Revert "注册登录,用户等级,社交,动态,新手任务"

This reverts commit 1c359108ca33d46271920ee0cd57dddcb7012937.

Reason for revert: <冲突>

Change-Id: Ie586267169acac99130b1fadf4a5f433441c4b8c
diff --git a/src/main/java/com/example/myproject/entity/Collections.java b/src/main/java/com/example/myproject/entity/Collections.java
deleted file mode 100644
index f7a8711..0000000
--- a/src/main/java/com/example/myproject/entity/Collections.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "collections")
-public class Collections {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "collectionId")
-    private Long collectionId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "postNo")
-    private Long postNo;
-
-    // Getters and Setters
-    public Long getCollectionId() {
-        return collectionId;
-    }
-
-    public void setCollectionId(Long collectionId) {
-        this.collectionId = collectionId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Long getPostNo() {
-        return postNo;
-    }
-
-    public void setPostNo(Long postNo) {
-        this.postNo = postNo;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Comments.java b/src/main/java/com/example/myproject/entity/Comments.java
deleted file mode 100644
index fdf89fa..0000000
--- a/src/main/java/com/example/myproject/entity/Comments.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package com.example.myproject.entity;
-
-import com.fasterxml.jackson.annotation.JsonBackReference;
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "comments")
-public class Comments {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "comment_id")
-    private Long commentId;
-
-    @ManyToOne
-    @JoinColumn(name = "post_id", nullable = false)
-    @JsonBackReference
-    private Post post;
-
-    @Column(name = "content", nullable = false)
-    private String content;
-
-    @Column(name = "is_anonymous")
-    private Boolean isAnonymous;  // 是否匿名
-
-    @Column(name = "likes_count")
-    private Integer likesCount = 0;  // 点赞数
-
-    @Column(name = "reply_count")
-    private Integer replyCount = 0;  // 回复数
-
-    @Column(name = "comment_time", nullable = false)
-    private Date commentTime;  // 评论时间
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;  // 评论者的 user_id
-
-
-    @Column(name = "com_comment_id", nullable = false)
-    private Long com_comment_id;
-
-    // Getters and Setters
-
-    public Long getCommentId() {
-        return commentId;
-    }
-
-    public void setCommentId(Long commentId) {
-        this.commentId = commentId;
-    }
-
-    public Post getPost() {
-        return post;
-    }
-
-    public void setPost(Post post) {
-        this.post = post;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public Boolean getIsAnonymous() {
-        return isAnonymous;
-    }
-
-    public void setIsAnonymous(Boolean isAnonymous) {
-        this.isAnonymous = isAnonymous;
-    }
-
-    public Integer getLikesCount() {
-        return likesCount;
-    }
-
-    public void setLikesCount(Integer likesCount) {
-        this.likesCount = likesCount;
-    }
-
-    public Integer getReplyCount() {
-        return replyCount;
-    }
-
-    public void setReplyCount(Integer replyCount) {
-        this.replyCount = replyCount;
-    }
-
-    public Date getCommentTime() {
-        return commentTime;
-    }
-
-    public void setCommentTime(Date commentTime) {
-        this.commentTime = commentTime;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Long getParentComment() {
-        return com_comment_id;
-    }
-
-    public void setParentComment(Long com_comment_id) {
-        this.com_comment_id = com_comment_id;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/DynamicComment.java b/src/main/java/com/example/myproject/entity/DynamicComment.java
deleted file mode 100644
index d5c84d3..0000000
--- a/src/main/java/com/example/myproject/entity/DynamicComment.java
+++ /dev/null
@@ -1,89 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "dynamic_comment")
-public class DynamicComment {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "comment_id")
-    private Long commentId;
-
-    @Column(name = "dynamic_id")
-    private Long dynamicId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "comment_content")
-    private String commentContent;
-
-    @Column(name = "comment_time")
-    private Date commentTime;
-
-    @Column(name = "is_anonymous")
-    private Boolean isAnonymous = false;
-
-    @Column(name = "parent_comment_id")
-    private Long parentCommentId;
-
-    // Getters and Setters
-    public Long getCommentId() {
-        return commentId;
-    }
-
-    public void setCommentId(Long commentId) {
-        this.commentId = commentId;
-    }
-
-    public Long getDynamicId() {
-        return dynamicId;
-    }
-
-    public void setDynamicId(Long dynamicId) {
-        this.dynamicId = dynamicId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getCommentContent() {
-        return commentContent;
-    }
-
-    public void setCommentContent(String commentContent) {
-        this.commentContent = commentContent;
-    }
-
-    public Date getCommentTime() {
-        return commentTime;
-    }
-
-    public void setCommentTime(Date commentTime) {
-        this.commentTime = commentTime;
-    }
-
-    public Boolean getIsAnonymous() {
-        return isAnonymous;
-    }
-
-    public void setIsAnonymous(Boolean isAnonymous) {
-        this.isAnonymous = isAnonymous;
-    }
-
-    public Long getParentCommentId() {
-        return parentCommentId;
-    }
-
-    public void setParentCommentId(Long parentCommentId) {
-        this.parentCommentId = parentCommentId;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/DynamicLikes.java b/src/main/java/com/example/myproject/entity/DynamicLikes.java
deleted file mode 100644
index 986f903..0000000
--- a/src/main/java/com/example/myproject/entity/DynamicLikes.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "dynamic_likes")
-public class DynamicLikes {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "like_id")
-    private Long likeId;
-
-    @Column(name = "dynamic_id")
-    private Long dynamicId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "like_time")
-    private Date likeTime;
-
-    // Getters and Setters
-    public Long getLikeId() {
-        return likeId;
-    }
-
-    public void setLikeId(Long likeId) {
-        this.likeId = likeId;
-    }
-
-    public Long getDynamicId() {
-        return dynamicId;
-    }
-
-    public void setDynamicId(Long dynamicId) {
-        this.dynamicId = dynamicId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Date getLikeTime() {
-        return likeTime;
-    }
-
-    public void setLikeTime(Date likeTime) {
-        this.likeTime = likeTime;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/EntityBase.java b/src/main/java/com/example/myproject/entity/EntityBase.java
new file mode 100644
index 0000000..48583cb
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/EntityBase.java
@@ -0,0 +1,61 @@
+package com.example.myproject.entity;
+
+
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+
+import java.util.Objects;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * Base class for an entity, as explained in the book "Domain Driven Design".
