fix bug

app/controller/Article.php

@@ -139,6 +139,22 @@ class Article
         if(count($list)<env("PAGE_COUNT")){
             $result["lastIndex"] = 0;
         }
+
+        $result['is_assist'] = 0;
+        $userid = $GLOBALS['data']['userid'];
+        if(!empty($userid)){
+            $data = [
+                "userid"=>$GLOBALS['data']['userid'],
+                "student_id"=>$student_userid,
+                "createtime"=>date("Y-m-d",time())
+            ];
+            $data['sha'] = sha1(json_encode($data));
+            $info = Db::name("app_help_log")->where("sha", $data['sha'])->find();
+            if (!empty($info)) {
+                $result['is_assist'] = 1;
+            }
+        }
+
         return show(SUCCESS_MESSAGE,SUCCESS_CODE,$result);
     }
 }