diff --git a/app/Services/CacheTg.php b/app/Services/CacheTg.php
index 1a5d888f..ebacf39f 100755
--- a/app/Services/CacheTg.php
+++ b/app/Services/CacheTg.php
@@ -187,20 +187,30 @@ final class CacheTg
         $oModelArticleSchema->group_code = $sGroupCode;
         $oModelArticleSchema->save();
         
+        //// get default thubmb use - start
         $jDefaultThumbUse = Option::where("k", "cache_tg_new::default_thumb_use::{$sGroupCode}")->first()?->v;
-        
         if (!$jDefaultThumbUse) {
             $jDefaultThumbUse = Option::where("k", "cache_tg_new::default_thumb_use")->first()?->v;
         }
-        
         $aDefaultThumbUse = json_decode($jDefaultThumbUse, true);
-        
         if (!$aDefaultThumbUse) {
             $aDefaultThumbUse = ["c"];
         }
+        //// get default thubmb use - end
+        
+        //// get default sub key - start
+        $sDefaultSubKey = Option::where("k", "cache_tg_new::default_sub_key::{$sGroupCode}")->first()?->v;
+        if (!$sDefaultSubKey) {
+            $sDefaultSubKey = Option::where("k", "cache_tg_new::default_sub_key")->first()?->v;
+        }
+        if (!$sDefaultSubKey) {
+            $sDefaultSubKey = '';
+        }
+        //// get default sub key - end
         
         $oModelArticleSchema->_opt([
-                                   "thumb_use" => $aDefaultThumbUse
+                                   "thumb_use" => $aDefaultThumbUse,
+                                   "sub_key" => $sDefaultSubKey
                                    ]);
         
         ServiceArticleCmd::startWithO($oModelArticleSchema)->syncOpen()->save("new");