时间戳加默认当前时间

database/migrations/2021_12_28_152353_create_wbw_templates_table.php

@@ -24,7 +24,8 @@ class CreateWbwTemplatesTable extends Migration
 			$table->string('gramma',64);
 			$table->string('part',1024);
 			$table->string('style',64);
-            $table->timestamps();
+			$table->timestamp('created_at')->useCurrent();
+
             $table->index(["book", "paragraph", "wid"]);
             $table->index(["book", "paragraph"]);
         });