diff --git a/src/main/twirl/gitbucket/core/helper/diff.scala.html b/src/main/twirl/gitbucket/core/helper/diff.scala.html
index ce58086..fb7d1dd 100644
--- a/src/main/twirl/gitbucket/core/helper/diff.scala.html
+++ b/src/main/twirl/gitbucket/core/helper/diff.scala.html
@@ -335,7 +335,11 @@
         .append(renderStatBar(add, del).attr('title', (add + del) + " lines changed").tooltip());
 
     @if(hasWritePermission) {
-      diffText.find('.body').each(function(){ $('<b class="add-comment">+</b>').prependTo(this); });
+      diffText.find('.body').filter(function(i, e) {
+        return $(e).has('span').length > 0;
+      }).each(function(){
+        $('<b class="add-comment">+</b>').prependTo(this);
+      });
     }
     @if(showLineNotes){
       var fileName = table.attr('filename');
diff --git a/src/main/twirl/gitbucket/core/repo/commentform.scala.html b/src/main/twirl/gitbucket/core/repo/commentform.scala.html
index 7d06501..e7df47b 100644
--- a/src/main/twirl/gitbucket/core/repo/commentform.scala.html
+++ b/src/main/twirl/gitbucket/core/repo/commentform.scala.html
@@ -140,6 +140,14 @@
     }
 
     function getDiffData(tr){
+      if(window.viewType === 0) {
+        return getDiffDataOnSplitMode(tr);
+      } else {
+        return getDiffDataOnUnifiedMode(tr);
+      }
+    }
+
+    function getDiffDataOnUnifiedMode(tr) {
       var result = [];
       var count = 0;
 
@@ -147,16 +155,19 @@
         var oldTh = tr.find('th.oldline');
         var newTh = tr.find('th.newline');
 
-        if(!oldTh.attr('line-number') && !newTh.attr('line-number')){
+        var oldLineNumber = oldTh.attr('line-number');
+        var newLineNumber = newTh.attr('line-number');
+
+        if(!oldLineNumber && !newLineNumber){
           break;
         }
 
         result.unshift({
-          'oldLine': oldTh.attr('line-number'),
-          'newLine': newTh.attr('line-number'),
+          'oldLine': oldLineNumber,
+          'newLine': newLineNumber,
           'type': tr.has('td.insert').length > 0 ? 'insert' : tr.has('td.delete').length > 0 ? 'delete' : 'equal',
           'text': tr.find('td span').text()
-        })
+        });
 
         tr = tr.prev('tr:has(th.line-num)');
         count++;
@@ -164,5 +175,55 @@
 
       return result;
     }
+
+    function getDiffDataOnSplitMode(tr) {
+      var result = [];
+      var count = 0;
+
+      while(tr && count < 4){
+        var oldTh = tr.find('th.oldline');
+        var newTh = tr.find('th.newline');
+
+        var oldLineNumber = oldTh.attr('line-number');
+        var newLineNumber = newTh.attr('line-number');
+
+        if(!oldLineNumber && !newLineNumber){
+          break;
+        }
+
+        var oldTd = oldTh.next();
+        var newTd = newTh.next();
+
+        if (oldTd.hasClass('equal') && newTd.hasClass('equal')) {
+          result.unshift({
+            'oldLine': oldLineNumber,
+            'newLine': newLineNumber,
+            'type': 'equal',
+            'text': newTd.find('span').text()
+          });
+          count++;
+        } else {
+          if(newLineNumber) {
+            result.unshift({
+              'newLine': newLineNumber,
+              'type': 'insert',
+              'text': newTd.find('span').text()
+            });
+            count++;
+          }
+          if(oldLineNumber) {
+            result.unshift({
+              'oldLine': oldLineNumber,
+              'type': 'delete',
+              'text': oldTd.find('span').text()
+            });
+            count++;
+          }
+        }
+        tr = tr.prev('tr:has(th.line-num)');
+      }
+
+      return result;
+    }
   </script>
 }