diff --git a/src/main/java/cc/ryanc/halo/model/dto/AttachmentOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/AttachmentOutputDTO.java
index f45360555..3b7a98c75 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/AttachmentOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/AttachmentOutputDTO.java
@@ -13,48 +13,21 @@ import lombok.Data;
 @Data
 public class AttachmentOutputDTO implements OutputConverter<AttachmentOutputDTO, Attachment> {
 
-    /**
-     * Attachment id.
-     */
     private Integer id;
 
-    /**
-     * 附件名称
-     */
     private String name;
 
-    /**
-     * 附件路径
-     */
     private String path;
 
-    /**
-     * 缩略图路径
-     */
     private String thumbPath;
 
-    /**
-     * 附件类型
-     */
     private String mediaType;
 
-    /**
-     * 附件后缀
-     */
     private String suffix;
 
-    /**
-     * 附件尺寸
-     */
     private String dimension;
 
-    /**
-     * 附件大小
-     */
     private String size;
 
-    /**
-     * 附件上传类型
-     */
     private Integer type;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/CountOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/CountOutputDTO.java
index 2de979b74..73113b8eb 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/CountOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/CountOutputDTO.java
@@ -11,23 +11,11 @@ import lombok.Data;
 @Data
 public class CountOutputDTO {
 
-    /**
-     * Post count.
-     */
     private Long postCount;
 
-    /**
-     * Comment count.
-     */
     private Long commentCount;
 
-    /**
-     * Attachment count.
-     */
     private Long attachmentCount;
 
-    /**
-     * Establish days
-     */
     private Long establishDays;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/LinkTeamOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/LinkTeamOutputDTO.java
new file mode 100644
index 000000000..8b7d1b3b9
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/model/dto/LinkTeamOutputDTO.java
@@ -0,0 +1,19 @@
+package cc.ryanc.halo.model.dto;
+
+import cc.ryanc.halo.model.dto.base.OutputConverter;
+import cc.ryanc.halo.model.entity.Link;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @author : RYAN0UP
+ * @date : 2019/3/22
+ */
+@Data
+public class LinkTeamOutputDTO implements OutputConverter<LinkTeamOutputDTO, Link> {
+
+    private String team;
+
+    private List<Link> links;
+}
diff --git a/src/main/java/cc/ryanc/halo/model/dto/LogOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/LogOutputDTO.java
index b69350eca..571d71df6 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/LogOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/LogOutputDTO.java
@@ -9,38 +9,24 @@ import lombok.ToString;
 
 import java.util.Date;
 
+/**
+ * @author johnniang
+ * @date 3/19/19
+ */
 @Data
 @ToString
 @EqualsAndHashCode
 public class LogOutputDTO implements OutputConverter<LogOutputDTO, Log> {
 
-    /**
-     * Log id.
-     */
     private Long id;
 
-    /**
-     * 日志标识
-     */
     private String logKey;
 
-    /**
-     * 日志事件类型
-     */
     private LogType type;
 
-    /**
-     * 日志内容
-     */
     private String content;
 
-    /**
-     * 操作 IP
-     */
     private String ipAddress;
 
-    /**
-     * 创建时间戳
-     */
     private Date createTime;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/UserOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/UserOutputDTO.java
index 32988202a..2182ffdaf 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/UserOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/UserOutputDTO.java
@@ -19,48 +19,21 @@ import java.util.Date;
 @EqualsAndHashCode
 public class UserOutputDTO implements OutputConverter<UserOutputDTO, User> {
 
-    /**
-     * User id.
-     */
     private Integer id;
 
-    /**
-     * 用户名
-     */
     private String username;
 
-    /**
-     * 昵称
-     */
     private String nickname;
 
-    /**
-     * 邮箱
-     */
     private String email;
 
-    /**
-     * 头像
-     */
     private String avatar;
 
-    /**
-     * 描述
-     */
     private String description;
 
-    /**
-     * Expire time.
-     */
     private Date expireTime;
 
-    /**
-     * 创建时间戳
-     */
     private Date createTime;
 
-    /**
-     * 更新时间戳
-     */
     private Date updateTime;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/post/PostDetailOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/post/PostDetailOutputDTO.java
index 6e9e214a2..c0970967f 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/post/PostDetailOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/post/PostDetailOutputDTO.java
@@ -6,19 +6,15 @@ import lombok.ToString;
 