+ * All entities in this project have an identity attribute with type Long and
+ * name id. Inspired by the DDD Sample project.
+
+ */
+@Setter
+@Getter
+public abstract class EntityBase {
+
+    /**
+     * This identity field has the wrapper class type Long so that an entity which
+     * has not been saved is recognizable by a null identity.
+     */
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    @Override
+    public boolean equals(final Object object) {
+        if (!(object instanceof EntityBase)) {
+            return false;
+        }
+        if (!getClass().equals(object.getClass())) {
+            return false;
+        }
+        final EntityBase that = (EntityBase) object;
+        _checkIdentity(this);
+        _checkIdentity(that);
+        return this.id.equals(that.getId());
+    }
+
+
+    private void _checkIdentity(final EntityBase entity) {
+        if (entity.getId() == null) {
+            throw new IllegalStateException("Comparison identity missing in entity: " + entity);
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(this.getId());
+    }
+
+    @Override
+    public String toString() {
+        return this.getClass().getSimpleName() + "<" + getId() + ">";
+    }
+
+}
diff --git a/src/main/java/com/example/myproject/entity/ExperienceHistory.java b/src/main/java/com/example/myproject/entity/ExperienceHistory.java
deleted file mode 100644
index 8c52f6b..0000000
--- a/src/main/java/com/example/myproject/entity/ExperienceHistory.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "experience_history")
-public class ExperienceHistory {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "history_id")
-    private Long historyId;
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;
-
-    @Column(name = "experience_change", nullable = false)
-    private Integer experienceChange;  // 经验值变化量
-
-    @Column(name = "source", nullable = false)
-    private String source;  // 更新来源
-
-    @Column(name = "update_time", nullable = false)
-    private Date updateTime;  // 更新操作的时间
-
-    // Getters and Setters
-    public Long getHistoryId() {
-        return historyId;
-    }
-
-    public void setHistoryId(Long historyId) {
-        this.historyId = historyId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Integer getExperienceChange() {
-        return experienceChange;
-    }
-
-    public void setExperienceChange(Integer experienceChange) {
-        this.experienceChange = experienceChange;
-    }
-
-    public String getSource() {
-        return source;
-    }
-
-    public void setSource(String source) {
-        this.source = source;
-    }
-
-    public Date getUpdateTime() {
-        return updateTime;
-    }
-
-    public void setUpdateTime(Date updateTime) {
-        this.updateTime = updateTime;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/FavoriteEntity.java b/src/main/java/com/example/myproject/entity/FavoriteEntity.java
new file mode 100644
index 0000000..3f76cfe
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/FavoriteEntity.java
@@ -0,0 +1,36 @@
+package com.example.myproject.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+@TableName("favorite")
+@ApiModel("收藏实体类")
+public class FavoriteEntity {
+    @TableId(type = IdType.AUTO)
+    @ApiModelProperty(value = "收藏ID", example = "1")
+    private Long id;
+
+    @ApiModelProperty(value = "用户ID", example = "1001")
+    @JsonProperty("userId")
+    @TableField("user_id")
+    private Long userId;
+
+    @ApiModelProperty(value = "种子ID", example = "2001")
+    @JsonProperty("seedId")
+    @TableField("seed_id")
+    private Long seedId;
+
+    @ApiModelProperty(value = "收藏时间", example = "2024-05-13 12:00:00")
+    @JsonProperty("createTime")
+    @TableField("create_time")
+    private Date createTime;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/myproject/entity/FriendRelation.java b/src/main/java/com/example/myproject/entity/FriendRelation.java
deleted file mode 100644
index c086001..0000000
--- a/src/main/java/com/example/myproject/entity/FriendRelation.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "friend_relation")
-public class FriendRelation {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "relation_id")
-    private Long relationId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "friend_id")
-    private Long friendId;  // 好友ID
-
-    @Column(name = "create_time")
-    private Date createTime;  // 好友关系创建时间
-
-    // Getters and Setters
-    public Long getRelationId() {
-        return relationId;
-    }
-
-    public void setRelationId(Long relationId) {
-        this.relationId = relationId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Long getFriendId() {
-        return friendId;
-    }
-
-    public void setFriendId(Long friendId) {
-        this.friendId = friendId;
-    }
-
-    public Date getCreateTime() {
-        return createTime;
-    }
-
-    public void setCreateTime(Date createTime) {
-        this.createTime = createTime;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Group.java b/src/main/java/com/example/myproject/entity/Group.java
deleted file mode 100644
index ea4f2c7..0000000
--- a/src/main/java/com/example/myproject/entity/Group.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "group_interests")
-public class Group {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "group_id")
-    private Long groupId;
-
-    @Column(name = "group_name")
-    private String groupName;
-
-    private String description;  // 小组简介
-
-    @Column(name = "create_time")
-    private Date createTime;  // 创建时间
-
-    @Column(name = "user_id")
-    private Long userId;  // 创建该小组的用户ID
-
-    @Column(name = "member_count")
-    private Integer memberCount;  // 小组成员人数
-
-    private String category;  // 小组类别
-
-    @Column(name = "cover_image")
-    private String coverImage;  // 小组封面图片
-
-    // Getters and Setters
-    public Long getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(Long groupId) {
-        this.groupId = groupId;
-    }
-
-    public String getGroupName() {
-        return groupName;
-    }
-
-    public void setGroupName(String groupName) {
-        this.groupName = groupName;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-    public Date getCreateTime() {
-        return createTime;
-    }
-
-    public void setCreateTime(Date createTime) {
