feat(security): 重构安全配置并添加用户认证功能

refactor: 将ResponseMessage移动到config包并增强功能
feat: 添加用户管理相关功能及密码加密配置
fix: 修复HelpController中README文件路径问题
docs: 更新application.properties配置注释
style: 清理无用导入和日志文件

src/main/java/com/qf/myafterprojecy/pojo/Article.java

@@ -39,9 +39,14 @@ public class Article {
 
     @Column(name = "likes")
     private Integer likes; // 点赞数
+
     @Column(name = "status")
     private Integer status; // 0-草稿，1-已发布，2-已删除
 
+    @Column(name = "markdownscontent")
+    @NotBlank(message = "Markdown内容不能为空")
+    private String markdownscontent;
+
     // Getters and Setters
 
     public Integer getLikes() {
@@ -125,4 +130,12 @@ public class Article {
     public void setViewCount(Integer viewCount) {
         this.viewCount = viewCount;
     }
+    
+    public String getMarkdownscontent() {
+        return markdownscontent;
+    }
+
+    public void setMarkdownscontent(String markdownscontent) {
+        this.markdownscontent = markdownscontent;
+    }
 }