 /**
  * Post detail output dto.
+ *
+ * @author johnniang
  */
 @Data
 @ToString
 @EqualsAndHashCode(callSuper = true)
 public class PostDetailOutputDTO extends PostSimpleOutputDTO {
 
-    /**
-     * 源内容
-     */
     private String originalContent;
 
-    /**
-     * 渲染后内容
-     */
     private String formatContent;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/post/PostMinimalOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/post/PostMinimalOutputDTO.java
index 2527049eb..c57e50041 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/post/PostMinimalOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/post/PostMinimalOutputDTO.java
@@ -20,43 +20,19 @@ import java.util.Date;
 @EqualsAndHashCode
 public class PostMinimalOutputDTO implements OutputConverter<PostMinimalOutputDTO, Post> {
 
-    /**
-     * Post id.
-     */
     private Integer id;
 
-    /**
-     * Post title
-     */
     private String title;
 
-    /**
-     * Post status.
-     */
     private PostStatus status;
 
-    /**
-     * Post url.
-     */
     private String url;
 
-    /**
-     * Post type
-     */
     private PostType type;
 
-    /**
-     * 更新时间戳
-     */
     private Date updateTime;
 
-    /**
-     * 创建时间戳
-     */
     private Date createTime;
 
-    /**
-     * Edit time.
-     */
     private Date editTime;
 }
diff --git a/src/main/java/cc/ryanc/halo/model/dto/post/PostSimpleOutputDTO.java b/src/main/java/cc/ryanc/halo/model/dto/post/PostSimpleOutputDTO.java
index 3ce2ff38e..4896fb255 100644
--- a/src/main/java/cc/ryanc/halo/model/dto/post/PostSimpleOutputDTO.java
+++ b/src/main/java/cc/ryanc/halo/model/dto/post/PostSimpleOutputDTO.java
@@ -6,8 +6,6 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
 
-import java.util.Date;
-
 /**
  * Page simple output dto.
  *
@@ -18,52 +16,21 @@ import java.util.Date;
 @EqualsAndHashCode(callSuper = true)
 public class PostSimpleOutputDTO extends PostMinimalOutputDTO {
 
-    /**
-     * 文章类型
-     * 0: 普通文章
-     * 1: 自定义页面
-     * 2: 日志
-     */
     private PostType type;
 
-    /**
-     * 摘要
-     */
     private String summary;
 
-    /**
-     * 缩略图
-     */
     private String thumbnail;
 
-    /**
-     * 浏览量
-     */
     private Long visits;
 
-    /**
-     * 是否允许评论
-     */
     private Boolean disallowComment;
 
-    /**
-     * 自定义渲染模板名称
-     */
     private String template;
 
-    /**
-     * 是否置顶
-     */
     private Integer topPriority;
 
-    /**
-     * 发布来源
-     */
     private PostCreateFrom createFrom;
 
-    /**
-     * 点赞量/喜欢量
-     */
     private Long likes;
-
 }
diff --git a/src/main/java/cc/ryanc/halo/service/LinkService.java b/src/main/java/cc/ryanc/halo/service/LinkService.java
index 9d6ea89aa..17a73928d 100755
--- a/src/main/java/cc/ryanc/halo/service/LinkService.java
+++ b/src/main/java/cc/ryanc/halo/service/LinkService.java
@@ -1,6 +1,7 @@
 package cc.ryanc.halo.service;
 
 import cc.ryanc.halo.model.dto.LinkOutputDTO;
+import cc.ryanc.halo.model.dto.LinkTeamOutputDTO;
 import cc.ryanc.halo.model.entity.Link;
 import cc.ryanc.halo.service.base.CrudService;
 import org.springframework.data.domain.Sort;
@@ -22,4 +23,11 @@ public interface LinkService extends CrudService<Link, Integer> {
      * @return all links
      */
     List<LinkOutputDTO> listDtos(@NonNull Sort sort);
+
+    /**
+     * List link by group
+     *
+     * @return List<LinkTeamOutputDTO>
+     */
+    List<LinkTeamOutputDTO> listTeam();
 }
diff --git a/src/main/java/cc/ryanc/halo/service/TagService.java b/src/main/java/cc/ryanc/halo/service/TagService.java
index ecf668ab6..fa35c9956 100644
--- a/src/main/java/cc/ryanc/halo/service/TagService.java
+++ b/src/main/java/cc/ryanc/halo/service/TagService.java
@@ -3,7 +3,6 @@ package cc.ryanc.halo.service;
 import cc.ryanc.halo.model.dto.TagOutputDTO;
 import cc.ryanc.halo.model.entity.Tag;
 import cc.ryanc.halo.service.base.CrudService;
-import org.springframework.data.domain.Sort;
 import org.springframework.lang.NonNull;
 
