diff --git a/src/main/java/cc/ryanc/halo/model/enums/BackupType.java b/src/main/java/cc/ryanc/halo/model/enums/BackupType.java
new file mode 100644
index 000000000..daa1b66b8
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/model/enums/BackupType.java
@@ -0,0 +1,33 @@
+package cc.ryanc.halo.model.enums;
+
+/**
+ * @author : RYAN0UP
+ * @date : 2018/7/22
+ */
+public enum BackupType {
+
+    /**
+     * 资源文件
+     */
+    RESOURCES("resources"),
+
+    /**
+     * 数据库
+     */
+    DATABASES("databases"),
+
+    /**
+     * 文章
+     */
+    POSTS("posts");
+
+    private String desc;
+
+    BackupType(String desc) {
+        this.desc = desc;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+}
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
index 8ac98e7a1..6b0c2d55b 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
@@ -5,10 +5,7 @@ import cc.ryanc.halo.model.domain.User;
 import cc.ryanc.halo.model.dto.BackupDto;
 import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.dto.JsonResult;
-import cc.ryanc.halo.model.enums.BlogProperties;
-import cc.ryanc.halo.model.enums.PostType;
-import cc.ryanc.halo.model.enums.ResultCode;
-import cc.ryanc.halo.model.enums.TrueFalse;
+import cc.ryanc.halo.model.enums.*;
 import cc.ryanc.halo.service.MailService;
 import cc.ryanc.halo.service.PostService;
 import cc.ryanc.halo.utils.HaloUtils;
@@ -58,12 +55,12 @@ public class BackupController {
     @GetMapping
     public String backup(@RequestParam(value = "type", defaultValue = "resources") String type, Model model) {
         List<BackupDto> backups = null;
-        if (StringUtils.equals(type, "resources")) {
-            backups = HaloUtils.getBackUps("resources");
-        } else if (StringUtils.equals(type, "databases")) {
-            backups = HaloUtils.getBackUps("databases");
-        } else if (StringUtils.equals(type, "posts")) {
-            backups = HaloUtils.getBackUps("posts");
+        if (StringUtils.equals(type,BackupType.RESOURCES.getDesc())) {
+            backups = HaloUtils.getBackUps(BackupType.RESOURCES.getDesc());
+        } else if (StringUtils.equals(type, BackupType.DATABASES.getDesc())) {
+            backups = HaloUtils.getBackUps(BackupType.DATABASES.getDesc());
+        } else if (StringUtils.equals(type, BackupType.POSTS.getDesc())) {
+            backups = HaloUtils.getBackUps(BackupType.POSTS.getDesc());
         } else {
             backups = new ArrayList<>();
         }
@@ -81,11 +78,11 @@ public class BackupController {
     @GetMapping(value = "doBackup")
     @ResponseBody
     public JsonResult doBackup(@RequestParam("type") String type) {
-        if (StringUtils.equals("resources", type)) {
+        if (StringUtils.equals(BackupType.RESOURCES.getDesc(), type)) {
             return this.backupResources();
-        } else if (StringUtils.equals("databases", type)) {
+        } else if (StringUtils.equals(BackupType.DATABASES.getDesc(), type)) {
             return this.backupDatabase();
-        } else if (StringUtils.equals("posts", type)) {
+        } else if (StringUtils.equals(BackupType.POSTS.getDesc(), type)) {
             return this.backupPosts();
         } else {
             return new JsonResult(ResultCode.FAIL.getCode(), "备份失败！");
@@ -99,7 +96,7 @@ public class BackupController {
      */
     public JsonResult backupDatabase() {
         try {
-            if (HaloUtils.getBackUps("databases").size() > 10) {
+            if (HaloUtils.getBackUps(BackupType.DATABASES.getDesc()).size() > 10) {
                 FileUtil.del(System.getProperties().getProperty("user.home") + "/halo/backup/databases/");
             }
             String srcPath = System.getProperties().getProperty("user.home") + "/halo/";
@@ -121,7 +118,7 @@ public class BackupController {
      */
     public JsonResult backupResources() {
         try {
-            if (HaloUtils.getBackUps("resources").size() > 10) {
+            if (HaloUtils.getBackUps(BackupType.RESOURCES.getDesc()).size() > 10) {
                 FileUtil.del(System.getProperties().getProperty("user.home") + "/halo/backup/resources/");
             }
             File path = new File(ResourceUtils.getURL("classpath:").getPath());
@@ -146,7 +143,7 @@ public class BackupController {
         List<Post> posts = postService.findAllPosts(PostType.POST_TYPE_POST.getDesc());
         posts.addAll(postService.findAllPosts(PostType.POST_TYPE_PAGE.getDesc()));
         try {
-            if (HaloUtils.getBackUps("posts").size() > 10) {
+            if (HaloUtils.getBackUps(BackupType.POSTS.getDesc()).size() > 10) {
                 FileUtil.del(System.getProperties().getProperty("user.home") + "/halo/backup/posts/");
             }
             //打包好的文件名
@@ -210,11 +207,14 @@ public class BackupController {
         return new JsonResult(ResultCode.SUCCESS.getCode(), "邮件发送成功！");
     }
 