-        this.createTime = createTime;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Integer getMemberCount() {
-        return memberCount;
-    }
-
-    public void setMemberCount(Integer memberCount) {
-        this.memberCount = memberCount;
-    }
-
-    public String getCategory() {
-        return category;
-    }
-
-    public void setCategory(String category) {
-        this.category = category;
-    }
-
-    public String getCoverImage() {
-        return coverImage;
-    }
-
-    public void setCoverImage(String coverImage) {
-        this.coverImage = coverImage;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/GroupComments.java b/src/main/java/com/example/myproject/entity/GroupComments.java
deleted file mode 100644
index fcf4205..0000000
--- a/src/main/java/com/example/myproject/entity/GroupComments.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "group_comments")
-public class GroupComments {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "comment_id")
-    private Long commentId;  // 评论ID
-
-    @Column(name = "group_post_id")
-    private Long groupPostId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    private String content;
-
-    @Column(name = "parent_comment_id")
-    private Long parentCommentId;
-
-    @Column(name = "time")
-    private Date time;  // 评论时间
-
-    // Getters and Setters
-    public Long getCommentId() {
-        return commentId;
-    }
-
-    public void setCommentId(Long commentId) {
-        this.commentId = commentId;
-    }
-
-    public Long getGroupPostId() {
-        return groupPostId;
-    }
-
-    public void setGroupPostId(Long groupPostId) {
-        this.groupPostId = groupPostId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public Long getParentCommentId() {
-        return parentCommentId;
-    }
-
-    public void setParentCommentId(Long parentCommentId) {
-        this.parentCommentId = parentCommentId;
-    }
-
-    public Date getTime() {
-        return time;
-    }
-
-    public void setTime(Date time) {
-        this.time = time;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/GroupMembers.java b/src/main/java/com/example/myproject/entity/GroupMembers.java
deleted file mode 100644
index e66e18c..0000000
--- a/src/main/java/com/example/myproject/entity/GroupMembers.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "group_members")
-public class GroupMembers {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "relation_id")
-    private Long relationId;
-
-    @Column(name = "group_id", nullable = false)
-    private Long groupId;
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;
-
-    // Getters and Setters
-    public Long getRelationId() {
-        return relationId;
-    }
-
-    public void setRelationId(Long relationId) {
-        this.relationId = relationId;
-    }
-
-    public Long getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(Long groupId) {
-        this.groupId = groupId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/GroupPost.java b/src/main/java/com/example/myproject/entity/GroupPost.java
deleted file mode 100644
index 89867f7..0000000
--- a/src/main/java/com/example/myproject/entity/GroupPost.java
+++ /dev/null
@@ -1,109 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "group_post")
-public class GroupPost {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "group_post_id")
-    private Long groupPostId;
-
-    @Column(name = "group_id")
-    private Long groupId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    private String content;
-
-    private String image;
-
-    @Column(name = "like_count")
-    private Integer likeCount;
-
-    @Column(name = "comment_count")
-    private Integer commentCount;  // 帖子评论数
-
-    @Column(name = "time")
-    private Date time;  // 帖子创建时间
-
-    private String title;
-
-
-    // Getters and Setters
-    public Long getGroupPostId() {
-        return groupPostId;
-    }
-
-    public void setGroupPostId(Long groupPostId) {
-        this.groupPostId = groupPostId;
-    }
-
-    public Long getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(Long groupId) {
-        this.groupId = groupId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public String getImage() {
-        return image;
-    }
-
-    public void setImage(String image) {
-        this.image = image;
-    }
-
-    public Integer getLikeCount() {
-        return likeCount;
-    }
-
-    public void setLikeCount(Integer likeCount) {
-        this.likeCount = likeCount;
-    }
-
-    public Integer getCommentCount() {
-        return commentCount;
-    }
-
-    public void setCommentCount(Integer commentCount) {
-        this.commentCount = commentCount;
-    }
-
-    public Date getTime() {
-        return time;
-    }
-
-    public void setTime(Date time) {
-        this.time = time;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Level.java b/src/main/java/com/example/myproject/entity/Level.java
deleted file mode 100644
index 6837ef9..0000000
--- a/src/main/java/com/example/myproject/entity/Level.java
+++ /dev/null
@@ -1,89 +0,0 @@
-package com.example.myproject.entity;
-
-
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "level")
-public class Level {
-
-    @Id
-    @Column(name = "level_id")
-    private Long levelId;  // 等级唯一标识
-
-    @Column(name = "level_name", nullable = false)
-    private String levelName;  // 等级名称
-
-    @Column(name = "required_experience", nullable = false)
-    private Long requiredExperience;  // 所需经验值
-
-    @Column(name = "required_share_ratio")
-    private Float requiredShareRatio;  // 所需分享率
-
-    @Column(name = "required_upload_gb")
-    private Float requiredUploadGb;  // 所需上传数据量
-
-    @Column(name = "required_seeding_hours")
-    private Float requiredSeedingHours;  // 所需做种时长
-
-    @Column(name = "permissions")
-    private String permissions;  // 拥有的权限
-
-    // Getters and Setters
-    public Long getLevelId() {
-        return levelId;
-    }
-
-    public void setLevelId(Long levelId) {
-        this.levelId = levelId;
-    }
-
-    public String getLevelName() {
-        return levelName;
-    }
-
-    public void setLevelName(String levelName) {
-        this.levelName = levelName;
-    }
-
-    public Long getRequiredExperience() {
-        return requiredExperience;
-    }
-
