diff --git a/application/controllers/test.php b/application/controllers/test.php
index 7a7efa6b..fc7860b0 100644
--- a/application/controllers/test.php
+++ b/application/controllers/test.php
@@ -14,15 +14,15 @@ class Test extends CI_Controller
 
     }
 
+    // https://cht.mycht.cn/info.php/test/feedback/?tag=%3C!--%40FEEDBACK_(.*)%40--%3E
     public function feedback()
     {
-        $is_id = $this->input->get_post('is_id');
+        $tag = $this->input->get_post('tag');
         $template_path = 'mobile_first/ch';
 
-        $information = $this->Information_model->Detail($is_id);
 
         $feedback_array = array();
-        preg_match_all('^<!--@FEEDBACK_(.*)@-->^', $information->ic_content, $feedback_array);
+        preg_match_all('^<!--@FEEDBACK_(.*)@-->^', $tag, $feedback_array);
         if (!empty($feedback_array)) {
             foreach ($feedback_array[0] as $index => $tag_name) {
                 $city_name = $feedback_array[1][$index];