diff --git a/web/app/controllers/problem_list.php b/web/app/controllers/problem_list.php
index 9a1fd54..20e0d33 100644
--- a/web/app/controllers/problem_list.php
+++ b/web/app/controllers/problem_list.php
@@ -97,7 +97,7 @@ EOD;
 	if (isset($_COOKIE['show_difficulty'])) {
 		$header .= '<th class="text-center" style="width:3em;">'.UOJLocale::get('problems::difficulty').'</th>';
 	}
-	$header .= '<th class="text-center" style="width:170px;">'.UOJLocale::get('appraisal').'</th>';
+	$header .= '<th class="text-center" style="width:180px;">'.UOJLocale::get('appraisal').'</th>';
 	$header .= '</tr>';
 
 	$pag_config = array('page_len' => 40);
diff --git a/web/app/controllers/problem_set.php b/web/app/controllers/problem_set.php
index e38a7ff..ae4174f 100644
--- a/web/app/controllers/problem_set.php
+++ b/web/app/controllers/problem_set.php
@@ -140,7 +140,7 @@ EOD;
 	if (isset($_COOKIE['show_difficulty'])) {
 		$header .= '<th class="text-center" style="width:3em;">'.UOJLocale::get('problems::difficulty').'</th>';
 	}
-	$header .= '<th class="text-center" style="width:170px;">'.UOJLocale::get('appraisal').'</th>';
+	$header .= '<th class="text-center" style="width:180px;">'.UOJLocale::get('appraisal').'</th>';
 	$header .= '</tr>';
 	
 	$tabs_info = array(