diff --git a/src/main/java/cc/ryanc/halo/config/FreeMarkerConfig.java b/src/main/java/cc/ryanc/halo/config/FreeMarkerConfig.java
index ce9160dd6..21a8167ec 100644
--- a/src/main/java/cc/ryanc/halo/config/FreeMarkerConfig.java
+++ b/src/main/java/cc/ryanc/halo/config/FreeMarkerConfig.java
@@ -40,13 +40,14 @@ public class FreeMarkerConfig {
 
     @PostConstruct
     public void setSharedVariable() {
-        configuration.setSharedVariable("commonTag", commonTagDirective);
-        configuration.setSharedVariable("articleTag", articleTagDirective);
         try {
+            //自定义标签
+            configuration.setSharedVariable("commonTag", commonTagDirective);
+            configuration.setSharedVariable("articleTag", articleTagDirective);
             configuration.setSharedVariable("options", optionsService.findAllOptions());
             configuration.setSharedVariable("user", userService.findUser());
         } catch (TemplateModelException e) {
-            e.printStackTrace();
+            log.error("自定义标签加载失败：{}", e.getMessage());
         }
     }
 }
diff --git a/src/main/java/cc/ryanc/halo/model/enums/TrueFalse.java b/src/main/java/cc/ryanc/halo/model/enums/TrueFalse.java
new file mode 100644
index 000000000..eb339baf7
--- /dev/null
+++ b/src/main/java/cc/ryanc/halo/model/enums/TrueFalse.java
@@ -0,0 +1,28 @@
+package cc.ryanc.halo.model.enums;
+
+/**
+ * @author : RYAN0UP
+ * @date : 2018/7/16
+ */
+public enum TrueFalse {
+
+    /**
+     * 真
+     */
+    TRUE("true"),
+
+    /**
+     * 假
+     */
+    FALSE("false");
+
+    private String desc;
+
+    TrueFalse(String desc) {
+        this.desc = desc;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+}
diff --git a/src/main/java/cc/ryanc/halo/service/impl/UserServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/UserServiceImpl.java
index 3ec6b10bc..34c23749c 100755
--- a/src/main/java/cc/ryanc/halo/service/impl/UserServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/UserServiceImpl.java
@@ -1,6 +1,7 @@
 package cc.ryanc.halo.service.impl;
 
 import cc.ryanc.halo.model.domain.User;
+import cc.ryanc.halo.model.enums.TrueFalse;
 import cc.ryanc.halo.repository.UserRepository;
 import cc.ryanc.halo.service.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -127,7 +128,7 @@ public class UserServiceImpl implements UserService {
     @Override
     public User updateUserNormal() {
         User user = this.findUser();
-        user.setLoginEnable("true");
+        user.setLoginEnable(TrueFalse.TRUE.getDesc());
         user.setLoginError(0);
         user.setLoginLast(new Date());
         userRepository.save(user);
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/AdminController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/AdminController.java
index 58540fd64..c0600fa98 100755
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/AdminController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/AdminController.java
@@ -9,6 +9,7 @@ import cc.ryanc.halo.model.dto.JsonResult;
 import cc.ryanc.halo.model.dto.LogsRecord;
 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.service.CommentService;
 import cc.ryanc.halo.service.LogsService;
 import cc.ryanc.halo.service.PostService;
@@ -134,7 +135,7 @@ public class AdminController extends BaseController {
             loginLast = aUser.getLoginLast();
         }
         Long between = DateUtil.between(loginLast, DateUtil.date(), DateUnit.MINUTE);
-        if (StringUtils.equals(aUser.getLoginEnable(), "false") && (between < 10)) {
+        if (StringUtils.equals(aUser.getLoginEnable(), TrueFalse.FALSE.getDesc()) && (between < 10)) {
             return new JsonResult(ResultCode.FAIL.getCode(), "已禁止登录，请10分钟后再试");
         }
         //验证用户名和密码
@@ -158,7 +159,7 @@ public class AdminController extends BaseController {
             Integer errorCount = userService.updateUserLoginError();
             //超过五次禁用账户
             if (errorCount >= 5) {
-                userService.updateUserLoginEnable("false");
+                userService.updateUserLoginEnable(TrueFalse.FALSE.getDesc());
             }
             logsService.saveByLogs(
                     new Logs(
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/AttachmentController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/AttachmentController.java
index 1a2761f97..52fb7e4ee 100755
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/AttachmentController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/AttachmentController.java
@@ -5,6 +5,7 @@ import cc.ryanc.halo.model.domain.Logs;
 import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.dto.JsonResult;
 import cc.ryanc.halo.model.dto.LogsRecord;
+import cc.ryanc.halo.model.enums.PostType;
 import cc.ryanc.halo.model.enums.ResultCode;
 import cc.ryanc.halo.service.AttachmentService;
 import cc.ryanc.halo.service.LogsService;
@@ -91,7 +92,7 @@ public class AttachmentController {
         Page<Attachment> attachments = attachmentService.findAllAttachments(pageable);
         model.addAttribute("attachments", attachments);
         model.addAttribute("id", id);
-        if (StringUtils.equals(type, "post")) {
+        if (StringUtils.equals(type, PostType.POST_TYPE_POST.getDesc())) {
             return "admin/widget/_attachment-select-post";
         }
         return "admin/widget/_attachment-select";
@@ -206,8 +207,8 @@ public class AttachmentController {
      * 移除附件的请求
      *
      * @param attachId 附件编号
-     * @param request  request
-     * @return true：移除附件成功，false：移除附件失败
+     * @param request request
+     * @return JsonResult
      */
     @GetMapping(value = "/remove")
     @ResponseBody
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 432f7cb6d..8ac98e7a1 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
@@ -5,8 +5,10 @@ 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.service.MailService;
 import cc.ryanc.halo.service.PostService;
 import cc.ryanc.halo.utils.HaloUtils;
@@ -201,7 +203,7 @@ public class BackupController {
         if (null == user.getUserEmail() || StringUtils.equals(user.getUserEmail(), "")) {
             return new JsonResult(ResultCode.FAIL.getCode(), "博主邮箱没有配置！");
         }
-        if (StringUtils.equals(HaloConst.OPTIONS.get("smtp_email_enable"), "false")) {
+        if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.FALSE.getDesc())) {
             return new JsonResult(ResultCode.FAIL.getCode(), "发信邮箱没有配置！");
         }
         new EmailToAdmin(srcPath, user).start();
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 373b868bf..ce1289df1 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
@@ -7,6 +7,7 @@ import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.enums.BlogProperties;
 import cc.ryanc.halo.model.enums.CommentStatus;
 import cc.ryanc.halo.model.enums.PostType;
+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;
@@ -120,7 +121,7 @@ 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()), "true") && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.COMMENT_REPLY_NOTICE.getProp()), "true")) {
+        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<>();
@@ -211,7 +212,7 @@ public class CommentController extends BaseController {
             commentService.saveByComment(comment);
 