-    public void setRequiredExperience(Long requiredExperience) {
-        this.requiredExperience = requiredExperience;
-    }
-
-    public Float getRequiredShareRatio() {
-        return requiredShareRatio;
-    }
-
-    public void setRequiredShareRatio(Float requiredShareRatio) {
-        this.requiredShareRatio = requiredShareRatio;
-    }
-
-    public Float getRequiredUploadGb() {
-        return requiredUploadGb;
-    }
-
-    public void setRequiredUploadGb(Float requiredUploadGb) {
-        this.requiredUploadGb = requiredUploadGb;
-    }
-
-    public Float getRequiredSeedingHours() {
-        return requiredSeedingHours;
-    }
-
-    public void setRequiredSeedingHours(Float requiredSeedingHours) {
-        this.requiredSeedingHours = requiredSeedingHours;
-    }
-
-    public String getPermissions() {
-        return permissions;
-    }
-
-    public void setPermissions(String permissions) {
-        this.permissions = permissions;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Likes.java b/src/main/java/com/example/myproject/entity/Likes.java
deleted file mode 100644
index 7a3dcda..0000000
--- a/src/main/java/com/example/myproject/entity/Likes.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "likes")
-public class Likes {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)  // 使用自增主键
-    @Column(name = "likeId")
-    private Long likeId;
-
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "postNo")
-    private Long postNo;
-
-    // Getters and Setters
-    public Long getLikeId() {
-        return likeId;
-    }
-
-    public void setLikeId(Long likeId) {
-        this.likeId = likeId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Long getPostNo() {
-        return postNo;
-    }
-
-    public void setPostNo(Long postNo) {
-        this.postNo = postNo;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Post.java b/src/main/java/com/example/myproject/entity/Post.java
deleted file mode 100644
index bb94aac..0000000
--- a/src/main/java/com/example/myproject/entity/Post.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package com.example.myproject.entity;
-
-import com.fasterxml.jackson.annotation.JsonManagedReference;
-
-import javax.persistence.*;
-
-import java.util.Date;
-import java.util.List;
-
-@Entity
-@Table(name = "post")
-public class Post {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "postNo")
-    private Long postNo;
-
-
-    @Column(name = "userId")
-    private Long user_id;
-
-    @Column(name = "postContent")
-    private String postContent;
-
-    @Column(name = "imageUrl")
-    private String imageUrl;
-
-    @Column(name = "postTime")
-    private Date postTime;
-
-    @Column(name = "postLikeNum")
-    private Integer postLikeNum;
-
-    @Column(name = "postCollectNum")
-    private Integer postCollectNum;
-
-    @Column(name = "title")
-    private String title;
-
-    @Column(name = "postType")
-    private String postType;
-
-    // Getters and Setters
-    public Long getPostNo() {
-        return postNo;
-    }
-
-    public void setPostNo(Long postNo) {
-        this.postNo = postNo;
-    }
-
-    public Long getUser_id() {
-        return user_id;
-    }
-
-    public void setUser_id(Long user) {
-        this.user_id = user;
-    }
-
-    public String getPostContent() {
-        return postContent;
-    }
-
-    public void setPostContent(String postContent) {
-        this.postContent = postContent;
-    }
-
-    public String getImageUrl() {
-        return imageUrl;
-    }
-
-    public void setImageUrl(String imgUrl) {
-        this.imageUrl = imgUrl;
-    }
-
-    public Date getPostTime() {
-        return postTime;
-    }
-
-    public void setPostTime(Date postTime) {
-        this.postTime = postTime;
-    }
-
-    public Integer getPostLikeNum() {
-        return postLikeNum;
-    }
-
-    public void setPostLikeNum(Integer postLikeNum) {
-        this.postLikeNum = postLikeNum;
-    }
-
-    public Integer getPostCollectNum() {
-        return postCollectNum;
-    }
-
-    public void setPostCollectNum(Integer postCollectNum) {
-        this.postCollectNum = postCollectNum;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getPostType() {
-        return postType;
-    }
-
-    public void setPostType(String postType) {
-        this.postType = postType;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Promotion.java b/src/main/java/com/example/myproject/entity/Promotion.java
new file mode 100644
index 0000000..4ca846b
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/Promotion.java
@@ -0,0 +1,34 @@
+package com.example.myproject.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Data
+@TableName("promotion")
+public class Promotion {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    
+    private String name;
+    
+    private String description;
+    
+    private LocalDateTime startTime;
+    
+    private LocalDateTime endTime;
+    
+    private double discountPercentage;
+    
+    private String applicableTorrentIds;
+    
+    private LocalDateTime createTime;
+    
+    private LocalDateTime updateTime;
+    
+    private Boolean isDeleted;
+} 
\ No newline at end of file
diff --git a/src/main/java/com/example/myproject/entity/SeedComment.java b/src/main/java/com/example/myproject/entity/SeedComment.java
deleted file mode 100644
index af6e91f..0000000
--- a/src/main/java/com/example/myproject/entity/SeedComment.java
+++ /dev/null
@@ -1,118 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.Entity;
-import javax.persistence.*;
-
-
-import java.util.Date;
-
-@Entity
-@Table(name = "seed_comments")  // 映射到数据库表 seed_comments
-public class SeedComment {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)  // 自增主键
-    @Column(name = "comment_id")  // 映射到表的 comment_id 列
-    private long commentId;
-
-
-    @Column(name = "seed_id",  nullable = false)
-    private long seedId;
-
-
-    @Column(name = "com_comment_id",  nullable = true)
-    private long comCommentId;  // 外键,指向父评论的 comment_id
-
-
-    @Column(name = "user_id",nullable = false)
-    private long userId;
-
-    @Column(name = "content", nullable = false)
-    private String content;
-
-    @Column(name = "is_anonymous")
-    private byte isAnonymous;
-
-    @Column(name = "likes_count", nullable = false)
-    private int likesCount;
-
-    @Column(name = "reply_count", nullable = false)
