save

src/plugin/admin/app/controller/InstallController.php

@@ -78,17 +78,17 @@ class InstallController extends Base
             'wa_uploads',
         ];
 
-        if (!$overwrite) {
         $tables_exist = [];
         foreach ($tables as $table) {
             $tables_exist[] = current($table);
         }
         $tables_conflict = array_intersect($tables_to_install, $tables_exist);
+        if (!$overwrite) {
             if ($tables_conflict) {
                 return $this->json(1, '以下表' . implode(',', $tables_conflict) . '已经存在，如需覆盖请选择强制覆盖');
             }
         } else {
-            foreach ($tables_to_install as $table) {
+            foreach ($tables_conflict as $table) {
                 $db->exec("DROP TABLE `$table`");
             }
         }