diff --git a/lib/dbh/dbh.class.php b/lib/dbh/dbh.class.php
index e205580d64..38718f61b8 100644
--- a/lib/dbh/dbh.class.php
+++ b/lib/dbh/dbh.class.php
@@ -887,7 +887,7 @@ class dbh
 
         foreach($privList as $privSQL)
         {
-            if(strpos($privSQL, '*.*') === false && strpos($privSQL, "$dbName.*") === false) continue; // 如果权限不是全局或者当前数据库的，跳过
+            if(strpos($privSQL, '*.*') === false && strpos($privSQL, "`$dbName`.*") === false) continue; // 如果权限不是全局或者当前数据库的，跳过
             if(!preg_match('/GRANT (.*) ON (.+) TO/', $privSQL, $matches)) continue;
 
             $privs = explode(',', $matches[1]);