diff --git a/code/app/services/ChapterService.php b/code/app/services/ChapterService.php
index 3113193..2268065 100644
--- a/code/app/services/ChapterService.php
+++ b/code/app/services/ChapterService.php
@@ -168,6 +168,10 @@ class ChapterService
 
         $strCacheKey = '';
         $intLifeTime = 0;
+        
+        if (empty($arrFilter['$and'])) {
+            $arrFilter = [];
+        }
 
         # cache filter
         if ($intCacheLifeTime > 0) {
diff --git a/code/app/services/NovelService.php b/code/app/services/NovelService.php
index f1fc88d..8aa3023 100644
--- a/code/app/services/NovelService.php
+++ b/code/app/services/NovelService.php
@@ -417,7 +417,7 @@ class NovelService
         }
 
         # n_category_sex_zh filter
-        if (!empty($strNSex)) {
+        if (!empty($strKey)) {
 
             $strKey = mb_substr($strKey, 0, 30);
             $arrFilter['$and'][] = [
@@ -454,6 +454,10 @@ class NovelService
         $strCacheKey = '';
         $intLifeTime = 0;
 
+        if (empty($arrFilter['$and'])) {
+            $arrFilter = [];
+        }
+
         # cache filter
         if ($intCacheLifeTime > 0) {
             $strCacheKey = sprintf(
@@ -468,7 +472,7 @@ class NovelService
 
             $intLifeTime = $intLifeTime;
         }
-        
+
         $arrNovel = $this->NovelModel->findPaginatedWithCache(
             $arrFilter,
             $intPage,
@@ -479,7 +483,7 @@ class NovelService
         );
 
         $arrPager = call_user_func([$this, $Func], $arrParams,  $arrSort,  $arrNovel);
-        // TODO  如果所有筛选条件是 all ， 目前是返回数据是空的，应该要返回数据
+       
         $arrResult = [
             'data' => $arrNovel['data'] ?? [],
             'pages' => $arrNovel['pages'] ?? 0,