diff --git a/application/ZengJieCode/controller/app/Savemsg.php b/application/ZengJieCode/controller/app/Savemsg.php
index 4e48925..94c1951 100644
--- a/application/ZengJieCode/controller/app/Savemsg.php
+++ b/application/ZengJieCode/controller/app/Savemsg.php
@@ -260,7 +260,7 @@ class Savemsg extends Base{
                 'box_code' => $data['box_serial_number'],
                 'box_num' => $num,
                 'create_time' => date('Y-m-d H:i:s'),
-                'content_str' => implode(',',$snCodes),
+                'content_str' => json_encode($snCodes)
             ]);
             
             $affectedRows = $zengjie->table('sn_code_all')