Merge pull request #58 from QiuYiBin/master

fix：修复数据迁移表名错误

app/System/Database/Migrations/2021_04_18_224835_create_system_post_table.php

@@ -42,6 +42,6 @@ class CreateSystemPostTable extends Migration
      */
     public function down(): void
     {
-        Schema::dropIfExists('system_job');
+        Schema::dropIfExists('system_post');
     }
 }

mine/Command/InstallProjectCommand.php

@@ -317,6 +317,7 @@ class InstallProjectCommand extends MineCommand
         Db::table('system_user')->truncate();
         Db::table('system_role')->truncate();
         Db::table('system_user_role')->truncate();
+        Db::table('system_user_dept')->truncate();
 
         // 创建超级管理员
         Db::table("system_user")->insert([