diff --git a/app/Services/TG/Hook/Mod/Book.php b/app/Services/TG/Hook/Mod/Book.php
index 7471f127..7e093157 100644
--- a/app/Services/TG/Hook/Mod/Book.php
+++ b/app/Services/TG/Hook/Mod/Book.php
@@ -231,7 +231,7 @@ class Book extends Base {
         return $r;
     }
     
-    public function limit($aParam)
+    public function g_limit($aParam)
     {
         $iLimit = $aParam["aArg"][1];
         
@@ -851,6 +851,19 @@ class Book extends Base {
     //// page 系列 end
     
     //// parent 系列
+    public function limit($aParam)
+    {
+        $iValue = $aParam["aArg"][1] ?? 10;
+        
+        $oParentRag = $this->_getParentRag();
+        
+        $oParentRag->limit = $iValue;
+        
+        $oParentRag->save();
+        
+        return $this->openRe();
+    }
+    
     public function parent_detail()
     {
         $oParentRag = $this->_getParentRag();