             //邮件通知
-            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), "true") && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.COMMENT_REPLY_NOTICE.getProp()), "true")) {
+            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<>();
                     map.put("blogTitle", HaloConst.OPTIONS.get(BlogProperties.BLOG_TITLE.getProp()));
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/OptionController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/OptionController.java
index da4a5a3ee..c373199f5 100755
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/OptionController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/OptionController.java
@@ -41,7 +41,7 @@ public class OptionController {
      * 保存设置选项
      *
      * @param options options
-     * @return true：保存成功，false：保存失败
+     * @return JsonResult
      */
     @PostMapping(value = "/save")
     @ResponseBody
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 6cc8dfd9c..1dfea3fd3 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
@@ -4,6 +4,7 @@ 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.BlogProperties;
+import cc.ryanc.halo.model.enums.TrueFalse;
 import cc.ryanc.halo.service.*;
 import cc.ryanc.halo.utils.HaloUtils;
 import cn.hutool.core.date.DateUtil;
@@ -63,7 +64,7 @@ public class InstallController {
     @GetMapping
     public String install(Model model) {
         try {
-            if (StringUtils.equals("true", HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
+            if (StringUtils.equals(TrueFalse.TRUE.getDesc(), HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
                 model.addAttribute("isInstall", true);
             } else {
                 model.addAttribute("isInstall", false);
@@ -96,7 +97,7 @@ public class InstallController {
                              @RequestParam("userPwd") String userPwd,
                              HttpServletRequest request) {
         try {
-            if (StringUtils.equals("true", HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
+            if (StringUtils.equals(TrueFalse.TRUE.getDesc(), HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
                 return false;
             }
             //创建新的用户
@@ -148,7 +149,7 @@ public class InstallController {
             comment.setIsAdmin(0);
             commentService.saveByComment(comment);
 
-            optionsService.saveOption(BlogProperties.IS_INSTALL.getProp(), "true");
+            optionsService.saveOption(BlogProperties.IS_INSTALL.getProp(), TrueFalse.TRUE.getDesc());
 
             //保存博客标题和博客地址设置
             optionsService.saveOption(BlogProperties.BLOG_TITLE.getProp(), blogTitle);
@@ -164,12 +165,12 @@ public class InstallController {
             optionsService.saveOption(BlogProperties.COMMENT_SYSTEM.getProp(), "native");
 
             //默认不配置邮件系统
-            optionsService.saveOption(BlogProperties.SMTP_EMAIL_ENABLE.getProp(), "false");
+            optionsService.saveOption(BlogProperties.SMTP_EMAIL_ENABLE.getProp(), TrueFalse.FALSE.getDesc());
 
