diff --git a/Gemfile.lock b/Gemfile.lock
index 015c0a51..b1dc2cca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,9 @@ GEM
       mimemagic (~> 0.3.2)
     maruku (0.7.3)
     method_source (0.9.2)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
diff --git a/db/migrate/20200710124116_create_dev_ops_languages.rb b/db/migrate/20200710124116_create_dev_ops_languages.rb
deleted file mode 100644
index 1a899ad0..00000000
--- a/db/migrate/20200710124116_create_dev_ops_languages.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class CreateDevOpsLanguages < ActiveRecord::Migration[5.2]
-  def change
-    create_table :dev_ops_languages do |t|
-      t.string :name, null: false, comment: 'The name of project language.'
-      t.text :content, null: false, comment: 'The content of project language.'
-      t.integer :usage_amount, default: 0, comment: 'number of people Using the language'
-
-      t.timestamps
-    end
-  end
-end
diff --git a/db/migrate/20200714014513_add_cover_id_to_dev_ops_languages.rb b/db/migrate/20200714014513_add_cover_id_to_dev_ops_languages.rb
deleted file mode 100644
index 6e88bfa2..00000000
--- a/db/migrate/20200714014513_add_cover_id_to_dev_ops_languages.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddCoverIdToDevOpsLanguages < ActiveRecord::Migration[5.2]
-  def change
-    add_column :dev_ops_languages, :cover_id, :integer
-  end
-end
diff --git a/db/migrate/20200813150315_rename_dev_ops_language_to_ci_language.rb b/db/migrate/20200813150315_rename_dev_ops_language_to_ci_language.rb
deleted file mode 100644
index 47361838..00000000
--- a/db/migrate/20200813150315_rename_dev_ops_language_to_ci_language.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class RenameDevOpsLanguageToCiLanguage < ActiveRecord::Migration[5.2]
-  def change
-    rename_table :dev_ops_languages, :ci_languages
-  end
-end
diff --git a/db/migrate/20210108015318_create_ci_templates.rb b/db/migrate/20210108015318_create_ci_templates.rb
deleted file mode 100644
index 80594513..00000000
--- a/db/migrate/20210108015318_create_ci_templates.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class CreateCiTemplates < ActiveRecord::Migration[5.2]
-  def change
-    create_table :ci_templates do |t|
-      t.string :template_name, null: false, comment: '模板名称'
-      t.string :stage_type, null: false, comment: '模板所属阶段类型：init/build/deploy/customize/confirm'
-      t.string :category, null: false, comment: '模板分类'
-      t.text :content, null: false, comment: '模板yml内容'
-
-      t.timestamps
-    end
-    add_index :ci_templates, [:stage_type]
-  end
-end
-
diff --git a/db/migrate/20210112053516_add_parent_category_to_ci_templates.rb b/db/migrate/20210112053516_add_parent_category_to_ci_templates.rb
deleted file mode 100644
index 16bcb463..00000000
--- a/db/migrate/20210112053516_add_parent_category_to_ci_templates.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddParentCategoryToCiTemplates < ActiveRecord::Migration[5.2]
-  def change
-    add_column :ci_templates, :parent_category, :string
-  end
-end
diff --git a/db/migrate/20210126071814_add_login_to_ci_templates.rb b/db/migrate/20210126071814_add_login_to_ci_templates.rb
deleted file mode 100644
index eb5da022..00000000
--- a/db/migrate/20210126071814_add_login_to_ci_templates.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddLoginToCiTemplates < ActiveRecord::Migration[5.2]
-  def change
-    add_column :ci_templates, :login, :string
-  end
-end
diff --git a/db/structure.sql b/db/structure.sql
index ad1f276e..3cd1d409 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -3411,6 +3411,36 @@ CREATE TABLE `laboratory_users` (
   KEY `index_laboratory_users_on_user_id` (`user_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+-- ----------------------------
+-- Table structure for ci_languages
+-- ----------------------------
+DROP TABLE IF EXISTS `ci_languages`;
+CREATE TABLE `ci_languages` (
+  `id` bigint NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) NOT NULL COMMENT 'The name of project language.',
+  `content` text NOT NULL COMMENT 'The content of project language.',
+  `usage_amount` int DEFAULT '0' COMMENT 'number of people Using the language',
+  `created_at` datetime NOT NULL,
+  `updated_at` datetime NOT NULL,
+  `cover_id` int DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+DROP TABLE IF EXISTS `ci_templates`;
+CREATE TABLE `ci_templates` (
+  `id` bigint NOT NULL AUTO_INCREMENT,
+  `template_name` varchar(255) NOT NULL COMMENT '模板名称',
+  `stage_type` varchar(255) NOT NULL COMMENT '模板所属阶段类型：init/build/deploy/customize/confirm',
+  `category` varchar(255) NOT NULL COMMENT '模板分类',
+  `content` text NOT NULL COMMENT '模板yml内容',
+  `created_at` datetime NOT NULL,
+  `updated_at` datetime NOT NULL,
+  `parent_category` varchar(255) DEFAULT NULL,
+  `login` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `index_ci_templates_on_stage_type` (`stage_type`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
 -- ----------------------------
 -- Records of laboratories
 -- ----------------------------