-    private int replyCount;
-
-    @Column(name = "comment_time")
-    private Date commentTime;
-
-    // Getter 和 Setter 方法
-
-    public long getCommentId() {
-        return commentId;
-    }
-
-    public void setCommentId(long commentId) {
-        this.commentId = commentId;
-    }
-
-    public long getSeedId() {
-        return seedId;
-    }
-
-    public void setSeedId(long seedId) {
-        this.seedId = seedId;
-    }
-
-    public long getComCommentId() {
-        return comCommentId;
-    }
-
-    public void setComCommentId(long comCommentId) {
-        this.comCommentId = comCommentId;
-    }
-
-    public long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(long userId) {
-        this.userId = userId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public byte getIsAnonymous() {
-        return isAnonymous;
-    }
-
-    public void setIsAnonymous(byte isAnonymous) {
-        this.isAnonymous = isAnonymous;
-    }
-
-    public int getLikesCount() {
-        return likesCount;
-    }
-
-    public void setLikesCount(int likesCount) {
-        this.likesCount = likesCount;
-    }
-
-    public int getReplyCount() {
-        return replyCount;
-    }
-
-    public void setReplyCount(int replyCount) {
-        this.replyCount = replyCount;
-    }
-
-    public Date getCommentTime() {
-        return commentTime;
-    }
-
-    public void setCommentTime(Date commentTime) {
-        this.commentTime = commentTime;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/SeedCommentLikes.java b/src/main/java/com/example/myproject/entity/SeedCommentLikes.java
deleted file mode 100644
index 65f7fc6..0000000
--- a/src/main/java/com/example/myproject/entity/SeedCommentLikes.java
+++ /dev/null
@@ -1,55 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "seed_comment_likes")
-public class SeedCommentLikes {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "id")
-    private Long id;  // 点赞ID
-
-    @Column(name = "comment_id", nullable = false)
-    private Long commentId;  // 被点赞的评论ID
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;  // 点赞的用户ID
-
-    @Column(name = "is_liked", nullable = false)
-    private Boolean isLiked = true;  // 点赞状态,默认为true(点赞)
-
-    // Getters and Setters
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public Long getCommentId() {
-        return commentId;
-    }
-
-    public void setCommentId(Long commentId) {
-        this.commentId = commentId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public Boolean getIsLiked() {
-        return isLiked;
-    }
-
-    public void setIsLiked(Boolean isLiked) {
-        this.isLiked = isLiked;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Task.java b/src/main/java/com/example/myproject/entity/Task.java
deleted file mode 100644
index 15796a1..0000000
--- a/src/main/java/com/example/myproject/entity/Task.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "tasks")
-public class Task {
-
-    @Id
-    @Column(name = "task_id")
-    private String taskId;
-
-    @Column(name = "title", nullable = false)
-    private String title;
-
-    @Column(name = "description", nullable = false)
-    private String description;
-
-    @Column(name = "reward_experience", nullable = false)
-    private int rewardExperience;  // 任务奖励的经验
-
-    @Column(name = "reward_points", nullable = false)
-    private int rewardPoints;  // 任务奖励的积分
-
-
-    public String getTaskId() {
-        return taskId;
-    }
-
-    public void setTaskId(String taskId) {
-        this.taskId = taskId;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-
-    public int getRewardExperience() {
-        return rewardExperience;
-    }
-
-    public void setRewardExperience(int rewardExperience) {
-        this.rewardExperience = rewardExperience;
-    }
-
-    public int getRewardPoints() {
-        return rewardPoints;
-    }
-
-    public void setRewardPoints(int rewardPoints) {
-        this.rewardPoints = rewardPoints;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/TorrentEntity.java b/src/main/java/com/example/myproject/entity/TorrentEntity.java
new file mode 100644
index 0000000..f62fb76
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/TorrentEntity.java
@@ -0,0 +1,108 @@
+package com.example.myproject.entity;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+import java.util.List;
+
+@Data
+@TableName("torrent")
+@ApiModel("种子实体类")
+public class TorrentEntity {
+
+    @TableId(type = IdType.AUTO)
+    @ApiModelProperty(value = "种子ID", example = "1")
+    private Long id;
+
+    @JsonProperty("infoHash")
+    @ApiModelProperty(value = "种子信息哈希", example = "abcdef123456")
+    private String infoHash;
+
+    @JsonProperty("fileName")
+    @ApiModelProperty(value = "种子文件名", example = "movie_torrent_file.torrent")
+    private String fileName;
+
+    @JsonProperty("uploader")
+    @ApiModelProperty(value = "上传者", example = "user123")
+    private String uploader;
+
+    @JsonProperty("createdTime")
+    @ApiModelProperty(value = "上传时间", example = "2024-01-01 12:00:00")
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createTime;
+
+    @JsonProperty("updateTime")
+    @ApiModelProperty(value = "更新时间", example = "2024-01-01 12:00:00")
+
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updateTime;
+
+    @JsonProperty("size")
+    @ApiModelProperty(value = "种子文件大小", example = "123456")
+    private Long size;
+
+    @JsonProperty("title")
+    @ApiModelProperty(value = "种子标题", example = "《星际穿越》")
+    private String title;
+
+    @JsonProperty("description")
+    @ApiModelProperty(value = "种子描述", example = "这是一部好看的科幻电影")
+    private String description;
+
+    @JsonProperty("tags")
+    @ApiModelProperty(value = "种子标签", example = "[\"科幻\",\"动作\"]")
+    private String tags;
+
+    @JsonProperty("category")
+    @ApiModelProperty(value = "种子分类", example = "movie")
+    private String category;
+
+    @JsonProperty("imageUrl")
+    @ApiModelProperty(value = "种子封面图URL", example = "http://example.com/images/cover.jpg")
+    private String imageUrl;
+
+    @JsonProperty("leechers")
+    @ApiModelProperty(value = "下载次数", example = "123")
+    private Integer leechers;
+
+    @JsonProperty("seeders")
+    @ApiModelProperty(value = "做种数", example = "10")
+    private Integer seeders;
+
+    @JsonProperty("comments")
