInfo("A connection error has occured. Error code: " + response.statusCode, UUID)
+        }
+        
       }
     }
   });
diff --git a/popup.js b/popup.js
index f4f1c6f8..37800636 100644
--- a/popup.js
+++ b/popup.js
@@ -750,8 +750,12 @@ function vote(type, UUID) {
         //failure: duplicate vote
         addVoteMessage("You have already voted this way before.", UUID)
       } else if (response.successType == -1) {
-        //failure: duplicate vote
-        addVoteMessage("A connection error has occured.", UUID)
+        if (response.statusCode == 502) {
+          addVoteMessage("It seems the sever is down. Contact the dev immediately.", UUID)
+        } else {
+          //failure: unknown error
+          addVoteMessage("A connection error has occured. Error code: " + response.statusCode, UUID)
+        }
       }
     }
   });