diff --git a/application/controllers/test.php b/application/controllers/test.php
index 4db89632..f66a6e05 100644
--- a/application/controllers/test.php
+++ b/application/controllers/test.php
@@ -14,7 +14,7 @@ class Test extends CI_Controller
 
     }
 
-    // https://cht.mycht.cn/info.php/test/feedback/?tag=%3C!--%40FEEDBACK_(.*)%40--%3E
+    // https://cht.mycht.cn/info.php/test/feedback/?tag=%3Chtml%3E%3Cdiv%3E%3C!--%40FEEDBACK_Shanghai%40--%3E%3C%2Fdiv%3E%3C%2Fhtml%3E
     public function feedback()
     {
         $tag = $this->input->get_post('tag');
@@ -26,8 +26,9 @@ class Test extends CI_Controller
         if (!empty($feedback_array)) {
             foreach ($feedback_array[0] as $index => $tag_name) {
                 $city_name = $feedback_array[1][$index];
-                echo $city_name.'<br>';
-                echo htmlentities($tag_name).'<br>';
+                echo 'city_name: '.$city_name.'<br>';
+                echo 'tag_name: '.htmlentities($tag_name).'<br>';
+                echo 'feedback_data: <br>';
                 $feedback_data = $this->feedback_model->get_feedback_by_city($city_name);
                 var_dump($feedback_data);
                 $feedback_content = $this->load->view(