+    @ApiModelProperty(value = "评论数", example = "5")
+    private Integer comments;
+
+    @JsonProperty("views")
+    @ApiModelProperty(value = "浏览次数", example = "1000")
+    private Integer views;
+
+    @JsonProperty("hits")
+    @ApiModelProperty(value = "点击次数", example = "2000")
+    private Integer hits;
+
+    @JsonProperty("promotionTimeType")
+    @ApiModelProperty(value = "促销时间类型", example = "1")
+    private Integer promotionTimeType;
+
+    @JsonProperty("promotionUntil")
+    @ApiModelProperty(value = "促销截止日期", example = "2024-12-31T23:59:59")
+    private LocalDateTime promotionUntil;
+
+    
+    @JsonProperty("torrentFile")
+    @ApiModelProperty(value = "种子文件", example = "base64 encoded torrent file")
+    private byte[] torrentFile;
+
+    @JsonProperty("isDeleted")
+    @ApiModelProperty(value = "是否删除", example = "false")
+    private Boolean isDeleted;
+
+    public TorrentEntity() {
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/myproject/entity/User.java b/src/main/java/com/example/myproject/entity/User.java
new file mode 100644
index 0000000..7574e67
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/User.java
@@ -0,0 +1,77 @@
+package com.example.myproject.entity;
+
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@TableName("user") // 指定数据库表名
+@ApiModel("用户实体类") // 用于描述模型
+public class User {
+
+    @TableId(type = IdType.AUTO) // 指定主键策略
+    @ApiModelProperty(value = "用户ID", example = "1")
+    private Long id;
+
+    @JsonProperty("username")
+    @ApiModelProperty(value = "用户名", example = "22301115")
+    private String username;
+
+    @JsonProperty("nickname")
+    @ApiModelProperty(value = "昵称", example = "cyl")
+    private String nickname;
+
+    @JsonProperty("role")
+    @ApiModelProperty(value = "角色", example = "Student")
+    private String role;
+
+    @JsonProperty("password")
+    @ApiModelProperty(value = "密码", example = "123")
+    private String password;
+
+    @JsonProperty("status")
+    @ApiModelProperty(value = "用户状态", example = "1")
+    private int status;
+
+    @JsonProperty("email")
+    @ApiModelProperty(value = "电子邮件地址", example = "john_doe@example.com")
+    private String email;
+
+    @JsonProperty("email_verified")
+    @ApiModelProperty(value = "邮箱验证状态", example = "true")
+    private boolean emailVerified;
+
+    @JsonProperty("avatar")
+    @ApiModelProperty(value = "头像")
+    private String avatar;
+
+    @JsonProperty("uploaded")
+    @ApiModelProperty(value = "上传量", example = "1000")
+    private Long uploaded;
+
+    @JsonProperty("downloaded")
+    @ApiModelProperty(value = "下载量", example = "500")
+    private Long downloaded;
+
+    @JsonProperty("create_time")
+    @ApiModelProperty(value = "创建时间", example = "2024-04-01T12:00:00")
+    private LocalDateTime createTime;
+
+    @JsonProperty("update_time")
+    @ApiModelProperty(value = "更新时间", example = "2024-04-01T12:00:00")
+    private LocalDateTime updateTime;
+
+    @JsonProperty("is_deleted")
+    @ApiModelProperty(value = "是否删除", example = "false")
+    private Boolean isDeleted;
+
+    public User() {
+    }
+}
diff --git a/src/main/java/com/example/myproject/entity/UserDetails.java b/src/main/java/com/example/myproject/entity/UserDetails.java
new file mode 100644
index 0000000..9af35f0
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/UserDetails.java
@@ -0,0 +1,23 @@
+package com.example.myproject.entity;
+
+import org.springframework.security.core.GrantedAuthority;
+
+import java.io.Serializable;
+import java.util.Collection;
+
+public interface UserDetails extends Serializable {
+    Collection<? extends GrantedAuthority> getAuthorities();
+
+    String getPassword();
+
+    String getUsername();
+
+    boolean isAccountNonExpired();
+
+    boolean isAccountNonLocked();
+
+    boolean isCredentialsNonExpired();
+
+    boolean isEnabled();
+}
+
diff --git a/src/main/java/com/example/myproject/entity/UserDynamic.java b/src/main/java/com/example/myproject/entity/UserDynamic.java
deleted file mode 100644
index a04d3ac..0000000
--- a/src/main/java/com/example/myproject/entity/UserDynamic.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "user_dynamic")
-public class UserDynamic {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "dynamic_id")
-    private Long dynamicId;
-
-    @Column(name = "user_id")
-    private Long userId;  // 发布动态的用户ID
-
-    @Column(name = "title")
-    private String title;  // 动态标题
-
-    @Column(name = "content")
-    private String content;  // 动态内容
-
-    @Column(name = "image_url")
-    private String imageUrl;  // 图片URL
-
-    @Column(name = "time")
-    private Date time;  // 发布动态的时间
-
-    @Column(name = "likes_count")
-    private int likesCount = 0;  // 点赞数
-
-    @Column(name = "comments_count")
-    private int commentsCount = 0;  // 评论数
-
-
-    public Long getDynamicId() {
-        return dynamicId;
-    }
-
-    public void setDynamicId(Long dynamicId) {
-        this.dynamicId = dynamicId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public String getImageUrl() {
-        return imageUrl;
-    }
-
-    public void setImageUrl(String imageUrl) {
-        this.imageUrl = imageUrl;
-    }
-
-    public Date getTime() {
-        return time;
-    }
-
-    public void setTime(Date time) {
-        this.time = time;
-    }
-
-    public int getLikesCount() {
-        return likesCount;
-    }
-
-    public void setLikesCount(int likesCount) {
-        this.likesCount = likesCount;
-    }
-
-    public int getCommentsCount() {
-        return commentsCount;
-    }
-
-    public void setCommentsCount(int commentsCount) {
-        this.commentsCount = commentsCount;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/UserFollow.java b/src/main/java/com/example/myproject/entity/UserFollow.java
deleted file mode 100644
index bfc14f7..0000000
--- a/src/main/java/com/example/myproject/entity/UserFollow.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "follow")
-public class UserFollow {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "record_id")
-    private Long recordId;
-
-    @Column(name = "follower_id")
-    private Long followerId;
-
-    @Column(name = "followed_id")
-    private Long followedId;
-
-    @Column(name = "follow_time")
-    private Date followTime;
-
-    // Getters and Setters
-    public Long getId() {
-        return recordId;
-    }