+    /**
+     * 异步发送附件到邮箱
+     */
     class EmailToAdmin extends Thread {
         private String srcPath;
         private User user;
 
-        public EmailToAdmin(String srcPath, User user) {
+        private EmailToAdmin(String srcPath, User user) {
             this.srcPath = srcPath;
             this.user = user;
         }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/CommentController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/CommentController.java
index ce1289df1..c4e213103 100755
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/CommentController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/CommentController.java
@@ -11,7 +11,6 @@ import cc.ryanc.halo.model.enums.TrueFalse;
 import cc.ryanc.halo.service.CommentService;
 import cc.ryanc.halo.service.MailService;
 import cc.ryanc.halo.service.PostService;
-import cc.ryanc.halo.service.UserService;
 import cc.ryanc.halo.utils.OwoUtil;
 import cc.ryanc.halo.web.controller.core.BaseController;
 import cn.hutool.core.date.DateUtil;
@@ -54,9 +53,6 @@ public class CommentController extends BaseController {
     @Autowired
     private MailService mailService;
 
-    @Autowired
-    private UserService userService;
-
     @Autowired
     private PostService postService;
 
@@ -121,28 +117,7 @@ public class CommentController extends BaseController {
         User user = (User) session.getAttribute(HaloConst.USER_SESSION_KEY);
 
         //判断是否启用邮件服务
-        if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.TRUE.getDesc()) && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.COMMENT_REPLY_NOTICE.getProp()), TrueFalse.TRUE.getDesc())) {
-            try {
-                if (status == 1 && Validator.isEmail(comment.getCommentAuthorEmail())) {
-                    Map<String, Object> map = new HashMap<>();
-                    if (StringUtils.equals(post.getPostType(), PostType.POST_TYPE_POST.getDesc())) {
-                        map.put("pageUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "/archives/" + post.getPostUrl() + "#comment-id-" + comment.getCommentId());
-                    } else {
-                        map.put("pageUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "/p/" + post.getPostUrl() + "#comment-id-" + comment.getCommentId());
-                    }
-                    map.put("pageName", post.getPostTitle());
-                    map.put("commentContent", comment.getCommentContent());
-                    map.put("blogUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()));
-                    map.put("blogTitle", HaloConst.OPTIONS.get(BlogProperties.BLOG_TITLE.getProp()));
-                    map.put("author", user.getUserDisplayName());
-                    mailService.sendTemplateMail(
-                            comment.getCommentAuthorEmail(),
-                            "您在" + HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "的评论已审核通过！", map, "common/mail/mail_passed.ftl");
-                }
-            } catch (Exception e) {
-                log.error("邮件服务器未配置：{}", e.getMessage());
-            }
-        }
+        new NoticeToAuthor(comment, post, user, status).start();
         return "redirect:/admin/comments?status=" + status;
     }
 
@@ -151,7 +126,7 @@ public class CommentController extends BaseController {
      *
      * @param commentId commentId 评论编号
      * @param status    status 评论状态
-     * @param session   session session
+     * @param page      当前页码
      * @return string 重定向到/admin/comments
      */
     @GetMapping("/remove")
@@ -212,6 +187,34 @@ public class CommentController extends BaseController {
             commentService.saveByComment(comment);
 
