修改接口

@@ -305,7 +305,14 @@ class Goods extends Api
     {
         $params = $this->request->param();
         if (empty($params['keyword'])) $this->error('缺少参数 keyword！');
-        if ($this->userId) $this->keywordLogModel->save(['user_id'=>$this->userId,'content'=>$params['keyword'],'createtime'=>time()]);
+        if ($this->userId){
+            $last = $this->keywordLogModel->where(['user_id'=>$this->userId,'content'=>$params['keyword']])->value('id');
+            if ($last){
+                $this->keywordLogModel->where('id',$last)->update(['createtime'=>time()]);
+            }else{
+                $this->keywordLogModel->save(['user_id'=>$this->userId,'content'=>$params['keyword'],'createtime'=>time()]);
+            }
+        }
         $page = $params['page'];
         $limit = Config::get('paginate.index_rows');
         $where = [];