-
-    public void setId(Long recordId) {
-        this.recordId = recordId;
-    }
-
-    public Long getFollowerId() {
-        return followerId;
-    }
-
-    public void setFollowerId(Long followerId) {
-        this.followerId = followerId;
-    }
-
-    public Long getFollowedId() {
-        return followedId;
-    }
-
-    public void setFollowedId(Long followedId) {
-        this.followedId = followedId;
-    }
-
-    public Date getFollowTime() {
-        return followTime;
-    }
-
-    public void setFollowTime(Date followTime) {
-        this.followTime = followTime;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/UserInviteCode.java b/src/main/java/com/example/myproject/entity/UserInviteCode.java
deleted file mode 100644
index 8343c7e..0000000
--- a/src/main/java/com/example/myproject/entity/UserInviteCode.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.time.LocalDateTime;
-
-@Entity
-@Table(name = "user_invite_code")
-public class UserInviteCode {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "invite_id")
-    private Long inviteId;
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;
-
-    @Column(name = "invite_code", nullable = false, unique = true)
-    private String inviteCode;
-
-    @Column(name = "is_used", nullable = false)
-    private Boolean isUsed = false;
-
-    @Column(name = "created_at", nullable = false)
-    private LocalDateTime createdAt;
-
-    // Getters and Setters
-    public Long getInviteId() {
-        return inviteId;
-    }
-
-    public void setInviteId(Long inviteId) {
-        this.inviteId = inviteId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getInviteCode() {
-        return inviteCode;
-    }
-
-    public void setInviteCode(String inviteCode) {
-        this.inviteCode = inviteCode;
-    }
-
-    public Boolean getIsUsed() {
-        return isUsed;
-    }
-
-    public void setIsUsed(Boolean isUsed) {
-        this.isUsed = isUsed;
-    }
-
-    public LocalDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(LocalDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/UserMessages.java b/src/main/java/com/example/myproject/entity/UserMessages.java
deleted file mode 100644
index ee7e43e..0000000
--- a/src/main/java/com/example/myproject/entity/UserMessages.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "user_messages")
-public class UserMessages {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "message_id")
-    private Long messageId;
-
-    @Column(name = "sender_id")
-    private Long senderId;
-
-    @Column(name = "receiver_id")
-    private Long receiverId;
-
-    @Column(name = "content")
-    private String content;
-
-    @Column(name = "time")
-    private Date time;
-
-
-    public Long getMessageId() {
-        return messageId;
-    }
-
-    public void setMessageId(Long messageId) {
-        this.messageId = messageId;
-    }
-
-    public Long getSenderId() {
-        return senderId;
-    }
-
-    public void setSenderId(Long senderId) {
-        this.senderId = senderId;
-    }
-
-    public Long getReceiverId() {
-        return receiverId;
-    }
-
-    public void setReceiverId(Long receiverId) {
-        this.receiverId = receiverId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public Date getTime() {
-        return time;
-    }
-
-    public void setTime(Date time) {
-        this.time = time;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/UserTaskStatus.java b/src/main/java/com/example/myproject/entity/UserTaskStatus.java
deleted file mode 100644
index a66839d..0000000
--- a/src/main/java/com/example/myproject/entity/UserTaskStatus.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-
-@Entity
-@Table(name = "user_task_status")
-public class UserTaskStatus {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "status_id")
-    private Long statusId;
-
-    @Column(name = "user_id", nullable = false)
-    private Long userId;
-
-    @Column(name = "task_id", nullable = false)
-    private String taskId;
-
-    @Column(name = "current_progress", nullable = false)
-    private Float currentProgress;
-
-    @Column(name = "current_experience", nullable = false)
-    private Integer currentExperience;
-
-    @Column(name = "current_points", nullable = false)
-    private Integer currentPoints;
-
-    @Column(name = "status", nullable = false)
-    private String status;
-
-    @Column(name = "is_reward_claimed", nullable = false)
-    private Boolean isRewardClaimed = false;
-
-    public Long getStatusId() {
-        return statusId;
-    }
-
-    public void setStatusId(Long statusId) {
-        this.statusId = statusId;
-    }
-
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getTaskId() {
-        return taskId;
-    }
-
-    public void setTaskId(String taskId) {
-        this.taskId = taskId;
-    }
-
-    public Float getCurrentProgress() {
-        return currentProgress;
-    }
-
-    public void setCurrentProgress(Float currentProgress) {
-        this.currentProgress = currentProgress;
-    }
-
-    public Integer getCurrentExperience() {
-        return currentExperience;
-    }
-
-    public void setCurrentExperience(Integer currentExperience) {
-        this.currentExperience = currentExperience;
-    }
-
-    public Integer getCurrentPoints() {
-        return currentPoints;
-    }
-
-    public void setCurrentPoints(Integer currentPoints) {
-        this.currentPoints = currentPoints;
-    }
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
-    public Boolean getIsRewardClaimed() {
-        return isRewardClaimed;
-    }
-
-    public void setIsRewardClaimed(Boolean isRewardClaimed) {
-        this.isRewardClaimed = isRewardClaimed;
-    }
-}
diff --git a/src/main/java/com/example/myproject/entity/Users.java b/src/main/java/com/example/myproject/entity/Users.java
deleted file mode 100644
index ebe793f..0000000
--- a/src/main/java/com/example/myproject/entity/Users.java
+++ /dev/null
@@ -1,246 +0,0 @@
-package com.example.myproject.entity;
-
-import javax.persistence.*;
-import java.util.Date;
-
-@Entity
-@Table(name = "user")
-public class Users {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "user_id")
-    private Long userId;
-
-    @Column(name = "username", nullable = false,unique = true)
-    private String username;
-
-    @Column(name = "avatar_url", nullable = true)
