diff --git a/src/main/java/com/codesdream/ase/model/activity/Activity.java b/src/main/java/com/codesdream/ase/model/activity/Activity.java
new file mode 100644
index 0000000..5dde2b8
--- /dev/null
+++ b/src/main/java/com/codesdream/ase/model/activity/Activity.java
@@ -0,0 +1,174 @@
+package com.codesdream.ase.model.activity;
+
+import com.codesdream.ase.model.permission.User;
+import lombok.Data;
+import org.dom4j.QName;
+import org.hibernate.annotations.CollectionId;
+import org.hibernate.annotations.WhereJoinTable;
+import org.springframework.context.annotation.EnableMBeanExport;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
+@Data
+@Entity
+@Table(name = "activity",
+        indexes = {
+            @Index(name = "act_index1", columnList = "title", unique = true),
+            @Index(name = "act_index2", columnList = "creator")
+        }
+)
+public class Activity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int id;
+
+    //活动标题
+    @Column(nullable = false, unique = true)
+    private String title;
+
+    //创建人
+    @Column(nullable = false)
+    private String creator;
+
+    //活动类型1qa
+    @Column(nullable = false)
+    private String type;
+
+    //活动描述
+    @Column(nullable = true)
+    private String description;
+
+    //自愿参与人列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_volunteer")
+    private Set<User> volunteers;
+
+    //参与人列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_participate",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "participate_id")
+            }
+    )
+    private Set<User> participateGroup;
+
+    //实际参与人列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_participated",
+            joinColumns = {
+                @JoinColumn(name = "act_id" )
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "participated_id")
+            }
+    )
+    private Set<User> participatedGroup;
+
+    //可报名人员列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_sign",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "sign_id")
+            }
+    )
+    private Set<User> signGroup;
+
+    //已报名人员列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_signed",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "signed_id")
+            }
+    )
+    private Set<User> signedGroup;
+
+    //可见人员人员列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_vis",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "vis_id")
+            }
+    )
+    private Set<User> visibleGroup;
+
+    //通知人员列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_inform",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "inform_id")
+            }
+    )
+    private Set<User> informGroup;
+
+    //已通知人员列表
+    @ManyToMany(cascade = CascadeType.ALL)
+    @JoinTable(name = "act_informed",
+            joinColumns = {
+                @JoinColumn(name = "act_id")
+            },
+            inverseJoinColumns = {
+                @JoinColumn(name = "informed_id")
+            }
+    )
+    private Set<User> informedGroup;
+
+    //计划开始时间
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "plan_period")
+    private Period planPeriod;
+
+    //实际开始时间
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "real_period")
+    private Period realPeriod;
+
+    //提前提醒时间
+    @Column(name = "remind_time", nullable = true)
+    private Date remindTime;
+
+    //附件组
+    @ElementCollection(targetClass = java.lang.String.class)
+    private List<String> enclosures;
+
+    //主要负责人
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "chief_manager", nullable = false)
+    private User chiefManager;
+
+    //次要负责人
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "act_id")
+    private List<User> assistManagers;
+
+    //是否开始
+    @JoinColumn(name = "is_on", nullable = false)
+    boolean isOn;
+
+    //是否结束
+    @JoinColumn(name = "is_off", nullable = false)
+    boolean isOff;
+
+    //考勤安排
+    @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "attendance")
+    private Attendance attendance;
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/codesdream/ase/model/activity/Attendance.java b/src/main/java/com/codesdream/ase/model/activity/Attendance.java
new file mode 100644
index 0000000..45c9ce4
--- /dev/null
+++ b/src/main/java/com/codesdream/ase/model/activity/Attendance.java
@@ -0,0 +1,34 @@
+package com.codesdream.ase.model.activity;
+
+import lombok.Data;
+
+import javax.persistence.*;
+import java.util.List;
+import java.util.Set;
+
+@Data
+@Entity
+@Table(name = "attendance")
+public class Attendance {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int id;
+
+    //二维码url
+    @Column(name = "qr_code", nullable = false, unique = true)
+    private String qrCode;
+
+    //是否在线
+    @Column(name = "is_online", nullable = false)
+    private boolean isOnline;
+
+    //打卡时段列表
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy = "attendance")
+    @JoinColumn(name = "a_id")
+    private Set<Period> clockInPeriods;
+
+    //打卡方式，0表示被扫，1表示扫
+    @Column(nullable = false)
+    private boolean means;
+}
diff --git a/src/main/java/com/codesdream/ase/model/activity/Period.java b/src/main/java/com/codesdream/ase/model/activity/Period.java
new file mode 100644
index 0000000..f85d56c
--- /dev/null
+++ b/src/main/java/com/codesdream/ase/model/activity/Period.java
@@ -0,0 +1,30 @@
+package com.codesdream.ase.model.activity;
+
+import lombok.Data;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.Objects;
+
+@Entity
+@Table(name = "period_container")
+@Data
+public class Period {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int id;
+
+    //开始时间
+    @Column(name = "start_time", nullable = false)
+    private Date startTime;
+
+    //结束时间
+    @Column(name = "end_time", nullable = false)
+    private Date endTime;
+
+    //启用状态
+    @Column(name = "enabled", nullable = false)
+    private boolean enabled;
+
+}
diff --git a/src/main/java/com/codesdream/ase/model/permission/Tag.java b/src/main/java/com/codesdream/ase/model/permission/Tag.java
index 8fc4609..3160940 100644
--- a/src/main/java/com/codesdream/ase/model/permission/Tag.java
+++ b/src/main/java/com/codesdream/ase/model/permission/Tag.java
@@ -4,7 +4,6 @@ import lombok.Data;
 import org.hibernate.annotations.ManyToAny;
 
 import javax.persistence.*;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Set;