 import java.util.List;
diff --git a/src/main/java/cc/ryanc/halo/service/impl/LinkServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/LinkServiceImpl.java
index 0ccbd3c0b..376f7ad68 100644
--- a/src/main/java/cc/ryanc/halo/service/impl/LinkServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/LinkServiceImpl.java
@@ -1,6 +1,7 @@
 package cc.ryanc.halo.service.impl;
 
 import cc.ryanc.halo.model.dto.LinkOutputDTO;
+import cc.ryanc.halo.model.dto.LinkTeamOutputDTO;
 import cc.ryanc.halo.model.entity.Link;
 import cc.ryanc.halo.repository.LinkRepository;
 import cc.ryanc.halo.service.LinkService;
@@ -40,4 +41,15 @@ public class LinkServiceImpl extends AbstractCrudService<Link, Integer> implemen
 
         return listAll(sort).stream().map(link -> (LinkOutputDTO) new LinkOutputDTO().convertFrom(link)).collect(Collectors.toList());
     }
+
+    /**
+     * List link by group
+     *
+     * @return List<LinkTeamOutputDTO>
+     */
+    @Override
+    public List<LinkTeamOutputDTO> listTeam() {
+        // TODO list team
+        return null;
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
index e02616c60..dd15d2aab 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/AttachmentController.java
@@ -2,12 +2,11 @@ package cc.ryanc.halo.web.controller.admin.api;
 
 import cc.ryanc.halo.model.dto.AttachmentOutputDTO;
 import cc.ryanc.halo.service.AttachmentService;
+import io.swagger.annotations.ApiOperation;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.web.PageableDefault;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import static org.springframework.data.domain.Sort.Direction.DESC;
 
@@ -27,8 +26,37 @@ public class AttachmentController {
         this.attachmentService = attachmentService;
     }
 
+    /**
+     * List of attachment.
+     *
+     * @param pageable pageable
+     * @return Page<AttachmentOutputDTO>
+     */
     @GetMapping
     public Page<AttachmentOutputDTO> pageBy(@PageableDefault(sort = "updateTime", direction = DESC) Pageable pageable) {
         return attachmentService.pageDtosBy(pageable);
     }
+
+    /**
+     * Get attachment by id.
+     *
+     * @param id attachment id
+     * @return AttachmentOutputDTO
+     */
+    @GetMapping("{id:\\d+}")
+    @ApiOperation("Get attachment detail by id")
+    public AttachmentOutputDTO getBy(@PathVariable("id") Integer id) {
+        return new AttachmentOutputDTO().convertFrom(attachmentService.getById(id));
+    }
+
+    /**
+     * Delete attachment by id
+     *
+     * @param id id
+     */
+    @DeleteMapping("{id:\\d+}")
+    @ApiOperation("Delete attachment by id")
+    public void deletePermanently(@PathVariable("id") Integer id) {
+        attachmentService.removeById(id);
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/CategoryController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/CategoryController.java
index e4108d62e..423cd9fba 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/CategoryController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/CategoryController.java
@@ -45,4 +45,27 @@ public class CategoryController {
         // Save it
         return new CategoryOutputDTO().convertFrom(categoryService.create(category));
     }
+
+    /**
+     * Get Category by id
+     *
+     * @param id id
+     * @return CategoryOutputDTO
+     */
+    @GetMapping("{id:\\d+}")
+    @ApiOperation("Get category detail by id")
+    public CategoryOutputDTO getBy(@PathVariable("id") Integer id) {
+        return new CategoryOutputDTO().convertFrom(categoryService.getById(id));
+    }
+
+    /**
+     * Delete category by id.
+     *
+     * @param id id
+     */
+    @DeleteMapping("{id:\\d+}")
+    @ApiOperation("Delete category by id")
+    public void deletePermanently(@PathVariable("id") Integer id) {
+        categoryService.removeById(id);
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/GalleryController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/GalleryController.java
index 55ce8b868..aa432b12c 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/GalleryController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/GalleryController.java
@@ -2,11 +2,10 @@ package cc.ryanc.halo.web.controller.admin.api;
 