-    private String avatarUrl;
-
-    @Column(name = "email", nullable = false)
-    private String email;
-
-    @Column(name = "password", nullable = false)
-    private String password;
-
-    @Column(name = "role", nullable = false)
-    private String role;
-
-    @Column(name = "invite_count")
-    private Integer inviteCount;
-
-    @Column(name = "level", nullable = false)
-    private Long level;
-
-    @Column(name = "upload_count")
-    private Float uploadCount;
-
-    @Column(name = "download_count")
-    private Float downloadCount;
-
-    @Column(name = "share_rate")
-    private Float shareRate;
-
-    @Column(name = "registration_date", nullable = false)
-    private Date registrationDate;
-
-    @Column(name = "last_login_time")
-    private Date lastLoginTime;
-
-    @Column(name = "user_points")
-    private Integer userPoints;
-
-    @Column(name = "is_promo")
-    private Boolean isPromo;
-
-    @Column(name = "current_experience", nullable = false)
-    private Integer currentExperience;  // 当前经验值
-
-    @Column(name = "current_seeding_hours", nullable = false)
-    private Float currentSeedingHours;  // 当前做种时长
-
-
-    @Column(name = "gender", nullable = true)
-    private String gender;  // 性别
-
-    @Column(name = "description", nullable = true)
-    private String description;  // 个人描述
-
-    @Column(name = "hobbies", nullable = true)
-    private String hobbies;
-
-    @Column(name = "registration_time", nullable = false, updatable = false)
-    @Temporal(TemporalType.TIMESTAMP)
-    private Date registrationTime;
-
-    // Getters and Setters
-    public Long getUserId() {
-        return userId;
-    }
-
-    public void setUserId(Long userId) {
-        this.userId = userId;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getAvatarUrl() {
-        return avatarUrl;
-    }
-
-    public void setAvatarUrl(String avatarUrl) {
-        this.avatarUrl = avatarUrl;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public String getRole() {
-        return role;
-    }
-
-    public void setRole(String role) {
-        this.role = role;
-    }
-
-    public Integer getInviteCount() {
-        return inviteCount;
-    }
-
-    public void setInviteCount(Integer inviteCount) {
-        this.inviteCount = inviteCount;
-    }
-
-    public Long getLevel() {
-        return level;
-    }
-
-    public void setLevel(Long level) {
-        this.level = level;
-    }
-
-    public Float getUploadCount() {
-        return uploadCount;
-    }
-
-    public void setUploadCount(Float uploadCount) {
-        this.uploadCount = uploadCount;
-    }
-
-    public Float getDownloadCount() {
-        return downloadCount;
-    }
-
-    public void setDownloadCount(Float downloadCount) {
-        this.downloadCount = downloadCount;
-    }
-
-    public Float getShareRate() {
-        return shareRate;
-    }
-
-    public void setShareRate(Float shareRate) {
-        this.shareRate = shareRate;
-    }
-
-    public Date getRegistrationDate() {
-        return registrationDate;
-    }
-
-    public void setRegistrationDate(Date registrationDate) {
-        this.registrationDate = registrationDate;
-    }
-
-    public Date getLastLoginTime() {
-        return lastLoginTime;
-    }
-
-    public void setLastLoginTime(Date lastLoginTime) {
-        this.lastLoginTime = lastLoginTime;
-    }
-
-    public Integer getUserPoints() {
-        return userPoints;
-    }
-
-    public void setUserPoints(Integer userPoints) {
-        this.userPoints = userPoints;
-    }
-
-    public Boolean getIsPromo() {
-        return isPromo;
-    }
-
-    public void setIsPromo(Boolean isPromo) {
-        this.isPromo = isPromo;
-    }
-
-    public Integer getCurrentExperience() {
-        return currentExperience;
-    }
-
-    public void setCurrentExperience(Integer currentExperience) {
-        this.currentExperience = currentExperience;
-    }
-
-    public Float getCurrentSeedingHours() {
-        return currentSeedingHours;
-    }
-
-    public void setCurrentSeedingHours(Float currentSeedingHours) {
-        this.currentSeedingHours = currentSeedingHours;
-    }
-
-    public String getGender() {
-        return gender;
-    }
-
-    public void setGender(String gender) {
-        this.gender = gender;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-    public String getHobbies() {
-        return hobbies;
-    }
-
-    public void setHobbies(String hobbies) {
-        this.hobbies = hobbies;
-    }
-
-    public Date getRegistrationTime() {
-        return registrationTime;
-    }
-
-    public void setRegistrationTime(Date registrationTime) {
-        this.registrationTime = registrationTime;
-    }
-
-}
diff --git a/src/main/java/com/example/myproject/entity/VerificationToken.java b/src/main/java/com/example/myproject/entity/VerificationToken.java
new file mode 100644
index 0000000..231fd95
--- /dev/null
+++ b/src/main/java/com/example/myproject/entity/VerificationToken.java
@@ -0,0 +1,58 @@
+package com.example.myproject.entity;
+
+import com.baomidou.mybatisplus.annotation.*;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+
+import java.time.Instant;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("verification_token")
+@ApiModel("验证令牌实体类")
+public class VerificationToken {
+
+    @TableId(type = IdType.AUTO)
+    @ApiModelProperty(value = "令牌ID")
+    private Long id;
+
+    @ApiModelProperty(value = "令牌字符串")
+    @TableField("token")
+    private String token;
+
+    @ApiModelProperty(value = "令牌过期日期")
+    @TableField("expiry_date")
+    private Instant expiryDate;
+
+    @ApiModelProperty(value = "用户名")
+    @TableField("username")
+    private String username;
+
+    @ApiModelProperty(value = "电子邮件地址")
+    @TableField("email")
+    private String email;
+
+    @ApiModelProperty(value = "加密后的密码")
+    @TableField("password")
+    private String password;
+
+    public VerificationToken(String token, String username, String email, String password, Instant expiryDate) {
+        this.token = token;
+        this.username = username;
+        this.email = email;
+        this.password = password;
+        this.expiryDate = expiryDate;
+    }
+
+    /**
+     * 检查令牌是否过期
+     * @return true 如果令牌已过期
+     */
+    public boolean isExpired() {
+        return expiryDate.isBefore(Instant.now());
+    }
+}