database/migrations/2017_08_04_070202_alter_china_district.php
/**
     * Reverse the migrations.
     *
     * @return void
     */
Reverse the migrations.
@return void
Reverse the migrations . @return void
public function down()
    {
        Schema::table('china_districts',function(Blueprint $table){
            $table->dropColumn('level');
        });
    }
public function down ( ) { Schema :: table ( 'china_districts' , function ( Blueprint $ table ) { $ table -> dropColumn ( 'level' ) ; } ) ; }
Reverse the migrations.
Reverse the migrations .