diff --git a/src/main/java/com/example/springdemo/entities/RBAC/Permissions.java b/src/main/java/com/example/springdemo/entities/RBAC/Permissions.java
new file mode 100644
index 0000000..c1bd580
--- /dev/null
+++ b/src/main/java/com/example/springdemo/entities/RBAC/Permissions.java
@@ -0,0 +1,17 @@
+package com.example.springdemo.entities.RBAC;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@Entity
+@Table(name = "Permissions")
+public class Permissions {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;//主键，权限ID
+    @Column(name = "description")
+    private String description;//权限名称
+}
diff --git a/src/main/java/com/example/springdemo/entities/RBAC/Roles.java b/src/main/java/com/example/springdemo/entities/RBAC/Roles.java
new file mode 100644
index 0000000..fd52d2f
--- /dev/null
+++ b/src/main/java/com/example/springdemo/entities/RBAC/Roles.java
@@ -0,0 +1,16 @@
+package com.example.springdemo.entities.RBAC;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@Entity
+@Table(name = "Roles")
+public class Roles {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;//主键，角色ID
+    private String name;//角色名称
+}
diff --git a/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java b/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java
new file mode 100644
index 0000000..2e33a23
--- /dev/null
+++ b/src/main/java/com/example/springdemo/entities/RBAC/RolesPermissions.java
@@ -0,0 +1,21 @@
+package com.example.springdemo.entities.RBAC;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@Entity
+@Table(name = "RolesPermissions")
+public class RolesPermissions {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;//主键，角色权限ID
+    @OneToOne
+    @JoinColumn(name = "RolesID", referencedColumnName = "id")
+    private Roles roles;//角色ID
+    @OneToOne
+    @JoinColumn(name = "PermissionsID", referencedColumnName = "id")
+    private Permissions permissions;//权限ID
+}
diff --git a/src/main/java/com/example/springdemo/entities/password/MerchantsPassword.java b/src/main/java/com/example/springdemo/entities/password/MerchantsPassword.java
new file mode 100644
index 0000000..317f53c
--- /dev/null
+++ b/src/main/java/com/example/springdemo/entities/password/MerchantsPassword.java
@@ -0,0 +1,19 @@
+package com.example.springdemo.entities.password;
+
+import com.example.springdemo.entities.Merchants;
+import jakarta.persistence.*;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@Entity
+@Table(name = "MerchantsPassword")
+public class MerchantsPassword {
+    @Id
+    @OneToOne
+    @Column(name = "merchantID")
+    @JoinColumn(name = "merchantID", referencedColumnName = "id")
+    private Merchants merchants;
+    private String password;
+}
diff --git a/src/main/java/com/example/springdemo/entities/password/UsersPassword.java b/src/main/java/com/example/springdemo/entities/password/UsersPassword.java
new file mode 100644
index 0000000..8d03d24
--- /dev/null
+++ b/src/main/java/com/example/springdemo/entities/password/UsersPassword.java
@@ -0,0 +1,19 @@
+package com.example.springdemo.entities.password;
+
+import com.example.springdemo.entities.Users;
+import jakarta.persistence.*;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@Entity
+@Table(name = "UsersPassword")
+public class UsersPassword {
+    @Id
+    @OneToOne
+    @Column(name = "userID")
+    @JoinColumn(name = "userID", referencedColumnName = "id")
+    private Users users;
+    private String password;
+}