diff --git a/application/api/controller/Production.php b/application/api/controller/Production.php
index fe91f2b..82fdf4c 100644
--- a/application/api/controller/Production.php
+++ b/application/api/controller/Production.php
@@ -2718,12 +2718,15 @@ class Production extends Base
         if ($ref['refer_type'] == "journal") {
             return $this->generateFromParsedData($ref, $citationKey);
         } elseif ($ref['refer_type'] == "book"){
-
+            return $this->generateOtherBook($ref, $citationKey);
         } else {
             return $this->generateOtherMsic($ref, $citationKey);
         }
     }
 
+
+
+
     private function generateOtherBook($ref, $citationKey){
         $entry = "@book{{$citationKey},\n";