             //邮件通知
+            new EmailToAuthor(comment, lastComment, post, user, commentContent).start();
+        } catch (Exception e) {
+            log.error("回复评论失败：{}", e.getMessage());
+        }
+        return "redirect:/admin/comments";
+    }
+
+    /**
+     * 异步发送邮件回复给评论者
+     */
+    class EmailToAuthor extends Thread {
+
+        private Comment comment;
+        private Comment lastComment;
+        private Post post;
+        private User user;
+        private String commentContent;
+
+        private EmailToAuthor(Comment comment, Comment lastComment, Post post, User user, String commentContent) {
+            this.comment = comment;
+            this.lastComment = lastComment;
+            this.post = post;
+            this.user = user;
+            this.commentContent = commentContent;
+        }
+
+        @Override
+        public void run() {
             if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.TRUE.getDesc()) && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.COMMENT_REPLY_NOTICE.getProp()), TrueFalse.TRUE.getDesc())) {
                 if (Validator.isEmail(lastComment.getCommentAuthorEmail())) {
                     Map<String, Object> map = new HashMap<>();
@@ -231,9 +234,50 @@ public class CommentController extends BaseController {
                             lastComment.getCommentAuthorEmail(), "您在" + HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "的评论有了新回复", map, "common/mail/mail_reply.ftl");
                 }
             }
-        } catch (Exception e) {
-            log.error("回复评论失败：{}", e.getMessage());
         }
-        return "redirect:/admin/comments";
+    }
+
+    /**
+     * 异步通知评论者审核通过
+     */
+    class NoticeToAuthor extends Thread {
+
+        private Comment comment;
+        private Post post;
+        private User user;
+        private Integer status;
+
+        private NoticeToAuthor(Comment comment, Post post, User user, Integer status) {
+            this.comment = comment;
+            this.post = post;
+            this.user = user;
+            this.status = status;
+        }
+
+        @Override
+        public void run() {
+            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.TRUE.getDesc()) && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.COMMENT_REPLY_NOTICE.getProp()), TrueFalse.TRUE.getDesc())) {
+                try {
+                    if (status == 1 && Validator.isEmail(comment.getCommentAuthorEmail())) {
+                        Map<String, Object> map = new HashMap<>();
+                        if (StringUtils.equals(post.getPostType(), PostType.POST_TYPE_POST.getDesc())) {
+                            map.put("pageUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "/archives/" + post.getPostUrl() + "#comment-id-" + comment.getCommentId());
+                        } else {
+                            map.put("pageUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "/p/" + post.getPostUrl() + "#comment-id-" + comment.getCommentId());
+                        }
+                        map.put("pageName", post.getPostTitle());
+                        map.put("commentContent", comment.getCommentContent());
+                        map.put("blogUrl", HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()));
+                        map.put("blogTitle", HaloConst.OPTIONS.get(BlogProperties.BLOG_TITLE.getProp()));
+                        map.put("author", user.getUserDisplayName());
+                        mailService.sendTemplateMail(
+                                comment.getCommentAuthorEmail(),
+                                "您在" + HaloConst.OPTIONS.get(BlogProperties.BLOG_URL.getProp()) + "的评论已审核通过！", map, "common/mail/mail_passed.ftl");
+                    }
+                } catch (Exception e) {
+                    log.error("邮件服务器未配置：{}", e.getMessage());
+                }
+            }
+        }
     }
 }
diff --git a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
index 1dfea3fd3..3093d31b6 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
@@ -3,6 +3,7 @@ package cc.ryanc.halo.web.controller.core;
 import cc.ryanc.halo.model.domain.*;
 import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.dto.LogsRecord;
+import cc.ryanc.halo.model.enums.AllowComment;
 import cc.ryanc.halo.model.enums.BlogProperties;
 import cc.ryanc.halo.model.enums.TrueFalse;
 import cc.ryanc.halo.service.*;
@@ -132,6 +133,7 @@ public class InstallController {
             post.setPostUrl("hello-halo");
             post.setUser(user);
             post.setCategories(categories);
+            post.setAllowComment(AllowComment.ALLOW.getCode());
             postService.saveByPost(post);
 
             //第一个评论
diff --git a/src/main/resources/templates/admin/admin_index.ftl b/src/main/resources/templates/admin/admin_index.ftl
index f3b4697e4..8fcb913df 100755
--- a/src/main/resources/templates/admin/admin_index.ftl
+++ b/src/main/resources/templates/admin/admin_index.ftl
@@ -345,7 +345,7 @@
                     <div class="modal-body">
                         <p>「${options.blog_title?if_exists}」已经运行了<span id="blogStartDay"></span>天了。</p>
                         <p>在此期间：</p>
-                        <p>累计发表了${postCount?default(0)}篇文章。</p>
+                        <p>累计发表了<@articleTag method="postsCount">${postsCount?default(0)}</@articleTag>篇文章。</p>
                         <p>累计创建了<@commonTag method="tags">${tags?size}</@commonTag>个标签。</p>
                         <p>累计获得了${commentCount}条评论。</p>
                         <p>累计添加了<@commonTag method="links">${links?size}</@commonTag>个友链。</p>