 import cc.ryanc.halo.model.dto.GalleryOutputDTO;
 import cc.ryanc.halo.service.GalleryService;
+import io.swagger.annotations.ApiOperation;
 import org.springframework.data.domain.Sort;
 import org.springframework.data.web.SortDefault;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -36,4 +35,27 @@ public class GalleryController {
     public List<GalleryOutputDTO> listGalleries(@SortDefault(sort = "updateTime", direction = Sort.Direction.DESC) Sort sort) {
         return galleryService.listDtos(sort);
     }
+
+    /**
+     * Get gallery by id.
+     *
+     * @param id gallery id
+     * @return GalleryOutputDTO
+     */
+    @GetMapping("{id:\\d+}")
+    @ApiOperation("Get gallery detail by id")
+    public GalleryOutputDTO getBy(@PathVariable("id") Integer id) {
+        return new GalleryOutputDTO().convertFrom(galleryService.getById(id));
+    }
+
+    /**
+     * Delete gallery by id.
+     *
+     * @param id id
+     */
+    @DeleteMapping("{id:\\d+}")
+    @ApiOperation("Delete gallery by id")
+    public void deletePermanently(@PathVariable("id") Integer id) {
+        galleryService.removeById(id);
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/LinkController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/LinkController.java
index 3fb811e58..d95bc6900 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/LinkController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/LinkController.java
@@ -2,11 +2,10 @@ package cc.ryanc.halo.web.controller.admin.api;
 
 import cc.ryanc.halo.model.dto.LinkOutputDTO;
 import cc.ryanc.halo.service.LinkService;
+import io.swagger.annotations.ApiOperation;
 import org.springframework.data.domain.Sort;
 import org.springframework.data.web.SortDefault;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -36,4 +35,27 @@ public class LinkController {
     public List<LinkOutputDTO> listLinks(@SortDefault(sort = "updateTime", direction = Sort.Direction.DESC) Sort sort) {
         return linkService.listDtos(sort);
     }
+
+    /**
+     * Get link by id.
+     *
+     * @param id id
+     * @return LinkOutputDTO
+     */
+    @GetMapping("{id:\\d+}")
+    @ApiOperation("Get link detail by id")
+    public LinkOutputDTO getBy(@PathVariable("id") Integer id) {
+        return new LinkOutputDTO().convertFrom(linkService.getById(id));
+    }
+
+    /**
+     * Delete link by id.
+     *
+     * @param id id
+     */
+    @DeleteMapping("{id:\\d+}")
+    @ApiOperation("Delete link by id")
+    public void deletePermanently(@PathVariable("id") Integer id) {
+        linkService.removeById(id);
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/LogController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/LogController.java
index c2c23487f..4d3698605 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/LogController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/LogController.java
@@ -26,9 +26,24 @@ public class LogController {
         this.logService = logService;
     }
 
+    /**
+     * List latest logs.
+     *
+     * @param top top
+     * @return List of logs
+     */
     @GetMapping("latest")
     @ApiOperation("Pages latest logs")
     public List<LogOutputDTO> pageLatest(@RequestParam(name = "top", defaultValue = "10") int top) {
         return logService.pageLatest(top).getContent();
     }
+
+    /**
+     * Clear all logs.
+     */
+    @GetMapping("clear")
+    @ApiOperation("Clear all logs")
+    public void clear() {
+        logService.removeAll();
+    }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/api/TagController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/api/TagController.java
index 32a9b630e..e2f8d3b08 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/api/TagController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/api/TagController.java
@@ -6,6 +6,7 @@ import cc.ryanc.halo.model.entity.Tag;
 import cc.ryanc.halo.model.params.TagParam;
 import cc.ryanc.halo.service.PostTagService;
 import cc.ryanc.halo.service.TagService;
+import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Sort;
 import org.springframework.data.web.SortDefault;
@@ -55,4 +56,27 @@ public class TagController {
         // Create and convert
         return new TagOutputDTO().convertFrom(tagService.create(tag));
     }
+
+    /**
+     * Get tag by id
+     *
+     * @param id id
+     * @return TagOutputDTO
+     */
+    @GetMapping("{id:\\d+}")
+    @ApiOperation("Get tag detail by id")
+    public TagOutputDTO getBy(@PathVariable("id") Integer id) {
+        return new TagOutputDTO().convertFrom(tagService.getById(id));
+    }
+
+    /**
+     * Delete tag by id.
+     *
+     * @param id id
+     */
+    @DeleteMapping("{id:\\d+}")
+    @ApiOperation("Delete tag by id")
+    public void deletePermanently(@PathVariable("id") Integer id) {
+        tagService.removeById(id);
+    }
 }