未续费项目增加搜索

@@ -80,6 +80,8 @@ class KeywordController extends BaseController
     public function searchParam($map){
         if(!empty($map['title'])){
             $map['title'] = ['like','%'.$map['title'].'%'];
+        }else{
+            unset($map['title']);
         }
         if(!empty($map['keyword_title'])){
             $map['keyword_title'] = ['like','%'.$map['keyword_title'].'%'];