diff --git a/app/Services/CacheTg.php b/app/Services/CacheTg.php
index f77bb9a0..004eba32 100755
--- a/app/Services/CacheTg.php
+++ b/app/Services/CacheTg.php
@@ -187,7 +187,7 @@ final class CacheTg
         $oModelArticleSchema->save();
         
         $oModelArticleSchema->_opt([
-                                   "thumb_use" => ['b','c']
+                                   "thumb_use" => ['c']
                                    ]);
         
         ServiceArticleCmd::startWithO($oModelArticleSchema)->syncOpen()->save("new");