diff --git a/webapp/models/User.php b/webapp/models/User.php
index 1d9556ec..5b0c3729 100644
--- a/webapp/models/User.php
+++ b/webapp/models/User.php
@@ -264,6 +264,28 @@ class User extends BaseModel {
                 }
             }
         }
+        for ($i = 0; $i < $len - 1; $i++) {
+            for ($j = $i + 1; $j < $len; $j++) {
+                if ($users[$i]['score'] == $users[$j]['score'] &&
+                    $users[$i]['score_modifytime'] > $users[$j]['score_modifytime']) {
+                    $tmp = $users[$i];
+                    $users[$i] = $users[$j];
+                    $users[$j] = $tmp;
+                }
+            }
+        }
+        for ($i = 0; $i < $len - 1; $i++) {
+            for ($j = $i + 1; $j < $len; $j++) {
+                if ($users[$i]['score'] == $users[$j]['score'] &&
+                    $users[$i]['score_modifytime'] == $users[$j]['score_modifytime'] &&
+                    $users[$i]['idx'] < $users[$j]['idx']
+                ) {
+                    $tmp = $users[$i];
+                    $users[$i] = $users[$j];
+                    $users[$j] = $tmp;
+                }
+            }
+        }
         return $users;
     }