             //新评论，审核通过，回复，默认不通知
-            optionsService.saveOption(BlogProperties.NEW_COMMENT_NOTICE.getProp(), "false");
-            optionsService.saveOption(BlogProperties.COMMENT_PASS_NOTICE.getProp(), "false");
-            optionsService.saveOption(BlogProperties.COMMENT_REPLY_NOTICE.getProp(), "false");
+            optionsService.saveOption(BlogProperties.NEW_COMMENT_NOTICE.getProp(), TrueFalse.FALSE.getDesc());
+            optionsService.saveOption(BlogProperties.COMMENT_PASS_NOTICE.getProp(), TrueFalse.FALSE.getDesc());
+            optionsService.saveOption(BlogProperties.COMMENT_REPLY_NOTICE.getProp(), TrueFalse.FALSE.getDesc());
 
             //更新日志
             logsService.saveByLogs(
diff --git a/src/main/java/cc/ryanc/halo/web/controller/front/FrontCommentController.java b/src/main/java/cc/ryanc/halo/web/controller/front/FrontCommentController.java
index 06717ebf8..0cd5b4faf 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/front/FrontCommentController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/front/FrontCommentController.java
@@ -4,10 +4,7 @@ import cc.ryanc.halo.model.domain.Comment;
 import cc.ryanc.halo.model.domain.Post;
 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.CommentStatus;
-import cc.ryanc.halo.model.enums.PostType;
-import cc.ryanc.halo.model.enums.ResultCode;
+import cc.ryanc.halo.model.enums.*;
 import cc.ryanc.halo.service.CommentService;
 import cc.ryanc.halo.service.MailService;
 import cc.ryanc.halo.service.PostService;
@@ -153,7 +150,7 @@ public class FrontCommentController {
         }
         @Override
         public void run(){
-            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), "true") && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.NEW_COMMENT_NOTICE.getProp()), "true")) {
+            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.TRUE.getDesc()) && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.NEW_COMMENT_NOTICE.getProp()), TrueFalse.TRUE.getDesc())) {
                 try {
                     //发送邮件到博主
                     Map<String, Object> map = new HashMap<>();
@@ -191,7 +188,7 @@ public class FrontCommentController {
         @Override
         public void run() {
             //发送通知给对方
-            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), "true") && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.NEW_COMMENT_NOTICE.getProp()), "true")) {
+            if (StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.SMTP_EMAIL_ENABLE.getProp()), TrueFalse.TRUE.getDesc()) && StringUtils.equals(HaloConst.OPTIONS.get(BlogProperties.NEW_COMMENT_NOTICE.getProp()), TrueFalse.TRUE.getDesc())) {
                 if(Validator.isEmail(lastComment.getCommentAuthorEmail())){
                     Map<String, Object> map = new HashMap<>();
                     map.put("blogTitle",HaloConst.OPTIONS.get(BlogProperties.BLOG_TITLE.getProp()));
diff --git a/src/main/java/cc/ryanc/halo/web/interceptor/ApiInterceptor.java b/src/main/java/cc/ryanc/halo/web/interceptor/ApiInterceptor.java
index ef1af1fc6..59576206a 100644
--- a/src/main/java/cc/ryanc/halo/web/interceptor/ApiInterceptor.java
+++ b/src/main/java/cc/ryanc/halo/web/interceptor/ApiInterceptor.java
@@ -2,6 +2,7 @@ package cc.ryanc.halo.web.interceptor;
 
 import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.enums.BlogProperties;
+import cc.ryanc.halo.model.enums.TrueFalse;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
@@ -18,7 +19,7 @@ import javax.servlet.http.HttpServletResponse;
 public class ApiInterceptor implements HandlerInterceptor {
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
-        if (StringUtils.equals("true", HaloConst.OPTIONS.get(BlogProperties.API_STATUS.getProp()))) {
+        if (StringUtils.equals(TrueFalse.TRUE.getDesc(), HaloConst.OPTIONS.get(BlogProperties.API_STATUS.getProp()))) {
             return true;
         }
         response.sendRedirect("/404");
diff --git a/src/main/java/cc/ryanc/halo/web/interceptor/InstallInterceptor.java b/src/main/java/cc/ryanc/halo/web/interceptor/InstallInterceptor.java
index 57fe321a6..6a5d10f6e 100644
--- a/src/main/java/cc/ryanc/halo/web/interceptor/InstallInterceptor.java
+++ b/src/main/java/cc/ryanc/halo/web/interceptor/InstallInterceptor.java
@@ -2,6 +2,7 @@ package cc.ryanc.halo.web.interceptor;
 
 import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.enums.BlogProperties;
+import cc.ryanc.halo.model.enums.TrueFalse;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
@@ -19,7 +20,7 @@ public class InstallInterceptor implements HandlerInterceptor {
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
-        if (StringUtils.equals("true", HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
+        if (StringUtils.equals(TrueFalse.TRUE.getDesc(), HaloConst.OPTIONS.get(BlogProperties.IS_INSTALL.getProp()))) {
             return true;
         }
         response.sendRedirect("/install");